Disease, Condition, & Injury Fact Sheets

En Español (Spanish Version) [1]

Health Library disease & condition fact sheets provide comprehensive, yet concise evidence-based information on a variety of health [2] conditions, diseases and injuries.

A [3]B [4]C [5]D [6]E [7]F [8]G [9]H [10]I [11]J [12]K [13]L [14]M [15]N [16]O [17]P [18]Q [19]R [20]S [21]T [22]U [23]V [24]W [25]X [26]Y [27]Z [28]

Aarskog-Scott syndrome [29]
Abdominal cramps [30]
Ablatio placentae [31]
Abruptio placentae [31]
Abscessed tooth [32]
Absent menses [33]
Absent periods [33]
Acanthosis nigricans [34]
Accidental hypothermia [35]
Acetaminophen overdose [36]
Acetaminophen poisoning [36]
Achalasia [37]
Achilles' tendonitis [38]
Achondroplasia [39]
Achondroplastic dwarfism [39]
ACL injury [40]
Acne [41]
Acne conglobata [42]
Acne inversa (AI) [42]
Acoustic neuroma [43]
Acrochordons [44]
Acromegaly [45]
Actinic keratosis [46]
Actinomycosis [47]
Acute abdomen [30]
Acute abdominal pain [30]
Acute adrenocortical insufficiency [48]
Acute angle-closure glaucoma [49]
Acute autoimmune neuropathy [50]
Acute cerebellar ataxia [51]
Acute colonic pseudo-obstruction [52]
Acute coronary syndrome [53]
Acute cystitis [54]
Acute granulocytic leukemia [55]
Acute idiopathic polyneuritis [50]
Acute inflammatory demyelinating polyneuropathy (AIDP) [50]
Acute inflammatory demyelinating polyradiculoneuropathy [56]
Acute inflammatory polyneuropathy [50]
Acute interstitial nephritis [57]
Acute lymphoblastic leukemia [58]
Acute lymphocytic leukemia [58]
Acute myeloblastic leukemia [55]
Acute myelogenous leukemia [55]
Acute myeloid leukemia [55]
Acute necrotizing ulcerative gingivitis [59]
Acute nonbacterial gastroenteritis [60]
Acute nonlymphoblastic leukemia [55]
Acute nontoxic megacolon [52]
Acute renal failure [61]
Acute respiratory [62] distress syndrome
Acute silicosis [63]
Acute tubular necrosis [64]
Adamantiales-Behcet's syndrome [65]
ADD [66]
Addison's disease [67]
Adenovirus infection [68]
ADHD [66]
Adhesive capsulitis [69]
Adjustment reaction disorder [70]
Adrenal cancer [71]
Adrenal crisis [48]
Adrenocortical carcinoma [71]
Adrenoleukodystrophy (X-linked) [72]
Adult macular degeneration [73]
Adult onset diabetes [74]
Adult polycystic disease [75]
Adult respiratory [62] distress syndrome (ARDS)
Adynamic ileus [76]
Aganglionic megacolon [77]
Age-related hearing loss [78]
Agoraphobia [79]
Agranulocytosis [80]
AIDS [81]
- Living with HIV [82]
Albinism [83]
Alcoholism and alcohol abuse [84]
Allergic bronchopulmonary aspergillosis [85]
Allergic contact dermatitis [86]
Allergic rhinitis [87]
Allergy
- Allergic contact dermatitis [86]
- Food allergy [88]
- Insect allergy [89]
- Seasonal allergy [87] (Hay fever)
Alopecia [90]
Alpha-galactosidase A deficiency [91]
Altitude sickness [92]
Aluminum poisoning [93]
Aluminum toxicity [93]
Alzheimer's disease [94]
Amblyopia [95]
Amebiasis [96]
Amenorrhea [33]
Amoebic dysentery [96]
Amyloid [97]
Amyloidosis [97]
Amyotrophic lateral sclerosis (ALS) [98]
Anal abscess and anal fistula [99]
Anal atresia [100]
Anal cancer [101]
Anal itching [102]
Anal fissure [103]
Anal rectal abcess [99]
Anal rectal fistula [99]
Anankastic personality disorder [104]
Anaphylactoid purpura [105]
Anaphylaxis [106]
Anderson-Fabry disease [91]
Androblastoma [107]
Anemia [108]
- Anemia of chronic disease [109]
- Anemia of inflammation [109]
- Aplastic anemia [110]
- Iron-deficiency anemia [111]
- Macrocytic achylic anemia [112]
- Pernicious anemia [113]
- Sickle cell anemia [114]
Aneurysm, aortic [115]
Angina [116]
Angiodysplasia of the colon [117]
Angioedema [118]
Angiokeratoma corporis diffusum [91]
Angiokeratoma diffuse [91]
Angioneurotic edema [118]
Angle-closure glaucoma [49]
Animal bites [119]
Ankle fracture [120]
Ankle sprain [121]
Ankylosing spondylitis [122]
Anorectal abscess [99]
Anorectal fistula [99]
Anorectal malfunction [100]
Anorexia nervosa [123]
- Living with anorexia and bulimia [124]
Anoxic brain [125] damage
Anoxic brain [125] injury
Anterior cruciate ligament (ACL) injury [40]
Anthrax [126]
Antibiotic-associated colitis [127]
Antibiotic-associated diarrhea [127]
Antisocial personality disorder [128]
ANUG [59]
Anxiety [129]
Anxiety disorders
- Anxiety [129]
- Claustrophobia [130]
- Generalized anxiety disorder [131]
- Obsessive-compulsive disorder (OCD) [132]
- Living with obsessive-compulsive disorder [133]
- Panic disorder [134]
- Post-traumatic stress [135] disorder
Aortic aneurysm [115]
Aortic coarctation [136]
Aortic dissection [137]
Aortic incompetence [138]
Aortic insufficiency [138]
Aortic regurgitation [139]
Aortic stenosis [140]
Aphasia [141]
Aphthous ulcer [142]
Apocrine acne [42]
Apocrinitis [42]
Apoplexy [143]
Appendicitis [144]
ARDS [62]
Arnold-Chiari malformation [145]
Arnold-Chiari syndrome [145]
Arrhenoblastoma [107]
Arrhythmias [146]
Arsenic toxicity [147]
Arteriosclerosis obliterans [148]
Arteriosclerotic dementia [149]
Arteriovenous malformations [150]
Arteriovenous malformations of the brain [150]
Arteriovenous malformations of the colon [117]
Arthritis
- Osteoarthritis [151]
- Living with osteoarthritis [152]
- Rheumatoid arthritis [153]
- Living with rheumatoid arthritis [154]
Asbestosis [155]
Ascariasis [156]
Ascites [157]
ASD [158]
Aseptic meningitis [159]
Aseptic necrosis of the hip [160]
ASH [161]
Asperger syndrome [162]
Aspergillosis [163]
Aspiration pneumonia [164]
Asthma [165]
- Living with asthma [166]
Astigmatism [167]
Astrocytoma [168]
Asymmetric septal hypertrophy [161]
Atelectasis [169]
Atherosclerosis [170]
Atherosclerotic disease [149]
Athlete's foot [171]
Atopic dermatitis [172]
Atrial fibrillation [173]
Atrial flutter [174]
Atrial septal defect [175]
Atrioventricular canal defect [175]
Atrioventricular septal defect [176]
Atrophic vaginitis [177]
Attention deficit disorder (ADD) [66]
Attention deficit hyperactivity disorder (ADHD) [66]
Autism [178]
Autoimmune hemolytic anemia [179]
Autosomal dominant polycystic kidney [75] disease
Avascular necrosis [160]
Avian influenza [180]

Bacterial arthritis [181]
Bacterial endocarditis [182]
Bacterial meningitis [183]
Bacterial vaginosis [184]
Baker's cyst [185]
Bang's disease [186]
Barlow's syndrome [187]
Barotitis media [188]
Barotrauma [189]
Barrett's esophagus [190]
Basal cell carcinoma [191]
Baseball finger [192]
Batten disease [193]
Bed sores [194]
Bed wetting [195]
Behcet's disease [65]
Bell's palsy [196]
Binge eating disorder [197]
Blocked tear duct [198]
Breast pain [199]
The bends [92]
Benign breast masses [200]
Benign essential tremor [201]
Benign fibrous histiocytoma [202]
Benign skin tumor [203]
Benign prostatic hyperplasia [204]
Berger’s disease [205]
Berylliosis (Beryllium disease) [206]
Bicipital tendonitis [207]
Biliary colic [208]
Binswanger's disease [209]
Bipolar disorder [210]
- Living with bipolar disorder [211]
Bird flu [180]
Birthmarks [212]
Black eye [213]
Bladder cancer [214]
Bladder infection [54]
Bladder prolapse [215]
Blepharitis [216]
Blisters [217]
Blood poisoning [218]
Boils [219]
Bone cancer [220]
Bone fracture (Broken Bone) [221]
- Ankle fracture [120]
- Cervical fracture [222]
- Clavicle fracture [223]
- Coccyx fracture [224]
- Collarbone fracture [223]
- Elbow fracture [225]
- Femur fracture [226]
- Finger fracture [227]
- Foot fracture [228]
- Forearm fracture [229]
- Hip fracture [230]
- Neck fracture [222]
- Nose fracture [231]
- Rib fracture [232]
- Shinbone fracture [233]
- Spinal fracture [234]
- Stress fracture [235]
- Tibia fracture [233]
- Toe fracture [236]
- Vertebral fracture [234]
- Wrist fracture [237]
Borderline personality [238]
Botulinum toxin [239]
Botulism [240]
Bowel obstruction, mechanical [241]
BPD [242]
Brachial plexus injury [243]
Bradycardia [244]
Bradycardia-tachycardia syndrome [245]
Brain cancer [246] (Brain tumor)
Brain tumor – astrocytoma [168]
Brain tumor – glioblastoma multiforme [247]
Break bone [248] fever
Breast cancer [249]
Breast cysts [200]
Briquet’s syndrome [250]
Bronchiolitis [251]
Bronchitis [252]
Bronchopulmonary dysplasia [242]
Brucellosis [186]
Bruise [253]
Bruxism [254]
Bulimia nervosa [255]
- Living with anorexia and bulimia [124]
Bunion [256]
Bursitis [257]
Burner [243]
Burns [258]

C diff [127]
Caisson disease [92]
Cadmium toxicity [259]
Calcium pyrophosphate deposition disease [260]
Calcium pyrophosphate dihydrate crystal deposition disease [260]
Calf muscle [261] strain
Caliciviruses [60]
Callus [262]
Cancer
- Acute lymphoblastic leukemia [58]
- Acute myelogenous leukemia [55]
- Adrenal cancer [71]
- Adrenal cortical carcinoma [71]
- Adrenocortical carcinoma [71]
- Anal cancer [101]
- Astrocytoma [168]
- Bladder cancer [214]
- Bone cancer [220]
- Brain cancer [246] (Brain tumor)
- Breast cancer [249]
- Cancer of the adrenal cortex [71]
- Cervical cancer [263]
- Chronic lymphocytic leukemia [264]
- Chronic myelocytic leukemia [265]
- Colorectal cancer [266] (Colon cancer)
- Endometrial cancer [267]
- Esophageal cancer [268]
- Ewing's sarcoma [220]
- Gallbladder cancer [269]
- Hairy cell leukemia [270]
- Hodgkin's disease (Hodgkin's lymphoma) [271]
- Kaposi's sarcoma [272]
- Kidney cancer [273]
- Laryngeal cancer [274]
- Liver cancer [275]
- Lung cancer [276]
- Melanoma [277]
- Mesothelioma (pleura) [278]
- Nasopharyngeal cancer [279]
- Non-Hodgkin's lymphoma (adult) [280]
- Oropharyngeal cancer [279]
- Osteosarcoma [220]
- Ovarian cancer [281]
- Pancreatic cancer [282]
- Prostate cancer [283]
- Living with prostate cancer [284]
- Skin cancer [285]
- Soft tissue sarcoma [286]
- Stomach cancer [287]
- Testicular cancer [288]
- Throat cancer [279]
- Thyroid cancer [289]
- Tongue cancer [290]
- Uterine cancer [267]
- Vaginal cancer [291]
Cancer pain [292] syndromes
Cancer, anal [101]
Cane-cutter fever [293]
Canicola fever [293]
Canker sores [142]
Candidiasis [294]
Carbon monoxide poisoning [295]
Carbuncles [219]
Cardiac arrest [296]
Cardiac tamponade [297]
Cardiomyopathy [298]
Cardiomyopathy, hypertrophic [161]
Carpal tunnel syndrome [299]
Cataract [300]
Cat scratch disease [301]
Cat scratch fever [301]
Causalgia [302]
Cavity [303]
Celiac disease (Celiac sprue) [304]
Cellulitis [305]
Ceramide trihexosidase deficiency [91]
Cerebellitis [51]
Cerebellomedullary malformation syndrome [145]
Cerebral hypoxia [306]
Cerebral palsy [307]
Cerumen impaction [308]
Cervical cancer [263]
Cervical dysplasia [309]
Cervical fracture [222]
Cervical strain and neck sprain [310]
CGD [311]
Chalazion [312]
Charcot-Marie-Tooth disease [313]
Chickenpox [314]
Chlamydia [315]
Cholecystitis [208]
Cholera [316]
Cholesteatoma [317]
Chondrocalcinosis [260]
Chondromalacia patella [318]
Chondrosarcoma [319]
Chorioretinitis [320]
Chromosome 22q11 deletion syndrome [321]
Chronic atrophic pyelonephritis [322]
Chronic bronchitis [252]
Chronic cystic mastitis [200]
Chronic fatigue syndrome [323]
Chronic glaucoma [324]
Chronic granulomatous disease [311]
Chronic granulomatous disease of childhood [311]
Chronic heartburn-adolescent [325]
Chronic heartburn-child [326]
Chronic heartburn-infant [327]
Chronic kidney [328] disease
Chronic lymphadenitis [329]
Chronic lymphocytic leukemia [264]
Chronic myelocytic leukemia [265]
Chronic myeloid leukemia [265]
Chronic myelogenous leukemia [265]
Chronic granulocytic leukemia [265]
Chronic obstructive pulmonary disease [330]
Chronic obstructive pulmonary disease (COPD) [331]
Chronic pancreatitis [332]
Chronic renal failure [328]
Chronic venous insufficiency [333]
Cirrhosis, liver [334]
Claustrophobia [130]
Clavicle fracture [223]
Cleft lip [335]
Cleft palate [335]
Click-murmur syndrome [187]
Closed head injury [336]
Clostridium difficile -induced Colitis [127]
Clubfoot [337]
Cluster headache [338]
CMV infection [339]
Coarctation of the aorta [136]
Cocaine use disorder [340]
Coccidioidomycosis [341]
Coccyx fracture [224]
Cognitive disability [342]
Cold [343]
Cold sores [344]
Colic [345]
Colitis, ulcerative [346]
Collapsed lung [169]
Collarbone fracture [223]
Colonic aganglionosis [77]
Colon polyps [347]
Colonic angiodysplasia [117]
Colonic Ileus [52]
Color blindness [348]
Color vision [348] deficiency
Color vision [348] problem
Colorado tick fever [349]
Colorectal cancer [266] (Colon cancer)
Coma [350]
Compulsive gambling [351]
Concussion [336]
Conduct disorder [352]
Condyloma acuminata [353]
Congenital adrenal hyperplasia [354]
Congenital hernia of the diaphragm [355]
Congenital hypothyroidism [356]
Congenital megacolon or megarectum [77]
Congenital pernicious anemia [113]
Congenital rubella syndrome [357]
Congenital spherocytic anemia [358]
Congenital syphilis [359]
Congestive heart [360] failure
Conjunctivitis [361]
Constipation [362]
Consumption coagulopathy [363]
Contact dermatitis [364]
Contractures [365]
Contusion (general) [253]
Contusion (eye) [213]
Conversion disorder [366]
COPD [331]
Copper transport disease [367]
Corneal abrasion [368]
Corneal opacity (cloudy cornea) [369]
Corns [262]
Coronary artery disease (Coronary heart [370] disease)
Costochondritis [371]
Cough [372]
Crab lice [373]
Craniofacial dysotosis [374]
Cretinism [356]
Creutzfeldt-Jakob disease (CJD) [375]
Crib death [376]
Crohn's disease [377]
Crossed eyes [378]
Croup [379]
CRPS [302]
Crouzon syndrome [374]
Cryptorchidism [380]
Crypto [381]
Cryptosporidiosis [381]
Cushing's syndrome (Cushing's disease) [382]
Cystic disease [200]
Cystic fibrosis [383]
Cystitis [54]
Cystocele/Rectocele [215]
Cystocoele [215]
Cytomegalovirus [339]

Dacryocystitis [198]
Dacryostenosis [198]
Dandruff [384]
Dandy Walker [385]
Dandy-Walker malformation [385]
Dandy-Walker syndrome [385]
Dawson disease [386]
Deafness [387]
Decompression sickness [92]
Decubitus ulcers [194]
Deep vein thrombosis (DVT) [388]
Deer-fly fever [389]
Defibrination Syndrome [363]
Degenerative joint disease [151]
- Living with arthritis [152] (degenerative joint disease)
Degenerative disc disease [390]
Degenerative disk disease [390]
Dehisce [391]
Dehydration [392]
Dejerine-Sottas disease [313]
Delayed puberty [393]
Delayed sexual maturation [393]
Delirium [394]
Delirium tremens (DTs) [395]
Dementia with lewy bodies [396]
Dental impaction [397]
Dependant personality disorder [398]
Developmental disability [342]
Dementia [399]
Dengue fever [248]
Depression [400]
- Living with depression [401]
de Quervain's disease [402]
de Quervain's syndrome [402]
Dermal fibrotic lesion [403]
Dermatitis
- Allergic contact dermatitis [86]
- Atopic dermatitis [172]
- Contact dermatitis [364]
- Seborrheic dermatitis [384]
Dermatofibroma [202]
Dermatomycosis:
- Tinea capitis [404]
- Tinea cruris [405]
- Tinea infection [406]
- Tinea nigra [407]
- Tinea pedis [171]
- Tinea unguium [408]
- Tinea versicolor [409]
Dermatomyositis [410]
Dermatophyte infection [406]
Detached retina [411]
Deviated nasal septum [412]
Diabetes
- Gestational diabetes [413]
- Type 1 diabetes [414]
- Living with type 1 diabetes [415]
- Type 2 diabetes [74]
Diabetes insipidus [416]
Diabetic foot [417] ulcer
Diabetic neuropathy [418]
Diabetic nonketotic coma [419]
Diaper rash [420]
Diaphragmatic hernia [355]
Diarrhea [421]
DiGeorge syndrome [321]
Diphtheria [422]
Disfluent speech [423]
Dislocated finger [424]
Dislocated hip [425]
Dislocated shoulder [426]
Disseminated intravascular coagulation (DIC) [363]
Diverticulitis [427]
Down syndrome [428]
Drowning [429]
Dry eye [430] syndrome
Drug abuse [431]
Drug addiction [431]
Drug dependence [431]
Drug-induced hepatitis [432]
Duodenal ulcer [433]
Dupuytren's contracture [434]
Dysbarism [92]
Dyslexia [435]
Dyslipidemia [436]
Dysmenorrhea [437]
Dyspareunia [438]
Dyspepsia [439]
Dysphagia [440]
Dysthymia [441]

Ear barotrauma [189]
Ear blockage [308]
Ear impaction [308]
Ear infection, middle [442]
Early puberty [443]
Earwax [308]
Eastern equine encephalitis [444]
Eating disorders
- Anorexia nervosa [123]
- Bulimia nervosa [255]
- Living with anorexia and bulimia [124]
Ebola hemorrhagic fever [445]
Emphysema [330]
Endocardial cushion defect [176]
Ewing's family of tumors [446]
Ewing's sarcoma [446]
E coli infection [447]
Ectopic pregnancy [448]
Eczema [172]
EEE [444]
Ehlers-Danlos syndrome [449]
Electrical burns [450]
Electrical shock [450]
Electrocution [450]
Elbow fracture [225]
Elbow sprain [451]
Emphysema [452]
- Living with emphysema [453]
Encephalitis [454]
Encopresis [455]
Endocardial cushion defect [175]
Endocarditis [456]
Endocarditis, bacterial [182]
Endometrial cancer [267]
Endometriosis [457]
Enuresis [195]
Eosinophilia [458]
Epicondylitis
- Lateral epicondylitis [459]
- Medial epicondylitis [460]
Epidermal cyst [461]
Epididymitis [462]
Epilepsy [463]
Epiglottitis [464]
Epistaxis [465]
Epithelial cyst [461]
Erectile dysfunction [466]
- Living with erectile dysfunction [467]
Erythema infectiosum (fifth disease) [468]
Erythema multiforme [469]
Erythema nodosum [470]
Erythremia [471]
Escherichia coli infection [447]
Escherichia coli O157:H7 [447]
Esophageal achalasia [37]
Esophageal cancer [268]
Esophageal stricture [472]
Esophageal varices [473]
Essential hypertension [474]
- Living with hypertension [475]
Essential tremor [201]
Eustachian tube dysfunction [188]
Ewing's sarcoma [220]
Exanthem subitum [476]
Eye Contusion [213]

Fabry disease [91]
Faciodigitogenital dysplasia [29]
Failure-to-thrive [477]
Fainting [478]
Fallen arches [479]
Fallen bladder/rectocoele [215]
Familial adenomatous polyposis [480]
Familial Dandy Walker [385]
Familial periodic paralysis [481]
Familial primary pulmonary hypertension [482]
Familial tremor [201]
Farsightedness [483]
Farsightedness and nearsightedness [484]
Fatal granulomatosis of childhood [311]
Fatty tumor [485]
Febrile seizures [486]
Female infertility [487]
Female sexual dysfunction [488]
Femur fracture [226]
Fetal alcohol syndrome [489]
Fever of unknown origin [490]
Fever seizures [486]
Fibrocystic disease [200]
Fibroepithelial polyps [44]
Fibroids [491]
Fibromyalgia [492]
Fibromyalgia syndrome [492]
Fifth disease [468]
Finger dislocation [424]
Finger fracture [227]
Finger sprain [493]
Fish scale disease [494]
Fissure, anal [103]
Flat foot [479]
Floppy valve syndrome [187]
Flu [495]
FM [492]
FMS [492]
Focal dystonia [496]
Folacin deficiency [497]
Folate deficiency [497]
Food allergy [88]
Food Infection [60]
Food poisoning [498]
Foot fracture [228]
Forearm fracture [229]
Fox-den disease [42]
Fracture, bone [221]
- Ankle fracture [120]
- Cervical fracture [222]
- Clavicle fracture [223]
- Coccyx fracture [224]
- Collarbone fracture [223]
- Elbow fracture [225]
- Femur fracture [226]
- Finger fracture [227]
- Foot fracture [228]
- Forearm fracture [229]
- Hip fracture [230]
- Neck fracture [222]
- Nose fracture [231]
- Rib fracture [232]
- Shinbone fracture [233]
- Spinal fracture [234]
- Stress fracture [235]
- Tibia fracture [233]
- Toe fracture [236]
- Vertebral fracture [234]
- Wrist fracture [237]
Fragile X syndrome [499]
Friedreich’s ataxia [500]
Frostbite [501]
Frozen shoulder [69]
Fungal infection of the scalp [404]
Fungal nail infection [408]
FUO [490]
Furuncles [219]

Galactorrhea [502]
Galactosemia [503]
Gallbladder cancer [269]
Gallstones [208]
Gambling addiction [351]
Ganglion cyst [504]
Gangrene [505]
Gastric ulcer [433]
Gastrinoma [506]
Gastritis [507]
Gastro-oesophageal reflux disease-adolescent [325]
Gastro-oesophageal reflux disease-child [326]
Gastro-oesophageal reflux disease-infant [327]
Gastrocnemius strain [261]
Gastroenteritis [508]
Gastroesophageal reflux disease (GERD) [509]
Gastroesophageal reflux disease-adolescent [325]
Gastroesophageal reflux disease-child [326]
Gastroesophageal reflux disease-infant [327]
Gaucher disease [510]
GBM [247]
Generalized anxiety disorder [131]
Genital herpes [511]
- Living with herpes [512]
Genital warts [353]
GERD-adolescent [325]
GERD-child [326]
GERD-infant [327]
German measles [513]
Gestational diabetes [413]
Giant cell arteritis [514]
Giardiasis [515]
Gilbert's syndrome [516]
Gingivitis [517]
GLA deficiency [91]
Glaucoma [518]
- Living with glaucoma [519]
Glioblastoma multiforme [247]
Glioma [168]
Glomerulonephritis [520]
Glomerular disease [520]
Gluteal strain [521]
Gluten-sensitive enteropathy [304]
Glycogenoses [522]
Glycogen storage diseases [522]
Glycolipid lipidosis [91]
Golfer's elbow [460]
Gonorrhea [523]
GORD-adolescent [325]
GORD-child [326]
GORD-infant [327]
Gout (Gouty arthritis) [524]
Granulocytopenia [80]
Granulomatous Ileocolitis [525]
Granulopenia [80]
Graves' disease [526]
Groin hernia [527]
Groin strain [528]
Group B streptococcal disease (GBS) [529]
Guillain-Barre syndrome [56]
Gum disease [517]
Gynecomastia [530]

Hairy cell leukemia [270]
Hairy leukoplakia [531]
Hallux valgus [256]
Hammer toe [532]
Hamstring strain [533]
Hand, foot [534], and mouth disease
Hantavirus infection [535]
Hantavirus pulmonary syndrome [535]
Hashimoto's thyroiditis [536]
Hay fever [87]
HCM [161]
Head lice [537]
Headache
- Cluster headache [338]
- Migraine headache [538]
- Living with migraines [539]
- Sinus headache [540]
- Tension headache [541]
- Tension-type headache [541]
Head trauma [336]
Hearing loss [542]
Heart attack [543]
Heart block [544]
Heart murmur [545]
Heartburn [509]
Heartburn-adolescent [325]
Heartburn-child [326]
Heartburn-infant [327]
Heat exhaustion [546]
Heat stroke [546]
Hemangioma [547]
Hematuria [548]
Hemifacial spasm [549]
Hemochromatosis [550]
Hemolytic anemia [179]
Hemophilia [551]
Hemorrhagic jaundice [293]
Hemorrhoids [552]
Henoch-Schonlein purpura [105]
Hepatic coma [553]
Hepatic encephalopathy [553]
Hepatitis
- Hepatitis A [554]
- Hepatitis B [555]
- Hepatitis C [556]
- Living with hepatitis C [557]
- Hepatitis - toxic [432]
Hepatoma, malignant [275]
Hereditary dystopic lipidosis [91]
Hereditary motor and sensory neuropathies (HMSNs) [313]
Hernia
- Groin (inguinal) hernia [527]
- Hiatal hernia [558]
Hereditary spherocytosis [358]
Herniated disc [559]
Hernia—diaphragmatic [355]
Herpes simplex 1 [344]
Herpes simplex 2 [511]
- Living with herpes [512]
Herpes zoster [560]
HHNC [419]
Hiatal hernia [558]
Hiccups [561]
Hidradenitis suppurativa [42]
HIE [306]
High blood pressure [474]
High cholesterol [562]
High triglycerides [436]
Hip dislocation [425]
Hip fracture [230]
Hirschprung-Galant infantilism [77]
Hirschsprung's disease [77]
Hirsutism [563]
Histiocytoma [202]
Histoplasmosis [564]
HIV [81]
- Living with HIV [82]
Hives [565]
HOCM [161]
Hodgkin's disease (Hodgkin's lymphoma) [271]
Hole in the heart [158]
Homocystinuria [566]
Hordeolum [567]
HPV [353]
Human mad cow disease [568]
Human papillomavirus (HPV) [353]
Huntington's disease (Huntington's chorea) [569]
Hyaline membrane disease [570]
Hydrocele/Varicocele [571]
Hydrocephalus [572]
Hydronephrosis [573]
Hyperbilirubinemia [516]
Hypercholesterolemia [562]
Hypercortisolism [382]
Hyperemesis gravidarum [574]
Hyperhidrosis [575]
Hyperlipidemia [436]
Hypermenorrhea [576]
Hyperopia [483]
Hyperosmolar coma [419]
Hyperosmolar nonketotic coma [419]
Hyperosmolar nonketotic state [419]
Hyperparathyroidism [577]
Hyperopia and myopia [484]
Hypertension, essential [474]
- Living with hypertension [475]
Hypertensive crisis [578]
Hypertensive emergency [578]
Hypertensive urgency [578]
Hyperthyroidism [526]
Hypertrophic cardiomyopathy [161]
Hypertrophic obstructive cardiomyopathy [161]
Hypertrophic scar [403]
Hypoactive sexual desire [579]
Hypochondria [580]
Hypoferremia of inflammatory disease [109]
Hypoglycemia [581]
Hypoparathyroidism [582]
Hypopituitarism [583]
Hypotension, orthostatic [584]
Hypovitaminosis D [585]
Hypothermia [35]
Hypothyroidism [536]
Hypoxanthine-guanine phosphoribosyltransferase deficiency (HPRT deficiency) [586]
Hypoxic ischemic encephalopathy [306]

IBS [587]
Ichthyosis [494]
Icterohemorrhagic fever [293]
Idiopathic hypertrophic subaortic stenosis [161]
Idiopathic inflammatory myopathy [410]
Idiopathic polyneuritis [50]
Idiopathic pulmonary fibrosis [588]