Includes bibliographical references and index.

Abdominal ultrasound -- Abdominal wall defects -- Abortion, partial birth -- Abortion, selective -- Abortion, therapeutic -- Abscess -- Abscess incision and drainage -- Abuse -- Acetaminophen -- Achalasia -- Achondroplasia -- Acid phosphatase test -- Acne -- Acoustic neuroma -- Acrocyanosis -- Acromegaly and gigantism -- Actinomycosis -- Acupressure -- Acupuncture -- Acute kidney failure -- Acute lymphangitis -- Acute poststreptococcal glomerulonephritis -- Acute stress disorder -- Addiction -- Addison's disease -- Adenoid hyperplasia -- Adenovirus infections -- Adhesions -- Adjustment disorders -- Admission to the hospital -- Adolescent nutrition -- Adrenal gland cancer -- Adrenal gland scan -- Adrenal virilism -- Adrenalectomy -- Adrenocorticotropic hormone test -- Adrenoleukodystrophy -- Adult day care -- Adult nutrition -- Adult respiratory distress syndrome -- Advance directives -- Aging -- Agoraphobia -- Aids -- Alagille syndrome -- Alanine aminotransferase test -- Albinism -- Alcohol-related neurologic disease -- Alcoholism -- Aldolase test -- Aldosterone assay -- Alexander technique -- Alkaline phosphatase test -- Allergic purpura -- Allergic rhinitis -- Allergies -- Allergy tests -- Alopecia -- Alpha1-adrenergic blockers -- Alpha-fetoprotein (AFP) test -- Alport syndrome -- Altitude sickness -- Alzheimer's disease -- Amblyopia -- Amebiasis -- Amenorrhea -- Amino acid disorders screening -- Aminoglycosides -- Amnesia -- Amniocentesis -- Amputation -- Amylase tests -- Amyloidosis -- Amyotrophic lateral sclerosis -- Anabolic steroid use -- Anaerobic infections -- Anal atresia -- Anal cancer -- Anal warts -- Analgesics -- Analgesics, opioid -- Anaphylaxis -- Anatomy -- Anemias -- Anesthesia -- Aneurysmectomy -- Anger management -- Angina -- Angiography -- Angioplasty -- Angiotensin-converting enzyme inhibitors -- Angiotensin-converting enzyme test -- Animal bite infections -- Ankylosing spondylitis -- Anorectal disorders -- Anorexia nervosa -- Anoscopy -- Anosmia -- Anoxia -- Antacids -- Antenatal testing -- Antepartum testing -- Anthrax -- Antiacne drugs -- Anti-aging diet -- Antiandrogen drugs -- Antianemia drugs -- Antiangina drugs -- Antiangiogenic therapy -- Antianxiety drugs -- Antiarrhythmic drugs -- Antiasthmatic drugs -- Antibiotic resistance -- Antibiotic-associated colitis -- Antibiotics -- Antibiotics, ophthalmic -- Antibiotics, topical -- Anti cancer diet -- Anticancer drugs -- Anticoagulant and antiplatelet drugs -- Anticonvulsant drugs -- Antidepressant drugs -- Antidepressant drugs, ssri -- Antidepressant drugs, tricyclic -- Antidiarrheal drugs -- Antidiuretic hormone (ADH) test -- Antiemetics -- Antifungal drugs, systemic -- Antifungal drugs, topical -- Antigas agents -- Antigastroesophageal reflux drugs -- Antihelminthic drugs -- Antihemorrhoid drugs -- Antihistamines -- Antihypertensive drugs -- Anti hyperuricemic drugs -- Anti-inflammatory diets -- Anti-insomnia drugs -- Anti-itch drugs -- Antimalarial drugs -- Antimigraine drugs -- Antimyocardial antibody test -- Antinausea drugs -- Antinuclear antibody test -- Antioxidants -- Antiparkinson drugs -- Antiprotozoal drugs -- Antipsychotic drugs -- Antipsychotic drugs, atypical -- Anti-rejection drugs -- Antiretroviral drugs -- Antirheumatic drugs -- Antiseptics -- Antispasmodic drugs -- Antituberculosis drugs -- Antiulcer drugs -- Antiviral drugs -- Anxiety -- Anxiety disorders -- Aortic aneurysm -- Aortic aneurysm repair -- Aortic dissection -- Aortic valve insufficiency -- Aortic valve replacement -- Aortic valve stenosis -- Apgar testing -- Aphasia -- Aplastic anemia -- Appendectomy -- Appendicitis -- Appetite stimulant drugs -- Appetite suppressant drugs -- Apraxia -- Aromatherapy -- Arrhythmias -- Art therapy -- Arterial embolism -- Arteriovenous fistula -- Arteriovenous malformations -- Arthrography -- Arthroplasty -- Arthroscopic surgery -- Arthroscopy -- Asbestosis -- Ascites -- Aspartate aminotransferase test -- Asperger syndrome -- Aspergillosis -- Aspirin -- Asthma -- Astigmatism -- Aston-patterning -- Ataxia-telangiectasia -- Atelectasis -- Atherectomy -- Atherosclerosis -- Athlete's foot -- Athletic heart syndrome -- Atopic dermatitis -- Atrial ectopic beats -- Atrial fibrillation and flutter -- Atrial septal defect -- Attention deficit hyperactivity disorder (ADHD) -- Audiometry -- Auditory integration training -- Autism -- Autoimmune disorders -- Autopsy -- Avian flu -- Aviation medicine -- Ayurvedic medicine -- Babesiosis -- Bacillary angiomatosis -- Bacteremia -- Bacterial vaginosis -- Bad breath -- Balance and coordination tests -- Balanitis -- Balantidiasis -- Balloon valvuloplasty -- Bandages and dressings -- Barbiturate-induced coma -- Barbiturates -- Bariatric surgery -- Barium enema -- Bartholin's gland cyst -- Bartonellosis -- Basal cell carcinoma -- Battered child syndrome -- Baylisascaris -- Bedbug infestation -- Bedsores -- Bedwetting -- Behcet's syndrome -- Bejel -- Bell's palsy -- Bence jones protein test -- Bender-gestalt test -- Benzodiazepines -- Bereavement -- Beriberi -- Berylliosis -- Beta blockers -- Beta2-microglobulin test -- Bile duct cancer -- Biliary atresia -- Binge drinking -- Binge eating disorder --

Biochemistry -- Bioelectric therapy -- Biofeedback -- Biomedical engineering -- Bipolar disorder -- Birth defects -- Birthmarks -- Bites and stings -- Black lung disease -- Bladder cancer -- Bladder stones -- Bladder training -- Blastomycosis -- Bleeding time -- Bleeding varices -- Blepharoplasty -- Blood clots -- Blood culture -- Blood donation and registry -- Blood gas analysis -- Blood sugar tests -- Blood typing and crossmatching -- Blood urea nitrogen test -- Blood-viscosity reducing drugs -- Body dysmorphic disorder -- Body image -- Body mass index -- Boils -- Bone biopsy -- Bone cancer -- Bone density test -- Bone disorder drugs -- Bone grafting -- Bone growth stimulation -- Bone marrow aspiration and biopsy -- Bone marrow transplantation -- Bone sarcoma -- Bone scan -- Bone x rays -- Borderline personality disorder -- Botulinum toxin injections -- Botulism -- Bowel preparation -- Bowel resection -- Bowel training -- Brachytherapy -- Brain abscess -- Brain biopsy -- Brain tumor -- Breast biopsy -- Breast cancer -- Breast implants -- Breast reconstruction -- Breast reduction -- Breast self-examination -- Breast ultrasound -- Breastfeeding -- Breastfeeding problems -- Breech birth -- Bronchiectasis -- Bronchiolitis -- Bronchitis -- Bronchodilators -- Bronchoscopy -- Brucellosis -- Bruises -- Bruxism -- Budd-chiari syndrome -- Buerger's disease -- Bulimia nervosa -- Bundle branch block -- Bunion -- Burns -- Bursitis -- Byssinosis -- Caffeine -- Calcium -- Calcium channel blockers -- Campylobacteriosis -- Cancer -- Cancer markers -- Cancer screening guidelines -- Cancer staging -- Cancer survivorship issues -- Cancer therapy, curative intent -- Cancer therapy, palliative -- Cancer therapy, supportive -- Cancer vaccines -- Candidiasis -- Canker sores -- Carbohydrate intolerance -- Carbon monoxide poisoning -- Carcinoembryonic antigen test -- Carcinogens -- Cardiac catheterization -- Cardiac rehabilitation -- Cardiac tamponade -- Cardiomyopathy -- Cardiopulmonary resuscitation -- Cardioversion -- Carotid sinus massage -- Carpal tunnel syndrome -- Cataract surgery -- Cataracts -- Catatonia -- Catecholamines tests -- Catheter ablation -- Cat-scratch disease -- Celiac disease -- Cell therapy -- Cellulitis -- Central nervous system depressants -- Central nervous system infections -- Central nervous system stimulants -- Central sleep apnea -- Cephalosporins -- Cerebral amyloid angiopathy -- Cerebral aneurysm -- Cerebral palsy -- Cerebrospinal fluid (CSF) analysis -- Cerumen impaction -- Cervical cancer -- Cervical conization -- Cervical disk disease -- Cervical spondylosis -- Cervicitis -- Cesarean section -- Chagas' disease -- Chancroid -- Charcoal, activated -- Charcot marie tooth disease -- Charcot's joints -- Chelation therapy -- Chemistry screen -- Chemonucleolysis -- Chemotherapy -- Chest drainage therapy -- Chest physical therapy -- Chest x ray -- Chickenpox -- Chikungunya -- Child abuse -- Childbirth -- Childhood nutrition -- Childhood obesity -- Children's health -- Chiropractic -- Chlamydial pneumonia -- Choking -- Cholangitis -- Cholecystectomy -- Cholecystitis -- Cholera -- Cholestasis -- Cholesterol -- Cholesterol and triglyceride tests -- Cholesterol-reducing drugs -- Cholinergic drugs -- Chondromalacia patellae -- Choriocarcinoma -- Chorionic villus sampling -- Chronic fatigue syndrome -- Chronic granulomatous disease -- Chronic kidney failure -- Chronic obstructive pulmonary disease -- Circumcision -- Cirrhosis -- Cleft lip and palate -- Clenched fist injury -- Club drugs -- Clubfoot -- Cluster headache -- Coagulation disorders -- Coarctation of the aorta -- Cocaine and related disorders -- Coccidioidomycosis -- Coccyx injuries -- Cochlear implants -- Cognitive-behavioral therapy -- Cold agglutinins test -- Cold sores -- Colic -- Colitis -- Colon cancer -- Colonic irrigation -- Colonoscopy -- Color blindness -- Colostomy -- Colposcopy -- Coma -- Common cold -- Common variable immunodeficiency -- Compartment syndrome -- Complement deficiencies -- Complete blood count -- Computed tomography scans -- Concierge medicine -- Concussion -- Condoms -- Conduct disorder -- Congenital adrenal hyperplasia -- Congenital amputation -- Congenital bladder anomalies -- Congenital brain defects -- Congenital heart disease -- Congenital hip dysplasia -- Congenital lobar emphysema -- Congenital ureter anomalies -- Congestive cardiomyopathy -- Congestive heart failure -- Conjunctivitis -- Constipation -- Contact dermatitis -- Contraception -- Contractures -- Cooling treatments -- Coombs' tests -- Cor pulmonale -- Corneal abrasion -- Corneal transplantation -- Corneal ulcers -- Corns and calluses -- Coronary artery bypass graft surgery -- Coronary artery disease -- Coronary stenting -- Corticosteroids -- Corticosteroids, dermatologic -- Corticosteroids, inhaled -- Corticosteroids, systemic -- Cortisol tests -- Cosmetic dentistry -- Costochondritis -- Cough -- Cough suppressants -- Couvade syndrome -- Cox-2 inhibitors -- Craniopharyngioma -- Craniosacral therapy -- Craniotomy -- C-reactive protein -- Creatine kinase test -- Creatinine test -- Creutzfeldt-Jakob disease -- Cri du chat syndrome -- Crohn's disease -- Croup -- Cryoglobulin test -- Cryotherapy -- Cryptococcosis -- Cryptosporidiosis -- Ct-guided biopsy -- Culture-fair test -- Cushing's syndrome -- Cutaneous larva migrans -- Cutaneous t-cell lymphoma -- Cutis laxa -- Cyanosis -- Cyclic vomiting syndrome -- Cyclosporiasis -- Cystectomy -- Cystic fibrosis -- Cystinuria -- Cystitis -- Cystometry -- Cystoscopy -- Cytology -- Cytomegalovirus antibody screening test -- Cytomegalovirus infection --

Dacryocystitis -- Dash diet -- Death and dying -- Debridement -- Decompression sickness -- Decongestants -- Deep vein thrombosis -- Defibrillation -- Dehydration -- Delayed hypersensitivity skin test -- Delirium -- Delusions -- Dementia -- Dengue fever -- Dental erosion -- Dental fillings -- Dental implants and restoration -- Dental sealants -- Dental trauma -- Dental x rays -- Depo-Provera/norplant -- Depressive disorders -- Dermatitis -- Dermatomyositis -- Des exposure -- Detoxification -- Detoxification diets -- Deviated septum -- Diabetes insipidus -- Diabetes mellitus -- Diabetic foot infections -- Diabetic ketoacidosis -- Diabetic neuropathy -- Diaper rash -- Diaphragm (birth control) -- Diarrhea -- Diet and disease prevention -- Dietary guidelines -- Diets -- DiGeorge syndrome -- Digital rectal examination -- Digoxin -- Dilatation and curettage -- Diphtheria -- Discharge from the hospital -- Discoid lupus erythematosus -- Disk removal -- Dislocations and subluxations -- Dissociative disorders -- Distal pancreatectomy -- Diuretics -- Diverticulosis and diverticulitis -- Dizziness -- Do not resuscitate (DNR) order -- Doppler ultrasonography -- Down syndrome -- Drowning -- Drug metabolism/interactions -- Drug overdose -- Drug therapy monitoring -- Drugs used in labor -- Dry mouth -- Dukan diet -- Duodenal obstruction -- Dysentery -- Dysfunctional uterine bleeding -- Dyslexia -- Dysmenorrhea -- Dyspareunia -- Dyspepsia -- Dysphasia -- E-cigarettes -- Ear exam with an otoscope -- Ear, nose, and throat surgery -- Ear surgery -- Eating disorders -- Ebola -- Echinacea -- Echinococcosis -- Echocardiography -- Ectopic pregnancy -- Eczema -- Edema -- Edwards' syndrome -- Ehlers-Danlos syndrome -- Ehrlichiosis -- Elder abuse -- Electric shock injuries -- Electrical nerve stimulation -- Electrical stimulation of the brain -- Electrocardiography -- Electroconvulsive therapy -- Electroencephalography -- Electrolyte disorders -- Electrolyte supplements -- Electrolyte tests -- Electromyography -- Electronic fetal monitoring -- Electrophysiology study of the heart -- Elephantiasis -- Embolism -- Emergency contraception -- Emerging diseases -- Emphysema -- Empyema -- Encephalitis -- Encephalopathy -- Encopresis -- Endarterectomy -- Endocarditis -- Endometrial biopsy -- Endometrial cancer -- Endometriosis -- Endorectal ultrasound -- Endoscopic retrograde cholangiopancreatography -- Endoscopic sphincterotomy -- Endoscopic ultrasound -- Endoscopy -- Enemas -- Energy drinks -- Enhanced external counterpulsation -- Enlarged prostate -- Enterobacterial infections -- Enterobiasis -- Enterostomy -- Enterovirus infections -- Environmental health -- Enzyme therapy -- Eosinophilic pneumonia -- Epidemiology -- Epidermolysis bullosa -- Epididymitis -- Epidural therapy -- Epiglottitis -- Epilepsy -- Episiotomy -- Epstein-Barr virus -- Epstein-Barr virus test -- Erectile dysfunction -- Erectile dysfunction treatment -- Erysipelas -- Erythema multiforme -- Erythema nodosum -- Erythroblastosis fetalis -- Erythrocyte sedimentation rate -- Erythromycins and macrolide antibiotics -- Erythropoietin test -- Escherichia coli -- Esophageal atresia -- Esophageal cancer -- Esophageal disorders -- Esophageal function tests -- Esophageal pouches -- Esophageal spasm -- Esophagogastroduodenoscopy -- Evidence-based practice -- Evoked potential studies -- Exercise -- Exophthalmos -- Expectorants -- External sphincter electromyography -- Extracorporeal membrane oxygenation -- Eye and orbit ultrasounds -- Eye cancer -- Eye examination -- Eye muscle surgery -- Eyeglasses and contact lenses -- Eyelid disorders -- Face lift -- Face transplantation -- Factitious disorders -- Failure to thrive -- Fainting -- Familial Mediterranean fever -- Familial polyposis -- Family therapy -- Fanconi's syndrome -- Fasciotomy -- Fasting -- Fatigue -- Fatty liver -- Fecal incontinence -- Fecal occult blood test -- Fecal transplant -- Feldenkrais method -- Female genital mutilation -- Female orgasmic disorder -- Female sexual arousal disorder -- Fetal alcohol syndrome -- Fetal hemoglobin test -- Fetal surgery -- Fever -- Fever evaluation tests -- Fever of unknown origin -- Fibrin split products -- Fibrinogen test -- Fibroadenoma -- Fibrocystic condition of the breast -- Fibromyalgia -- Fibrosis -- Fifth disease -- Filariasis -- Finasteride -- Fingertip injuries -- First aid -- Fish and shellfish poisoning -- Fistula -- Flea-borne disease -- Flesh-eating disease -- Flower remedies -- Fluke infections -- Fluoroquinolones -- Folate -- Folic acid -- Folic acid deficiency anemia -- Follicle-stimulating hormone test -- Folliculitis -- Food allergies -- Food poisoning -- Foot care -- Foreign objects -- Forensic medicine -- Fracture repair -- Fractures -- Fragile x syndrome -- Friedreich's ataxia -- Frostbite and frostnip -- Fugu poisoning -- Functional endoscopic sinus surgery -- Fungal infections --

Galactorrhea -- Galactosemia -- Gallbladder cancer -- Gallbladder nuclear medicine scan -- Gallbladder x rays -- Gallium scan -- Gallstone removal -- Gallstones -- Gambling disorder -- Gamma globulin -- Gamma knife surgery -- Ganglion -- Gangrene -- Gas embolism -- Gastrectomy -- Gastric acid determination -- Gastric bypass -- Gastric emptying scan -- Gastrinoma -- Gastritis -- Gastroenteritis -- Gastroesophageal reflux disease -- Gastrostomy -- Gaucher disease -- Gender dysphoria -- Gender issues in mental health -- Gene therapy -- General adaptation syndrome -- General surgery -- Generalized anxiety disorder -- Genetic counseling -- Genetic testing -- Genital herpes -- Genital warts -- Germ cell tumors -- Gerontology -- Gestalt therapy -- Gestational diabetes -- GI bleeding studies -- Giardiasis -- Ginkgo biloba -- Ginseng -- Glaucoma -- Gleason score -- Glomerulonephritis -- Glucose-6-phosphate dehydrogenase deficiency -- Gluten-free diet -- Glycogen storage diseases -- Glycosylated hemoglobin test -- Goiter -- Gonorrhea -- Goodpasture's syndrome -- Gout -- Gout drugs -- Graft-vs -- -host disease -- Granuloma inguinale -- Grief counseling -- Group therapy -- Growth hormone tests -- Guided imagery -- Guillain-Barre syndrome -- Guinea worm infection -- Gulf war syndrome -- Gynecomastia -- H1n1 influenza a -- H-2 blockers -- Hair transplantation -- Hairy cell leukemia -- Hallucinations -- Hammertoe -- Hand-foot-and-mouth disease -- Hantavirus infections -- Haptoglobin test -- Hartnup disease -- Hatha yoga -- Head and neck cancer -- Head injury -- Headache -- Health care proxy -- Health history -- Hearing aids -- Hearing loss -- Heart attack -- Heart block -- Heart disease -- Heart failure -- Heart murmurs -- Heart surgery for congenital defects -- Heart transplantation -- Heart valve repair -- Heart valve replacement -- Heartburn -- Heartland virus -- Heat disorders -- Heat treatments -- Heavy metal poisoning -- Heel spurs -- Heimlich maneuver -- Helicobacteriosis -- Hellerwork -- Hematocrit -- Hemochromatosis -- Hemoglobin electrophoresis -- Hemoglobin test -- Hemoglobinopathies -- Hemolytic anemia -- Hemolytic-uremic syndrome -- Hemophilia -- Hemophilus infections -- Hemoptysis -- Hemorrhagic fevers -- Hemorrhoids -- Hepatitis a -- Hepatitis, alcoholic -- Hepatitis, autoimmune -- Hepatitis B -- Hepatitis C -- Hepatitis D -- Hepatitis, drug-induced -- Hepatitis E -- Hepatitis virus tests -- Herbalism, traditional Chinese -- Herbalism, Western -- Hereditary fructose intolerance -- Hereditary hemorrhagic telangiectasia -- Hernia -- Hernia repair -- Herniated disk -- Hiatal hernia -- Hiccups -- High-density lipoproteins (HDL) -- High-risk pregnancy -- Hip replacement -- Hirschsprung's disease -- Hirsutism -- Histiocytosis x -- Histoplasmosis -- HIV and aids tests -- Hives -- Hodgkin's lymphoma -- Holistic medicine -- Holter monitoring -- Holtzman ink blot test -- Home care -- Homeopathic medicine -- Homocysteine -- Hookworm disease -- Hormone replacement therapy -- Hospice -- Hospital-acquired infections -- HPV vaccination -- Human bite wounds -- Human chorionic gonadotropin (hHCG) pregnancy test -- Human leukocyte antigen (HLA) test -- Human papillomavirus -- Human-potential movement -- Hunger and undernutrition -- Huntington's disease -- Hydatidiform mole -- Hydrocelectomy -- Hydrocephalus -- Hydronephrosis -- Hydrotherapy -- Hyperaldosteronism -- Hyperbaric oxygen therapy -- Hypercalcemia -- Hypercholesterolemia -- Hypercoagulation disorders -- Hyperemesis gravidarum -- Hyperglycemia -- Hyperhidrosis -- Hyperkalemia -- Hyperlipoproteinemia -- Hypernatremia -- Hyperopia -- Hyperparathyroidism -- Hyperpigmentation -- Hypersensitivity pneumonitis -- Hypersplenism -- Hypertension -- Hyperthyroidism -- Hypertrophic cardiomyopathy -- Hyphema -- Hypnotherapy -- Hypoactive sexual desire disorder -- Hypocalcemia -- Hypochondriasis -- Hypoglycemia -- Hypogonadism -- Hypokalemia -- Hypolipoproteinemia -- Hyponatremia -- Hypoparathyroidism -- Hypophysectomy -- Hypopituitarism -- Hypospadias and epispadias -- Hypotension -- Hypothermia -- Hypothyroidism -- Hypotonic duodenography -- Hysterectomy -- Hysteria -- Hysterosalpingography -- Hysteroscopy -- Hysterosonography -- Ichthyosis -- Idiopathic thrombocytopenic purpura -- Ileal conduit surgery -- Ileus -- Immobilization -- Immune complex test -- Immunodeficiency -- Immunoelectrophoresis -- Immunoglobulin deficiency syndromes -- Immunologic therapies -- Immunosuppressant drugs -- Immunosuppression -- Impacted tooth -- Impedance phlebography -- Impetigo -- Implantable cardioverter defibrillator -- Impotence -- Impulse control disorders -- In vitro fertilization -- Inclusion conjunctivitis -- Incompetent cervix -- Indigestion -- Indium scan of the body -- Induction of labor -- Infant massage -- Infection control -- Infectious arthritis -- Infectious disease -- Infectious mononucleosis -- Infertility -- Infertility drugs -- Infertility therapies -- Influenza -- Influenza vaccination -- Inhalants and related disorders -- Inhalation therapies -- Insecticide poisoning -- Insomnia -- Insulin resistance -- Integrative medicine -- Intellectual disability -- Intermittent claudication -- Intermittent explosive disorder -- Intermittent fasting -- Internet addiction disorder -- Intersex states -- Interstitial microwave thermal therapy -- Intestinal obstructions -- Intestinal polyps -- Intrauterine device -- Intrauterine growth retardation -- Intravenous rehydration -- Intravenous urography -- Intussusception -- Ipecac -- Iron deficiency anemia -- Iron tests -- Irritable bowel syndrome -- Ischemia -- Isolation -- Itching --

Japanese encephalitis -- Jaundice -- Jaw wiring -- Jet lag -- Jock itch -- Joint biopsy -- Joint fluid analysis -- Juvenile arthritis -- K-2 synthetic marajuana (spice) -- Kaposi's sarcoma -- Kawasaki syndrome -- Keloids -- Keratitis -- Keratosis pilaris -- Kidney biopsy -- Kidney cancer -- Kidney dialysis -- Kidney disease -- Kidney function tests -- Kidney nuclear medicine scan -- Kidney stones -- Kidney transplantation -- Kidney, ureter, and bladder x-ray study -- Kinesiology, applied -- Klebsiella -- Klinefelter syndrome -- Knee injuries -- Knee replacement -- Kneecap removal -- KOH test -- Korsakoff's syndrome -- Kyphosis -- Labyrinthitis -- Laceration repair -- Lacrimal duct obstruction -- Lactate dehydrogenase isoenzymes test -- Lactate dehydrogenase test -- Lactation -- Lactic acid test -- Lactose intolerance -- Laminectomy -- Laparoscopy -- Laryngeal cancer -- Laryngectomy -- Laryngitis -- Laryngoscopy -- Laser-assisted in situ keratomileusis (Lasik) -- Laser skin resurfacing -- Laser surgery -- Late effects of childhood cancer and its treatment -- Latex allergy -- Laxatives -- Lead poisoning -- Learning disorders -- Leeches -- Legionnaires' disease -- Leishmaniasis -- Leprosy -- Leptospirosis -- Lesch-Nyhan syndrome -- Leukemia stains -- Leukemias, acute -- Leukemias, chronic -- Leukocytosis -- Leukotriene inhibitors -- LGBT health -- Lice infestation -- Lichen planus -- Lichen simplex chronicus -- Life support -- Light therapy -- Lipase test -- Lipidoses -- Lipoproteins test -- Liposuction -- Listeria infections -- Listeriosis -- Lithotripsy -- Liver biopsy -- Liver cancer -- Liver disease -- Liver encephalopathy -- Liver function tests -- Liver nuclear medicine scan -- Liver transplantation -- Lobectomy -- Low back pain -- Low-carbohydrate diets -- Low-density lipoproteins (LDL) -- Low sugar diet -- Low testosterone -- Lower esophageal ring -- Lumbar puncture -- Lumpectomy -- Lung abscess -- Lung biopsy -- Lung cancer, non-small cell -- Lung cancer, small cell -- Lung diseases due to gas or chemical exposure -- Lung perfusion and ventilation scan -- Lung surgery -- Lung transplantation -- Luteinizing hormone test -- Lyme disease -- Lymph node biopsy -- Lymphadenitis -- Lymphangiography -- Lymphedema -- Lymphocyte typing -- Lymphocytic choriomeningitis -- Lymphocytopenia -- Lymphogranuloma venereum -- Lysergic acid diethylamide (LSD) -- Macular degeneration -- Magnesium imbalance -- Magnetic field therapy -- Magnetic resonance imaging -- Major neurocognitive disorder -- Malabsorption syndrome -- Malaria -- Malignant hyperthermia -- Malingering -- Mallet finger -- Mallory-Weiss syndrome -- Malnutrition -- Malocclusion -- Malt lymphoma -- Mammography -- Mania -- Mantle cell lymphoma -- Marfan syndrome -- Marijuana -- Marriage counseling -- Marshall-Marchetti-Krantz procedure -- Massage therapy -- Mastectomy -- Mastitis -- Mastocytosis -- Mastoidectomy -- Mastoiditis -- Maternal obesity -- Maxillofacial trauma -- Measles -- Meckel's diverticulum -- Mediastinoscopy -- Meditation -- Mediterranean diet -- Medullary sponge kidney -- Melanoma -- Melioidosis -- Memory loss -- M�ni�re's disease -- Meningitis -- Meningococcemia -- Menopause -- Men's health -- Men's nutrition -- Menstrual disorders -- Mental health hold -- Mental status examination -- Mercury poisoning -- Mesothelioma -- Metabolic acidosis -- Metabolic alkalosis -- Methadone -- Methamphetamine -- Methemoglobinemia -- Microbiology -- Microbiome -- Microphthalmia and anophthalmia -- Microsurgery -- Middle east respiratory syndrome -- Mifepristone -- Migraine headache -- Military medicine -- Military mental health -- Mineral deficiency -- Mineral toxicity -- Minerals -- Minimally invasive surgery -- Minnesota multiphasic personality inventory (mmpi-2) -- Minority health -- Minoxidil -- Miscarriage -- Mitral valve insufficiency -- Mitral valve prolapse -- Mitral valve stenosis -- Modified radical mastectomy -- Moles -- Monkeypox -- Monoamine oxidase inhibitors -- Monoclonal antibodies -- Mood disorders -- Mosquito-borne disease -- Motion sickness -- Movement disorders -- Movement therapy -- MRSA infections -- Mucopolysaccharidoses -- Mucormycosis -- Multiple-gated acquisition (MUGA) scan -- Multiple chemical sensitivity -- Multiple endocrine neoplasia syndromes -- Multiple marker test -- Multiple myeloma -- Multiple personality disorder -- Multiple pregnancy -- Multiple sclerosis -- Mumps -- Munchausen syndrome -- Muscle relaxants -- Muscle spasms and cramps -- Muscular dystrophy -- Mushroom poisoning -- Music therapy -- Mutism -- Myasthenia gravis -- Mycetoma -- Mycobacterial infections, atypical -- Mycoplasma infections -- Myelodysplastic syndrome -- Myelofibrosis -- Myelography -- Myers-Briggs type indicator -- Myocardial biopsy -- Myocardial resection -- Myocarditis -- Myoglobin test -- Myomectomy -- Myopathies -- Myopia -- Myositis -- Myotonic dystrophy -- Myringotomy and ear tubes -- Myxoma --

Nail fungus -- Nail-patella syndrome -- Nail removal -- Narcolepsy -- Narcotics -- Nasal irrigation -- Nasal packing -- Nasal papillomas -- Nasal polyps -- Nasal trauma -- Nasogastric (ng) tube -- Nasopharyngeal culture -- Naturopathic medicine -- Nausea and vomiting -- Necrotizing enterocolitis -- Neonatal care -- Neonatal jaundice -- Nephrectomy -- Nephritis -- Nephrotic syndrome -- Nephrotoxic injury -- Neuralgia -- Neuroblastoma -- Neuroendocrine tumors -- Neurofibromatosis -- Neurogenic bladder -- Neurolinguistic programming -- Neurological exam -- Neuropsychological testing -- Neurosurgery -- Neutropenia -- Nicotine and related disorders -- Night terrors -- Nipah -- Nitrogen narcosis -- Nocardiosis -- Non-nucleoside reverse transcriptase inhibitors -- Nongonococcal urethritis -- Nonsteroidal anti-inflammatory drugs -- Noroviruses -- Nosebleed -- Numbness and tingling -- Nutrition -- Nutrition and mental health -- Nutritional supplements -- Nystagmus -- Obesity -- Obesity and surgery -- Obsessive-compulsive disorder -- Obstetric and gynecologic surgery -- Obstetrical emergencies -- Occupational therapy -- Oil spills: health effects -- Oligomenorrhea -- Omega-3 and omega-6 fatty acids -- Onychomycosis -- Oophorectomy -- Ophthalmoplegia -- Oppositional defiant disorder -- Optic atrophy -- Optic neuritis -- Oral contraceptives -- Oral hygiene -- Orbital and periorbital cellulitis -- Orchiopexy -- Orchitis -- Organ donation -- Organic food -- Orthodontics -- Orthopedic surgery -- Orthostatic hypotension -- Osteoarthritis -- Osteochondroses -- Osteogenesis imperfecta -- Osteomyelitis -- Osteopathy -- Osteopetroses -- Osteoporosis -- Ostomy -- Otitis externa -- Otitis media -- Otosclerosis -- Ototoxicity -- Ovarian cancer -- Ovarian cysts -- Ovarian torsion -- Overactive bladder -- Overhydration -- Oxygen therapy -- Pacemakers -- Paget's disease of bone -- Paget's disease of the breast -- Pain -- Pain management -- Paleo diet -- Palliative care -- Palpitations -- Pancreas transplantation -- Pancreatectomy -- Pancreatic cancer, endocrine -- Pancreatic cancer, exocrine -- Pancreatitis -- Panic disorder -- Pap test -- Papilledema -- Paracentesis -- Paralysis -- Paranoia -- Parathyroid hormone test -- Parathyroid scan -- Parathyroidectomy -- Paratyphoid fever -- Parentage testing -- Parenteral nutrition -- Parkinson's disease -- Parotidectomy -- Paroxysmal atrial tachycardia -- Parrot fever -- Partial thromboplastin time -- Paruresis -- Patau syndrome -- Patent ductus arteriosus -- Patient protection and affordable care act -- Pediatric surgery -- Pediatric leukemia -- Pellagra -- Pelvic exam -- Pelvic fracture -- Pelvic inflammatory disease -- Pelvic relaxation -- Pelvic ultrasound -- Penicillins -- Penile cancer -- Penile prostheses -- Percutaneous transhepatic cholangiography -- Perforated eardrum -- Perforated septum -- Pericardiocentesis -- Pericarditis -- Perinatal infection -- Periodic paralysis -- Periodontal disease -- Peripheral neuropathy -- Peripheral vascular disease -- Peritonitis -- Pernicious anemia -- Peroxisomal disorders -- Personality disorders -- Pervasive developmental disorders -- Pet therapy -- Peyronie's disease -- Pharmacogenetics -- Phenylketonuria -- Pheochromocytoma -- Phimosis -- Phlebotomy -- Phobias -- Phosphorus imbalance -- Photodynamic therapy -- Photorefractive keratectomy (PRK) -- Photosensitivity -- Phototherapy -- Physical allergy -- Physical examination -- Physical therapy -- Physiology -- Pica -- Pickwickian syndrome -- Piercing and tattoos -- Pilates -- Pinguecula and pterygium -- Pinta -- Pituitary dwarfism -- Pituitary tumors -- Pityriasis rosea -- Placenta previa -- Placental abruption -- Plague -- Plasma renin activity -- Plasmapheresis -- Plastic, reconstructive, and cosmetic surgery -- Platelet aggregation test -- Platelet count -- Platelet function disorders -- Pleural biopsy -- Pleural effusion -- Pleurisy -- Pneumococcal pneumonia -- Pneumocystis pneumonia -- Pneumonectomy -- Pneumonia -- Pneumonia vaccine -- Pneumothorax -- Poison ivy and poison oak -- Poisoning -- Polarity therapy -- Polio -- Polycystic kidney disease -- Polycystic ovary syndrome -- Polycythemia vera -- Polydactyly and syndactyly -- Polyglandular deficiency syndromes -- Polyhydramnios and oligohydramnios -- Polymyalgia rheumatica -- Polymyositis -- Polysomnography -- Porphyrias -- Portal vein bypass -- Positron emission tomography (PET) -- Post-concussion syndrome -- Post-traumatic stress disorder -- Postmenopausal bleeding -- Postpartum depression -- Postpolio syndrome -- Prader-Willi syndrome -- Precocious puberty -- Preeclampsia and eclampsia -- Pregnancy -- Premature ejaculation -- Premature labor -- Premature menopause -- Premature rupture of membranes -- Prematurity -- Premenstrual dysphoric disorder -- Premenstrual syndrome -- Prenatal surgery -- Preparing for surgery -- Prepregnancy counseling -- Presbyopia -- Priapism -- Prickly heat -- Primary biliary cirrhosis -- Probiotics -- Proctitis -- Progressive multifocal leukoencephalopathy -- Progressive supranuclear palsy -- Prolactin test -- Prolonged GT syndrome -- Prophylaxis -- Prostate-specific antigen test -- Prostate biopsy -- Prostate cancer -- Prostate ultrasound -- Prostatectomy -- Prostatitis -- Prosthetics -- Protease inhibitors -- Protein components test -- Protein electrophoresis -- Protein-energy malnutrition -- Prothrombin time -- Proton pump inhibitors -- Provenge (sipuleucel-T) -- Pseudogout -- Pseudomonas infections -- Pseudoxanthoma elasticum -- Psoriasis -- Psoriatic arthritis -- Psychoanalysis -- Psychological tests -- Psychosis -- Psychosocial disorders -- Psychosurgery -- Psychotherapy -- Ptosis -- Puberty -- Public health -- Puerperal infection -- Pulmonary alveolar proteinosis -- Pulmonary artery catheterization -- Pulmonary edema -- Pulmonary embolism -- Pulmonary fibrosis -- Pulmonary function tests -- Pulmonary hypertension -- Pulmonary valve insufficiency -- Pulmonary valve stenosis -- Pyelonephritis -- Pyloric stenosis -- Pyloroplasty -- Pyruvate kinase deficiency --

Q fever -- Qigong -- Quadrantectomy -- Rabies -- Radial keratotomy -- Radiation injuries -- Radiation therapy -- Radical neck dissection -- Radioactive implants -- Radiology -- Rape and sexual assault -- Rashes -- Rat-bite fever -- Raynaud's disease -- Recompression treatment -- Rectal cancer -- Rectal examination -- Rectal polyps -- Rectal prolapse -- Recurrent miscarriage -- Red blood cell indices -- Red reflex testing -- Reflex sympathetic dystrophy -- Reflex tests -- Reflexology -- Rehabilitation -- Reiki -- Reiter's syndrome -- Relapsing fever -- Relapsing polychondritis -- Renal artery occlusion -- Renal artery stenosis -- Renal tubular acidosis -- Renal vein thrombosis -- Renovascular hypertension -- Respiratory acidosis -- Respiratory alkalosis -- Respiratory distress syndrome -- Respiratory failure -- Respiratory syncytial virus -- Respiratory therapy -- Restless legs syndrome -- Restrictive cardiomyopathy -- Reticulocyte count -- Retinal artery occlusion -- Retinal detachment -- Retinal hemorrhage -- Retinal vein occlusion -- Retinitis pigmentosa -- Retinoblastoma -- Retinopathies -- Retrograde cystography -- Retrograde ureteropyelography -- Retrograde urethrography -- Retropubic suspension -- Reye syndrome -- Rhabdomyolysis -- Rheumatic fever -- Rheumatoid arthritis -- Rhinitis -- Rhinoplasty -- Riboflavin deficiency -- Rickets -- Rickettsialpox -- Ringworm -- Robot-assisted surgery -- Rocky mountain spotted fever -- Rolfing -- Root canal treatment -- Rosacea -- Roseola -- Ross river virus -- Rotator cuff injury -- Rotavirus infections -- Roundworm infections -- Rubella -- Rubella test -- Sacroiliac disease -- Safe sex -- Salivary gland scan -- Salivary gland tumors -- Salmonella food poisoning -- Salpingectomy -- Salpingo-oophorectomy -- Sapho syndrome -- Sarcoidosis -- Sarcomas -- Saw palmetto -- Scabies -- Scar revision surgery -- Scarlet fever -- Scars -- Schistosomiasis -- Schizoaffective disorder -- Schizophrenia -- Sciatica -- Scleroderma -- Sclerotherapy for esophageal varices -- Scoliosis -- Scrotal nuclear medicine scan -- Scrotal ultrasound -- Scrub typhus -- Scurvy -- Seasonal affective disorder -- Seborrheic dermatitis -- Secondary polycythemia -- Sedation -- Seizure disorder -- Selective serotonin reuptake inhibitors -- Self-mutilation and cutting -- Semen analysis -- Senior health -- Senior nutrition -- Sensory integration disorder -- Sepsis -- Septic shock -- Septoplasty -- Serum sickness -- Severe acute respiratory syndrome (SARS) -- Severe combined immunodeficiency -- Sex hormones tests -- Sex reassignment surgery -- Sex therapy -- Sexual abuse -- Sexual addiction -- Sexual dysfunction -- Sexually transmitted infections -- Sexually transmitted infection cultures -- Shaken baby syndrome -- Shiatsu -- Shigellosis -- Shin splints -- Shingles -- Shock -- Shortness of breath -- Shy-Drager syndrome -- Shyness -- Sick sinus syndrome -- Sickle cell disease -- Sideroblastic anemia -- Sigmoidoscopy -- Sildenafil citrate -- Silicosis -- Simple mastectomy -- Single photon emission computed tomography -- Sinus endoscopy -- Sinusitis -- Situs inversus -- Sitz bath -- Sj�gren's syndrome -- Skin biopsy -- Skin cancer, non-melanoma -- Skin culture -- Skin grafting -- Skin lesion removal -- Skin lesions -- Skin pigmentation disorders -- Skin resurfacing -- Skull x rays -- Sleep apnea -- Sleep deprivation -- Sleep disorders -- Sleeping sickness -- Small intestine biopsy -- Smallpox -- Smelling disorders -- Smoke inhalation -- Smoking -- Smoking cessation drugs -- Snoring -- Sodium -- Soft tissue sarcoma -- Somatoform disorders -- Sore throat -- South American blastomycosis -- Space medicine -- Speech disorders -- Speech therapy -- Spina bifida -- Spinal cord injury -- Spinal cord tumors -- Spinal fusion -- Spinal instrumentation -- Spinal stenosis -- Spirometry -- Splenectomy -- Splenic trauma -- Sporotrichosis -- Sports injuries -- Sprains and strains -- Sputum culture -- Squamous cell carcinoma of the skin -- St -- John's wort -- Stanford-Binet intelligence scales -- Stapedectomy -- Staphylococcal infections -- Staphylococcal scalded skin syndrome -- Starvation -- Stem cell transplantation -- Steroids -- Stillbirth -- Stockholm syndrome -- Stomach cancer -- Stomach flushing -- Stomachache -- Stomatitis -- Stool culture -- Stool fat test -- Stool o & p test -- Strabismus -- Strep throat -- Streptococcal antibody tests -- Streptococcal infections -- Stress -- Stress reduction -- Stress test -- Stridor -- Stroke -- Stuttering -- Subacute sclerosing panencephalitis -- Subarachnoid hemorrhage -- Subdural hematoma -- Substance abuse and dependence -- Sudden cardiac death -- Sudden infant death syndrome -- Suicide -- Sulfonamides -- Sunburn -- Sunscreens -- Superior vena cava syndrome -- Surfactant -- Swallowing disorders -- Sweat test -- Swollen glands -- Sydenham's chorea -- Sympathectomy -- Syphilis -- Systemic lupus erythematosus --

Tai chi -- Tanning -- Tapeworm diseases -- Tardive dyskinesia -- Tarsorrhaphy -- Tattoo removal -- Tay-Sachs disease -- Technetium heart scan -- Teen health -- Teen relationship abuse -- Teeth whitening -- Teething -- Telehealth -- Temporal arteritis -- Temporomandibular joint disorders -- Tendinitis -- Tennis elbow -- Tensilon test -- Tension headache -- Testicular cancer -- Testicular self-examination -- Testicular surgery -- Testicular torsion -- Tetanus -- Tetracyclines -- Tetralogy of Fallot -- Thalassemia -- Thallium heart scan -- Thematic apperception test -- Therapeutic baths -- Therapeutic hypothermia -- Therapeutic touch -- Third-spacing -- Thoracentesis -- Thoracic outlet syndrome -- Thoracic surgery -- Thoracoscopy -- Threadworm infection -- Throat culture -- Thrombocytopenia -- Thrombocytosis -- Thrombolytic therapy -- Thrombophlebitis -- Thrombotic thrombocytopenic purpura -- Thymoma -- Thyroid biopsy -- Thyroid cancer -- Thyroid function tests -- Thyroid hormones -- Thyroid nuclear medicine scan -- Thyroid ultrasound -- Thyroidectomy -- Thyroiditis -- Tilt table test -- Tinnitus -- Tissue typing -- Tommy john surgery -- Tomosynthesis -- Tonsillectomy and adenoidectomy -- Tonsillitis -- Tooth decay -- Tooth extraction -- Tooth replacements and restorations -- Tooth replantation -- Toothache -- Topical anesthesia -- Torch test -- Torticollis -- Total parenteral nutrition -- Tourette syndrome -- Toxic epidermal necrolysis -- Toxic shock syndrome -- Toxicology screen -- Toxoplasmosis -- Trabeculectomy -- Tracheoesophageal fistula -- Tracheotomy -- Trachoma -- Traction -- Traditional Chinese medicine -- Trager psychophysical integration -- Trans fatty acids -- Transcranial Doppler ultrasonography -- Transesophageal echocardiography -- Transfusion -- Transhepatic biliary catheterization -- Transient ischemic attack -- Translational medicine -- Transplant surgery -- Transposition of the great arteries -- Transurethral bladder resection -- Transvaginal ultrasound -- Transverse myelitis -- Trauma -- Traumatic amputations -- Traumatic brain injury -- Traveler's diarrhea -- Tremors -- Trench fever -- Trichinosis -- Trichomoniasis -- Tricuspid valve insufficiency -- Tricuspid valve stenosis -- Trigeminal neuralgia -- Trigger finger -- Triglycerides -- Triglycerides test -- Tropical spastic paraparesis -- Troponins test -- Tubal ligation -- Tube compression of the esophagus and stomach -- Tube feedings -- Tuberculin skin test -- Tuberculosis -- Tularemia -- Tumor markers -- Tumor necrosis factor -- Tumor removal -- Turner syndrome -- Typhoid fever -- Typhus -- Tzanck preparation -- Ulcer surgery -- Ulcers (digestive) -- Ultrasound -- Ultraviolet light treatment -- Umbilical cord blood banking -- Umbilical hernia repair -- Undernutrition -- Undescended testes -- Upper GI exam -- Ureteral stenting -- Urethritis -- Uric acid tests -- Urinalysis -- Urinary anti-infectives -- Urinary catheterization -- Urinary diversion surgery -- Urinary incontinence -- Urinary tract infection -- Urine culture -- Urine flow test -- Uterine fibroid embolization -- Uterine fibroids -- Uterine prolapse -- Uveitis -- Vaccination -- Vaginal pain -- Vaginismus -- Vaginitis and vulvovaginitis -- Vagotomy -- Valsalva maneuver -- Valvular heart disease -- Varicose veins -- Vascular disease -- Vascular surgery -- Vasculitis -- Vasectomy -- Vasodilators -- Vegetarianism -- Vegetative state -- Velopharyngeal insufficiency -- Vena cava filter -- Venography -- Venous access -- Venous insufficiency -- Ventricular aneurysm -- Ventricular assist device -- Ventricular ectopic beats -- Ventricular fibrillation -- Ventricular septal defect -- Ventricular shunt -- Ventricular tachycardia -- Vertical banded gastroplasty -- Vertical infections -- Vesicoureteral reflux -- Vibriosis -- Vision training -- Visual impairment -- Vitamin A -- Vitamin B6 -- Vitamin D -- Vitamin E -- Vitamin K -- Vitamin tests -- Vitamin toxicity -- Vitamins -- Vitiligo -- Vitrectomy -- Vocal cord nodules and polyps -- Vocal cord paralysis -- Volkmann's contracture -- Vomiting -- Von Willebrand disease -- Vulvar cancer -- Vulvodynia -- Waldenstrom's macroglobulinemia -- Warts -- Wechsler intelligence test -- Wegener's granulomatosis -- Weight loss drugs -- West Nile virus -- Wheezing -- Whiplash -- White blood cell count and differential -- Whole-bowel irrigation -- Whooping cough -- Wilderness medicine -- Wilms' tumor -- Wilson disease -- Wiskott-Aldrich syndrome -- Withdrawal syndromes -- Wolff-Parkinson-White syndrome -- Women's health -- Women's nutrition -- Wound care -- Wound culture -- Wounds -- Xanthoma -- X-linked agammaglobulinemia -- Yaws -- Yellow fever -- Yersinosis -- Yoga -- Zellweger syndrome -- Zika fever -- Zoonosis.

Includes information on almost 2,000 medical disorders and concepts. Each article includes in-depth discussion of causes, symptoms, diagnosis, treatments, procedures, and other related topics. Written for a general audience with an authoritative tone.

Description based on print version record.