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Definitions

All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
4
48, XXXX syndrome
A
AIDS
Abdominal aortic aneurysm
Abdominal distension
Abdominal obesity
Abdominal pain
Abrasion
Abscess
Acanthosis nigricans
Achalasia
Achilles tendinitis
Achilles tendon rupture
Achondroplasia
Acidosis
Acne
Acromegaly
Actinic keratosis
Acute coronary syndrome
Acute lymphoblastic leukemia
Acute myeloid leukemia
Acute pancreatitis
Acute renal failure
Acute respiratory disease syndrome
Addison's disease
Adenitis
Adenocarcinoma
Adenoma
Adenomyosis
Adhesive capsulitis of shoulder
Adjustment disorder
Adrenal fatigue
Adrenal insufficiency
Adrenoleukodystrophy
Adult attention-deficit/hyperactivity disorder
African trypanosomiasis
Aggression
Agnosia
Agoraphobia
Akathisia
Albinism
Alcohol abuse
Alcohol intoxication
Alcohol withdrawal
Alcoholism
Allergic rhinitis
Allergic sinusitis
Alopecia
Alopecia areata
Altitude sickness
Alveolar osteitis
Alzheimer's disease
Amebiasis
Amenorrhea
Amnesia
Amyloidosis
Amyotrophic lateral sclerosis
Anal cancer
Anal fissure
Anal fistula
Anaphylaxis
Anasarca
Androgenic alopecia
Andropause
Anemia
Anemia of chronic disease
Anencephaly
Aneuploidy
Aneurysm
Angelman syndrome
Anger
Angina pectoris
Angioedema
Angular cheilitis
Anhedonia
Ankle pain
Ankyloglossia
Ankylosing spondylitis
Anorexia nervosa
Anterior cruciate ligament injury
Anthrax
Antiphospholipid syndrome
Antisocial behavior
Antisocial personality disorder
Anxiety
Anxiety disorder
Aortic dissection
Aortic stenosis
Apathy
Aphasia
Aplastic anemia
Appendicitis
Appendix cancer
Appetite loss
Apraxia
Apraxia
Arm pain
Arnold-Chiari malformation
Arteriovenous malformation
Arthritis
Arthropathy
Ascites
Asperger syndrome
Asphyxia
Aspiration pneumonia
Asthenopia
Asthma
Astigmatism
Ataxia
Atelectasis
Atheroma
Atherosclerosis
Atopic dermatitis
Atrial fibrillation
Atrial flutter
Atrial septal defect
Atrophy
Attention deficit/hyperactivity disorder
Attention-deficit hyperactivity disorder
Atypical pneumonia
Auditory processing disorder
Aura
Autism
Autoimmune thyroiditis
Avascular necrosis
Avitaminosis
Avoidant personality disorder
Avulsion injury
Azoospermia
Azotemia
B
Baby acne
Baby colic
Back pain
Bacterial arthritis
Bacterial vaginosis
Baker's cyst
Balanitis
Barrett's esophagus
Bartholin's cyst
Basal cell carcinoma
Bed bug infestation
Bee sting
Behcet's disease
Bell's palsy
Benign paroxysmal positional vertigo
Benign prostatic hyperplasia
Beriberi
Beta thalassemia
Bicuspid aortic valve
Biliary colic
Binge eating
Bipolar II disorder
Bipolar disorder
Bipolar disorder in children
Bird flu
Birthmark
Black eye
Blackheads
Blackout
Bladder cancer
Bleeding
Bleeding gums
Blepharitis
Blighted ovum
Blindness
Blister
Bloating
Blood blister
Blood in stool
Blood-borne disease
Blue berry muffin syndrome
Blurred vision
Body dysmorphic disorder
Body lice
Body odor
Bone disease
Bone fracture
Bone loss
Bone metastasis
Bone spur
Bone tumor
Borderline personality disorder
Boredom
Botulism
Bovine spongiform encephalopathy
Bradycardia
Brain damage
Brain death
Brain hemorrhage
Brain tumor
Breast cancer
Breast cyst
Breast lump
Breast pain
Broken nose
Bronchiectasis
Bronchiolitis
Bronchitis
Brucellosis
Brugada syndrome
Bruise
Bruxism
Bubonic plague
Bulimia nervosa
Bullous pemphigoid
Bunions
Burkitt's lymphoma
Burn
Burning feet syndrome
Burning mouth syndrome
Bursitis
Buruli ulcer
C
Cachexia
Cachexia
Callus
Candidiasis
Canker sore
Carbon monoxide poisoning
Carbuncle
Carcinoid
Carcinoid tumor
Carcinoma
Cardiac arrest
Cardiac arrhythmia
Cardiac tamponade
Cardiogenic shock
Cardiomegaly
Cardiomyopathy
Carpal tunnel syndrome
Cat scratch fever
Cataract
Catarrh
Catatonia
Cauda equina syndrome
Cauliflower ear
Celiac disease
Cellulite
Cellulitis
Cerebral edema
Cerebral palsy
Cervical cancer
Cervical intraepithelial neoplasia
Cervicitis
Chagas disease
Chalazion
Charcot-Marie-Tooth disorder
Charley horse
Cheilitis
Chemical burn
Cherry angioma
Chest infection
Chest pain
Chickenpox
Chikungunya
Chilblains
Childhood obesity
Chills
Chlamydia infection
Choking
Cholangiocarcinoma
Cholangitis
Cholecystitis
Cholera
Cholestasis
Cholesteatoma
Chondromalacia patellae
Choriocarcinoma
Chronic fatigue syndrome
Chronic inflammatory demyelinating polyneuropathy
Chronic lymphocytic leukemia
Chronic myelogenous leukemia
Chronic obstructive pulmonary disease
Chronic pain
Chronic pancreatitis
Chronic renal failure
Chronic venous insufficiency
Cirrhosis
Claudication
Clavicle fracture
Cleft palate
Clostridium difficile colitis
Club foot
Cluster headaches
Coagulopathy
Coarctation of the aorta
Coccidioidomycosis
Coccydynia
Colitis
Colles' fracture
Color blindness
Colorectal cancer
Coma
Comedo
Common cold
Community-acquired pneumonia
Compartment syndrome
Complex regional pain syndrome
Compulsive behavior
Compulsive hoarding
Concussion
Conduct disorder
Conductive hearing loss
Congenital adrenal hyperplasia
Congenital heart defects in children
Congenital rubella syndrome
Conjoined twins
Conjunctivitis
Connective tissue disease
Constipation
Contact dermatitis
Contractions
Conversion disorder
Convulsion
Corn
Corneal abrasion
Coronary artery disease
Coronavirus disease 2019 (COVID-19)
Corticobasal degeneration
Costochondritis
Cough
Cradle cap
Cramp
Craniosynostosis
Crepitus
Creutzfeldt-Jakob disease
Crohn's disease
Croup
Crying
Cryptorchidism
Cushing syndrome
Cutaneous leishmaniasis
Cyanosis
Cyclothymia
Cyst
Cystic fibrosis
Cysticercosis
Cystocele
D
Dairy allergy
Dandy-Walker syndrome
De Quervain syndrome
Deafness
Deep vein thrombosis
Deformity
Degenerative changes in the spine: Is this arthritis?
Dehydration
Delirium
Delirium tremens
Delusion
Dementia
Demyelinating disease
Dengue fever
Dental abscess
Dental caries
Dental plaque
Depersonalization
Depression
Dermatitis
Dermatitis herpetiformis
Dermatographic urticaria
Dermatomyositis
Dermoid cyst
Desquamation
Developmental coordination disorder
DiGeorge syndrome
Diabetes insipidus
Diabetes mellitus
Diabetic foot ulcer
Diabetic ketoacidosis
Diabetic neuropathy
Diabetic retinopathy
Diarrhea
Diarrhea
Diastasis recti
Diastolic heart failure
Dieting
Diffuse large B-cell lymphoma
Dilated cardiomyopathy
Diphtheria
Diplopia
Dislocated shoulder
Dislocation of hip
Disseminated intravascular coagulation
Dissociation
Dissociative identity disorder
Distal radius fracture
Diverticulitis
Diverticulosis
Diverticulum
Dizziness
Dog attack
Down syndrome
Dracunculiasis
Drooling
Drowning
Drug withdrawal
Dryness
Duchenne muscular dystrophy
Ductal carcinoma
Dupuytren's contracture
Dwarfism
Dysarthria
Dysautonomia
Dysentery
Dysgeusia
Dyshidrosis
Dyshidrotic eczema
Dyskinesia
Dyslexia
Dyslipidemia
Dysmenorrhea
Dyspareunia
Dysphagia
Dysphasia
Dysphonia
Dysphoria
Dyspnea
Dysthymia
Dystonia
Dysuria
E
Ear pain
Ebola
Ecchymosis
Eclampsia
Ectopic pregnancy
Edema
Edwards syndrome
Egg allergy
Ehlers-Danlos syndrome
Elbow pain
Electric shock
Elephantiasis
Emaciation
Embolic stroke
Embolism
Encephalitis
Encephalopathy
Encopresis
Endocarditis
Endometrial cancer
Endometrial polyp
Endometriosis
Enuresis
Eosinophilia
Eosinophilic esophagitis
Ephelides
Epidermoid cyst
Epidermolysis bullosa
Epididymitis
Epidural hematoma
Epiglottitis
Epilepsy
Erectile dysfunction
Eructation
Erysipelas
Erythema
Erythema multiforme minor
Erythema nodosum
Erythrophobia
Eschar
Esophageal cancer
Esophageal varices
Esophagitis
Essential tremor
Euphoria
Ewing sarcoma
Exanthem
Exophthalmos
Exudate
Eye pain
Eye twitching
F
Factor V Leiden
False pregnancy
Farsighted
Fasciculation
Fatigue
Fatty liver disease
Fear
Febrile seizure
Fecal impaction
Fetal alcohol syndrome
Fever
Fever of unknown origin
Fibroadenoma
Fibrocystic breast disease
Fibroma
Fibromyalgia
Fibrosis
Fibrosis
Fifth disease
Filariasis
First trimester pregnancy
Fissure of nipple
Fistula
Flaccid paralysis
Flat feet
Flatulence
Floaters
Flushed skin
Follicular lymphoma
Folliculitis
Food allergy
Food craving
Food intolerance
Food poisoning
Foodborne trematodiases
Foot drop
Foot pain
Fragile X syndrome
Frequent urination
Frey's syndrome
Frostbite
Furuncle
G
G6PD deficiency
Galactosemia
Gallbladder disease
Gallstone
Ganglion cyst
Gangrene
Gastric dumping syndrome
Gastritis
Gastroenteritis
Gastroesophageal reflux disease
Gastrointestinal perforation
Gastrointestinal stromal tumor
Gastroparesis
Gastroschisis
Gaucher's disease
Generalized anxiety disorder
Genital herpes
Genital wart
Genu varum
Geographic tongue
Gestational diabetes
Giardia
Gigantism
Gilbert's syndrome
Gingivitis
Glaucoma
Glioblastoma multiforme
Glioma
Globus pharyngis
Glomerulonephritis
Glossitis
Glossodynia
Gluten sensitivity
Goiter
Golfer's elbow
Gonorrhea
Gout
Graft vs host disease
Grand mal seizure
Granuloma
Granuloma annulare
Graves' disease
Group A streptococcal infection
Group B streptococcal infection
Growing pains
Guillain-Barre syndrome
Guilt
Guttate psoriasis
Gynecomastia
H
HELLP syndrome
Hair loss
Hairy tongue
Halitosis
Hallucination
Hamartoma
Hammer toe
Hand, foot and mouth disease
Hangover
Hantavirus
Harlequin-type ichthyosis
Hashimoto's thyroiditis
Head and neck cancer
Head lice infestation
Headache
Hearing loss
Heart failure
Heart murmur
Heart valve disease
Heartburn
Heel pain
Heel spur
Hemangioma
Hematemesis
Hematochezia
Hematoma
Hematospermia
Hematuria
Hemiparesis
Hemolysis
Hemolytic anemia
Hemolytic disease of the newborn
Hemophagocytic lymphohistiocytosis
Hemophilia
Hemoptysis
Hemorrhage
Hemorrhagic fever
Hemorrhoids
Henoch-Schönlein purpura
Hepatic encephalopathy
Hepatitis
Hepatitis A
Hepatitis B
Hepatitis C
Hepatocellular carcinoma
Hepatomegaly
Hernia
Herpangina
Herpes labialis
Herpes simplex
Herpes zoster
Heterochromia iridum
Hiatal hernia
Hiccup
Hidradenitis suppurativa
High-functioning autism
Hip dislocation
Hip fracture
Hip pain
Hip tendinitis
Hirschsprung's disease
Hirsutism
Histrionic personality disorder
Hives
Hodgkin's lymphoma
Horner's syndrome
Hostility
Hot flash
Human papillomavirus infection
Humerus fracture
Hunger
Huntington's disease
Hydatid disease
Hydrocele
Hydrocephalus
Hydronephrosis
Hydrops fetalis
Hypercalcemia
Hypercholesterolemia
Hyperdontia
Hyperemesis gravidarum
Hyperemia
Hyperglycemia
Hyperhidrosis
Hyperkalemia
Hyperlipidemia
Hypermobility
Hypernatremia
Hyperparathyroidism
Hyperpigmentation
Hyperplasia
Hypersexuality
Hypersomnia
Hypertension
Hypertensive emergency
Hyperthermia
Hyperthyroidism
Hypertriglyceridemia
Hypertrophic cardiomyopathy
Hypertrophy
Hyperuricemia
Hyperventilation
Hypervolemia
Hypocalcemia
Hypochondriasis
Hypoesthesia
Hypoglycemia
Hypogonadism
Hypokalemia
Hypokinesia
Hyponatremia
Hypoplastic left heart syndrome
Hypospadias
Hypotension
Hypothermia
Hypothyroidism
Hypotonia
Hypovitaminosis D
Hypovolemia
Hypoxemia
Hypoxia
I
Iatrogenesis
Ichthyosis
Idiopathic thrombocytopenia purpura
Ileus
Iliotibial band syndrome
Illness-related jaundice
Impetigo
Impingement syndrome
Impulsivity
Inborn error of metabolism
Indigestion
Infant jaundice
Infarction
Infectious mononucleosis
Infertility
Inflammation
Inflammatory bowel disease
Inflammatory breast cancer
Influenza
Ingrown hair
Inguinal hernia
Insect bites
Insomnia
Insulin resistance
Intellectual disability
Internal bleeding
Interstitial cystitis
Interstitial lung disease
Intertrigo
Intracranial aneurysm
Intrauterine growth restriction
Intussusception
Inverted nipple
Iodine deficiency
Iron deficiency
Iron deficiency anemia
Iron overload
Irregular menstruation
Irritability
Irritable bowel syndrome
Irritant diaper dermatitis
Ischemia
Itchy anus
J
Japanese encephalitis
Jaundice
Jaundice
Jaw pain
Jet lag
Joint dislocation
Joint pain
Juvenile idiopathic arthritis
K
Kaposi's sarcoma
Kawasaki disease
Keloid
Keratitis
Keratoconjunctivitis sicca
Keratoconus
Keratosis pilaris
Ketoacidosis
Kidney pain
Kidney stone
Kleptomania
Klinefelter syndrome
Knee pain
Kwashiorkor
Kyphosis
L
Labyrinthitis
Lactic acidosis
Lactose intolerance
Laryngitis
Lazy eye
Lead poisoning
Learning disability
Left bundle branch block
Left ventricular hypertrophy
Leg pain
Leiomyoma
Leishmaniasis
Leprosy
Leptospirosis
Lesion
Lethargy
Leukemia
Leukocytosis
Leukopenia
Leukoplakia
Leukorrhea
Lichen sclerosus
Lightheadedness
Limp
Lipoma
Listeriosis
Liver cancer
Liver failure
Liver hemangioma
Liver pain
Liver spot
Loneliness
Long QT syndrome
Lordosis
Loss of consciousness
Loss of smell
Low back pain
Lower GI bleed
Lower gastrointestinal bleeding
Lumbar radiculopathy
Lumbar spinal stenosis
Lung cancer
Lupus erythematosus
Lyme disease
Lymphatic filariasis
Lymphedema
Lymphoma
M
MERS
Macular degeneration
Mad cow disease
Magnesium deficiency
Major depression
Malabsorption
Malaise
Malaria
Malignant hyperthermia
Malingering
Malnutrition
Malocclusion
Mammary ductal carcinoma
Mania
Maple syrup urine disease
Marasmus
Marfan syndrome
Mastitis
Mastocytosis
Mastoiditis
Measles
Melancholia
Melanocytic nevus
Melanoma
Melasma
Melena
Meniere's disease
Meningioma
Meningitis
Meningococcal disease
Meningoencephalitis
Menopause
Menorrhagia
Menstrual disorder
Mental confusion
Meralgia paraesthetica
Mesothelioma
Metabolic acidosis
Metabolic alkalosis
Metabolic syndrome
Metatarsalgia
Metatarsophalangeal joint sprain
Metrorrhagia
Micropenis
Middle back pain
Migraine
Milia
Miliaria
Miosis
Miscarriage
Misophonia
Mitochondrial disease
Mitral valve prolapse
Mitral valve regurgitation
Molar pregnancy
Moles
Molluscum contagiosum
Mongolian spot
Mood swing
Morgellons
Morning sickness
Morton's neuroma
Motion sickness
Mouth ulcer
Multiple myeloma
Multiple sclerosis
Mumps
Munchausen syndrome
Munchausen syndrome by proxy
Muscle Spasms
Muscle pain
Muscle soreness
Muscle weakness
Muscular dystrophy
Myasthenia gravis
Mycosis
Mydriasis
Myelodysplastic syndrome
Myelofibrosis
Myelopathy
Myocardial infarction
Myocarditis
Myoclonus
Myofascial pain syndrome
Myopathy
Myopia
Myositis
Myotonic dystrophy
Myxedema
N
Nail clubbing
Narcissism
Narcissistic personality disorder
Narcolepsy
Nasal congestion
Nasal polyps
Nasal septum deviation
Nasopharyngeal carcinoma
Nausea
Neck pain
Necrosis
Necrotizing fasciitis
Needlestick injury
Neonatal acne
Neonatal jaundice
Neonatal respiratory distress syndrome (NRDS)
Neonatal tetanus
Nephritis
Nephrogenic diabetes insipidus
Nephrotic syndrome
Nerve compression syndrome
Nerve injury
Neuralgia
Neuralgia
Neuroblastoma
Neurodegeneration
Neuroendocrine tumor
Neurofibromatosis
Neurogenic bladder dysfunction
Neuroleptic malignant syndrome
Neuromuscular disease
Neuromyelitis optica
Neuropathic arthropathy
Neutropenia
Nicotine withdrawal
Night Sweats
Night terror
Nightmares
Nipple fissure
Nocturia
Nocturnal enuresis
Nodule
Non-Hodgkin lymphoma
Non-small cell lung cancer
Nonalcoholic fatty liver disease
Noonan syndrome
Nosebleed
Nummular dermatitis
Nutrition disorder
Nystagmus
O
Obesity
Obsessive-compulsive disorder
Obstructive sleep apnea
Occipital neuralgia
Odynophagia
Olecranon bursitis
Oliguria
Onchocerciasis
Onychocryptosis
Onychomycosis
Opportunistic infection
Oppositional defiant disorder
Optic neuritis
Oral cancer
Oral candidiasis
Oral mucocele
Orchitis
Orthopnea
Orthostatic hypotension
Osgood-Schlatter disease
Ossification
Osteoarthritis
Osteogenesis imperfecta
Osteomyelitis
Osteoporosis
Osteosarcoma
Otitis
Otitis externa
Otitis media
Ovarian cancer
Ovarian cyst
Ovarian hyperstimulation syndrome
Overactive bladder
Overweight
Ovulation pain
Oxidative stress
P
Paget's disease of bone
Paget's disease of the breast
Pain
Painful bladder syndrome
Pallor
Palpitations
Pancreatic cancer
Pancreatitis
Pancytopenia
Panic
Panic attack
Panic disorder
Papillary thyroid cancer
Papule
Paralysis
Paraneoplastic syndrome
Paranoia
Paraphilia
Paraplegia
Paresis
Paresthesia
Parkinson's disease
Paronychia
Parotitis
Passive-aggressive behavior
Patau syndrome
Patellar tendinitis
Patellofemoral pain syndrome
Patent ductus arteriosus
Pathological laughter and crying
Pathological lying
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