A
- Abdominal aortic aneurysm
- Absence seizure
- Acanthosis nigricans
- Achalasia
- Achilles tendinitis
- Achilles tendon rupture
- ACL injury
- Acne
- Acoustic neuroma
- Acromegaly
- Actinic keratosis
- Acute coronary syndrome
- Acute flaccid myelitis (AFM)
- Acute kidney failure
- Acute liver failure
- Acute lymphocytic leukemia
- Acute myelogenous leukemia
- Acute sinusitis
- Addison’s disease
- Adenomyosis
- Adjustment disorders
- Adrenal cancer
- Adrenoleukodystrophy
- Adult attention-deficit/hyperactivity disorder (ADHD)
- Adult Still’s disease
- Age spots (liver spots)
- Agoraphobia
- Airplane ear
- Albinism
- Alcohol intolerance
- Alcohol poisoning
- Alcohol use disorder
- Alcoholic hepatitis
- Allergies
- Alpha-gal syndrome
- Alzheimer’s disease
- Ambiguous genitalia
- Ameloblastoma
- Amenorrhea
- Amnesia
- Amniotic fluid embolism
- Ampullary cancer
- Amyloidosis
- Amyotrophic lateral sclerosis (ALS)
- Anal cancer
- Anal fissure
- Anal itching
- Anaphylaxis
- Anemia
- Angelman syndrome
- Angina
- Angiosarcoma
- Anhidrosis
- Ankylosing spondylitis
- Anorexia nervosa
- Anorgasmia in women
- Anterior prolapse (cystocele)
- Anterior vaginal prolapse (cystocele)
- Anthrax
- Antibiotic-associated diarrhea
- Antiphospholipid syndrome
- Antisocial personality disorder
- Anxiety disorders
- Aortic valve disease
- Aortic valve regurgitation
- Aortic valve stenosis
- Aphasia
- Aplastic anemia
- Appendicitis
- ARDS
- Arteriosclerosis / atherosclerosis
- Arteriovenous fistula
- Arteriovenous malformation
- Arthritis
- Asbestosis
- Ascariasis
- Aspergillosis
- Asthma
- Asthma attack
- Astigmatism
- Astrocytoma
- Ataxia
- Atelectasis
- Athlete’s foot
- Atopic dermatitis (eczema)
- Atrial fibrillation
- Atrial septal defect (ASD)
- Atrial tachycardia
- Atrioventricular canal defect
- Atrioventricular nodal reentry tachycardia (AVNRT)
- Attention-deficit/hyperactivity disorder (ADHD) in children
- Atypical depression
- Atypical hyperplasia of the breast
- Autism spectrum disorder
- Autoimmune hepatitis
- Autoimmune pancreatitis
- Autonomic neuropathy
- Avascular necrosis
B
- Baby acne
- Back pain
- Bacterial vaginosis
- Bad breath
- Bags under eyes
- Baker’s cyst
- Balance problems
- Barrett’s esophagus
- Bartholin’s cyst
- Basal cell carcinoma
- Bed-wetting
- Bedbugs
- Bedsores (pressure ulcers)
- Bee sting
- Behcet’s disease
- Bell’s palsy
- Benign paroxysmal positional vertigo (BPPV)
- Benign peripheral nerve tumor
- Benign prostatic hyperplasia (BPH)
- Bicuspid aortic valve
- Bile reflux
- Binge-eating disorder
- Bipolar disorder
- Bird flu (avian influenza)
- Black hairy tongue
- Bladder cancer
- Bladder exstrophy
- Bladder stones
- Blastocystis hominis
- Blepharitis
- Blocked tear duct
- Blood in urine (hematuria)
- Body dysmorphic disorder
- Body lice
- Boils and carbuncles
- Bone cancer
- Bone metastasis
- Bone spurs
- Borderline personality disorder
- Botulism
- Brachial plexus injury
- Bradycardia
- Brain aneurysm
- Brain AVM (arteriovenous malformation)
- Brain metastases
- Brain tumor
- Breast cancer
- Breast cysts
- Breast pain
- Broken ankle
- Broken arm
- Broken collarbone
- Broken foot
- Broken hand
- Broken heart syndrome
- Broken leg
- Broken nose
- Broken ribs
- Broken toe
- Broken wrist
- Bronchiolitis
- Bronchitis
- Brucellosis
- Brugada syndrome
- Bruxism (teeth grinding)
- Buerger’s disease
- Bulimia nervosa
- Bullous pemphigoid
- Bunions
- Burning mouth syndrome
- Burns
- Bursitis
C
- C. difficile infection
- Calciphylaxis
- Cancer
- Canker sore
- Carbon monoxide poisoning
- Carcinoid syndrome
- Carcinoid tumors
- Carcinoma of unknown primary
- Cardiomyopathy
- Carotid artery disease
- Carpal tunnel syndrome
- Castleman disease
- Cataracts
- Cavernous malformations
- Cavities/tooth decay
- Celiac disease
- Cellulite
- Cellulitis
- Central sleep apnea
- Cerebral palsy
- Cervical cancer
- Cervical dystonia
- Cervical spondylosis
- Cervicitis
- Chagas disease
- Charcot-Marie-Tooth disease
- Chemo brain
- Chest pain
- Chickenpox
- Chilblains
- Child abuse
- Childhood apraxia of speech
- Childhood asthma
- Childhood obesity
- Childhood schizophrenia
- Chlamydia trachomatis
- Cholangiocarcinoma (bile duct cancer)
- Cholecystitis
- Cholera
- Cholestasis of pregnancy
- Chondrosarcoma
- Chordoma
- Choroid plexus carcinoma
- Chronic cough
- Chronic daily headaches
- Chronic exertional compartment syndrome
- Chronic fatigue syndrome
- Chronic granulomatous disease
- Chronic hives
- Chronic kidney disease
- Chronic lymphocytic leukemia
- Chronic myelogenous leukemia
- Chronic pelvic pain in women
- Chronic sinusitis
- Chronic traumatic encephalopathy
- Churg-Strauss syndrome
- Cirrhosis
- Claudication
- Cleft lip and cleft palate
- Clubfoot
- Cluster headache
- Coarctation of the aorta
- Cold sore
- Cold urticaria
- Colic
- Colon cancer
- Colon polyps
- Color blindness
- Coma
- Common cold
- Common cold in babies
- Common warts
- Complex regional pain syndrome
- Complicated grief
- Compulsive gambling
- Compulsive sexual behavior
- Concussion
- Congenital adrenal hyperplasia
- Congenital heart defects in children
- Congenital heart disease in adults
- Congenital mitral valve anomalies
- Congenital myopathies
- Conjoined twins
- Constipation
- Constipation in children
- Contact dermatitis
- Convergence insufficiency
- COPD
- Corns and calluses
- Coronary artery disease
- Coronavirus disease 2019 (COVID-19)
- Corticobasal degeneration
- Corticobasal degeneration (corticobasal syndrome)
- Costochondritis
- Cough headaches
- Cradle cap
- Craniopharyngioma
- Craniosynostosis
- Creutzfeldt-Jakob disease
- Crohn’s disease
- Croup
- Cryoglobulinemia
- CSF leak (Cerebrospinal fluid leak)
- Cushing syndrome
- Cutaneous B-cell lymphoma
- Cutaneous T-cell lymphoma
- Cyclic vomiting syndrome
- Cyclospora infection
- Cyclothymia (cyclothymic disorder)
- Cystic fibrosis
- Cystitis
- Cytomegalovirus (CMV) infection
D
- Dandruff
- De Quervain’s tenosynovitis
- Deep vein thrombosis (DVT)
- Dehydration
- Delayed ejaculation
- Delayed sleep phase
- Delirium
- Dementia
- Dengue fever
- Depersonalization-derealization disorder
- Depression (major depressive disorder)
- Dermatitis
- Dermatofibrosarcoma protuberans
- Dermatographia
- Dermatomyositis
- Desmoid tumors
- Deviated septum
- Diabetes
- Diabetes insipidus
- Diabetic coma
- Diabetic hyperosmolar syndrome
- Diabetic hypoglycemia
- Diabetic ketoacidosis
- Diabetic nephropathy (kidney disease)
- Diabetic neuropathy
- Diabetic retinopathy
- Diaper rash
- Diarrhea
- Diffuse idiopathic skeletal hyperostosis (DISH)
- DiGeorge syndrome (22q11.2 deletion syndrome)
- Dilated cardiomyopathy
- Diphtheria
- Dislocated elbow
- Dislocated shoulder
- Dissociative disorders
- Diverticulitis
- Dizziness
- Double uterus
- Double-outlet right ventricle
- Down syndrome
- Dressler syndrome
- Drug addiction (substance use disorder)
- Drug allergy
- Dry eyes
- Dry macular degeneration
- Dry mouth
- Dry skin
- Dry socket
- Ductal carcinoma in situ (DCIS)
- Dumping syndrome
- Dupuytren’s contracture
- Dural arteriovenous fistulas
- Dust mite allergy
- Dwarfism
- Dysarthria
- Dyshidrosis
- Dyslexia
- Dysphagia
- Dystonia
E
- E. coli
- Ear infection (middle ear)
- Earwax blockage
- Eating disorders
- Ebola virus and Marburg virus
- Ebstein anomaly
- Ectopic pregnancy
- Ectropion
- Edema
- Egg allergy
- Ehlers-Danlos syndrome
- Ehrlichiosis and anaplasmosis
- Eisenmenger syndrome
- Elevated blood pressure
- Embryonal tumors
- Emphysema
- Encephalitis
- Encopresis
- End-stage renal disease
- Endocarditis
- Endometrial cancer
- Endometriosis
- Enlarged breasts in men (gynecomastia)
- Enlarged heart
- Enlarged liver
- Enlarged spleen (splenomegaly)
- Entropion
- Eosinophilic esophagitis
- Ependymoma
- Epidermoid cysts
- Epidermolysis bullosa
- Epididymitis
- Epiglottitis
- Epilepsy
- Epithelioid sarcoma
- Erectile dysfunction
- Esophageal cancer
- Esophageal spasms
- Esophageal varices
- Esophagitis
- Essential thrombocythemia
- Essential tremor
- Esthesioneuroblastoma
- Ewing sarcoma
- Exercise headaches
- Exercise-induced asthma
- Eye floaters
- Eye melanoma
- Eyestrain
F
- Factitious disorder
- Factor V Leiden
- Familial adenomatous polyposis
- Familial hypercholesterolemia
- Familial Mediterranean fever
- Farsightedness
- Febrile seizure
- Fecal incontinence
- Female infertility
- Female sexual dysfunction
- Fetal alcohol syndrome
- Fetal macrosomia
- Fever
- Fibroadenoma
- Fibrocystic breasts
- Fibromuscular dysplasia
- Fibromyalgia
- Fibrous dysplasia
- Flatfeet
- Floor of the mouth cancer
- Folliculitis
- Food allergy
- Food poisoning
- Foot drop
- Frontal lobe seizures
- Frontotemporal dementia
- Frostbite
- Frozen shoulder
- Fuchs’ dystrophy
- Functional dyspepsia
- Functional neurologic disorder/conversion disorder
G
- Galactorrhea
- Gallbladder cancer
- Gallstones
- Ganglion cyst
- Gangrene
- Gas and gas pains
- Gastritis
- Gastroesophageal reflux disease (GERD)
- Gastrointestinal bleeding
- Gastrointestinal stromal tumor (GIST)
- Gastroparesis
- Gaucher disease
- Gender dysphoria
- Generalized anxiety disorder
- Genital herpes
- Genital warts
- Geographic tongue
- Gestational diabetes
- Giant cell arteritis
- Giardia infection (giardiasis)
- Gilbert’s syndrome
- Gingivitis
- Glaucoma
- Glioblastoma
- Glioma
- Glomerulonephritis
- Goiter
- Golfer’s elbow
- Gonorrhea
- Gout
- Grand mal seizure
- Granuloma annulare
- Granulomatosis with polyangiitis
- Graves’ disease
- Greenstick fractures
- Group B strep disease
- Growing pains
- Growth plate fractures
- Guillain-Barre syndrome
H
- H1N1 flu (swine flu)
- Hair loss
- Hairy cell leukemia
- Hammertoe and mallet toe
- Hamstring injury
- Hand-foot-and-mouth disease
- Hangovers
- Hantavirus pulmonary syndrome
- Hashimoto’s disease
- Hay fever
- Head lice
- Headaches in children
- Hearing loss
- Heart arrhythmia
- Heart attack
- Heart disease
- Heart failure
- Heart murmurs
- Heart palpitations
- Heart valve disease
- Heartburn
- Heat exhaustion
- Heat rash
- Heatstroke
- Helicobacter pylori (H. pylori) infection
- Hemangioma
- Hemifacial spasm
- Hemochromatosis
- Hemolytic uremic syndrome (HUS)
- Hemophilia
- Hemorrhoids
- Henoch-Schonlein purpura
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Hepatocellular carcinoma
- Hepatopulmonary syndrome
- Herniated disk
- Hiatal hernia
- Hiccups
- Hidradenitis suppurativa
- High blood pressure (hypertension)
- High blood pressure in children
- High cholesterol
- Hilar cholangiocarcinoma
- Hip dysplasia
- Hip fracture
- Hip labral tear
- Hirschsprung’s disease
- Hirsutism
- Histoplasmosis
- HIV/AIDS
- Hives and angioedema
- Hoarding disorder
- Hodgkin’s lymphoma (Hodgkin’s disease)
- Horner syndrome
- Hot flashes
- HPV infection
- Huntington’s disease
- Hurthle cell cancer
- Hydrocele
- Hydrocephalus
- Hydronephrosis
- Hypercalcemia
- Hypereosinophilic syndrome
- Hyperglycemia in diabetes
- Hyperhidrosis
- Hyperoxaluria and oxalosis
- Hyperparathyroidism
- Hyperthyroidism (overactive thyroid)
- Hypertrophic cardiomyopathy
- Hypoglycemia
- Hyponatremia
- Hypoparathyroidism
- Hypopituitarism
- Hypoplastic left heart syndrome
- Hypospadias
- Hypothermia
- Hypothyroidism (underactive thyroid)
I
- Ice cream headaches
- Ichthyosis vulgaris
- Idiopathic hypersomnia
- IgA nephropathy (Berger’s disease)
- Illness anxiety disorder
- Immune thrombocytopenia (ITP)
- Impacted wisdom teeth
- Impetigo
- Incompetent cervix
- Indigestion
- Infant jaundice
- Infant reflux
- Infectious diseases
- Infertility
- Inflammatory bowel disease (IBD)
- Inflammatory breast cancer
- Influenza (flu)
- Ingrown hair
- Ingrown toenails
- Inguinal hernia
- Insomnia
- Intermittent explosive disorder
- Interstitial cystitis
- Interstitial lung disease
- Intestinal ischemia
- Intestinal obstruction
- Intracranial hematoma
- Intracranial venous malformations
- Intussusception
- Invasive lobular carcinoma
- Iritis
- Iron deficiency anemia
- Irritable bowel syndrome
- Ischemic colitis
- Itchy skin (pruritus)
K
- Kaposi’s sarcoma
- Kawasaki disease
- Keloid scar
- Keratitis
- Keratoconus
- Keratosis pilaris
- Kidney cancer
- Kidney cysts
- Kidney infection
- Kidney stones
- Kleptomania
- Klinefelter syndrome
- Klippel-Trenaunay syndrome
- Knee bursitis
- Knee pain
- Krabbe disease
- Kyphosis
L
- Lactose intolerance
- Laryngitis
- Latex allergy
- Lazy eye (amblyopia)
- Lead poisoning
- Left ventricular hypertrophy
- Legg-Calve-Perthes disease
- Legionnaires’ disease
- Leiomyosarcoma
- Leukemia
- Leukoplakia
- Lewy body dementia
- Lice
- Lichen nitidus
- Lichen planus
- Lichen sclerosus
- Lip cancer
- Lipoma
- Liposarcoma
- Listeria infection
- Liver cancer
- Liver disease
- Liver hemangioma
- Lobular carcinoma in situ (LCIS)
- Long QT syndrome
- Low blood pressure (hypotension)
- Low sex drive in women
- Low sperm count
- Lung cancer
- Lupus
- Lupus nephritis
- Lyme disease
- Lymphedema
- Lymphoma
- Lynch syndrome
M
- Malaria
- Male breast cancer
- Male hypogonadism
- Male infertility
- Malignant hyperthermia
- Malignant peripheral nerve sheath tumors
- Mammary duct ectasia
- Marfan syndrome
- Mastitis
- MCAD deficiency
- Measles
- Median arcuate ligament syndrome (MALS)
- Medication overuse headaches
- Medulloblastoma
- Melanoma
- Membranous nephropathy
- Meniere’s disease
- Meningioma
- Meningitis
- Menopause
- Menorrhagia (heavy menstrual bleeding)
- Menstrual cramps
- Mental illness
- Meralgia paresthetica
- Merkel cell carcinoma
- Mesenteric ischemia
- Mesenteric lymphadenitis
- Mesothelioma
- Metabolic syndrome
- Metachromatic leukodystrophy
- Metatarsalgia
- Microcephaly
- Microscopic colitis
- Migraine
- Migraine with aura
- Mild cognitive impairment (MCI)
- Milia
- Milk allergy
- Miscarriage
- Mitral valve disease
- Mitral valve prolapse
- Mitral valve regurgitation
- Mitral valve stenosis
- Mittelschmerz
- Mixed connective tissue disease
- Molar pregnancy
- Mold allergy
- Moles
- Molluscum contagiosum
- Monoclonal gammopathy of undetermined significance (MGUS)
- Mononucleosis
- Mood disorders
- Morning sickness
- Morphea
- Morton’s neuroma
- Mosquito bites
- Mouth cancer
- Moyamoya disease
- MRSA infection
- Multiple endocrine neoplasia, type 1 (MEN 1)
- Multiple myeloma
- Multiple sclerosis
- Multiple system atrophy (MSA)
- Multisystem inflammatory syndrome in children (MIS-C) and COVID-19
- Mumps
- Muscle cramp
- Muscle strains
- Muscular dystrophy
- Myasthenia gravis
- Myelodysplastic syndromes
- Myelofibrosis
- Myocarditis
- Myoclonus
- Myofascial pain syndrome
- Myxofibrosarcoma
N
- Naegleria infection
- Nail fungus
- Narcissistic personality disorder
- Narcolepsy
- Nasal and paranasal tumors
- Nasal polyps
- Nasopharyngeal carcinoma
- Nearsightedness
- Neck pain
- Nephrogenic systemic fibrosis
- Nephrotic syndrome
- Neuroblastoma
- Neurodermatitis
- Neuroendocrine tumors
- Neurofibroma
- Neurofibromatosis
- Neuromyelitis optica
- Nickel allergy
- Nicotine dependence
- Niemann-Pick
- Nightmare disorder
- Non-Hodgkin’s lymphoma
- Nonalcoholic fatty liver disease
- Nonallergic rhinitis
- Nonmelanoma skin cancer
- Noonan syndrome
- Norovirus infection
O
- Obesity
- Obsessive-compulsive disorder (OCD)
- Obstructive sleep apnea
- Occupational asthma
- Ocular rosacea
- Oligodendroglioma
- Oppositional defiant disorder (ODD)
- Optic neuritis
- Oral lichen planus
- Oral thrush
- Orchitis
- Orthostatic hypotension (postural hypotension)
- Osteoarthritis
- Osteochondritis dissecans
- Osteomalacia
- Osteomyelitis
- Osteoporosis
- Osteosarcoma
- Ovarian cancer
- Ovarian cysts
- Ovarian hyperstimulation syndrome
- Overactive bladder
P
- Paget’s disease of bone
- Paget’s disease of the breast
- Painful intercourse (dyspareunia)
- Pancreatic cancer
- Pancreatic cysts
- Pancreatic neuroendocrine tumors
- Pancreatitis
- Panic attacks and panic disorder
- Paraganglioma
- Paraneoplastic syndromes of the nervous system
- Parkinson’s disease
- Parotid tumors
- Partial anomalous pulmonary venous return
- Parvovirus infection
- Patellar tendinitis
- Patellofemoral pain syndrome
- Patent ductus arteriosus (PDA)
- Patent foramen ovale
- Peanut allergy
- Pectus carinatum
- Pectus excavatum
- Pediatric brain tumors
- Pediatric obstructive sleep apnea
- Pediatric thrombocytopenia
- Pelvic inflammatory disease (PID)
- Pemphigus
- Penicillin allergy
- Peptic ulcer
- Pericardial effusion
- Pericarditis
- Perimenopause
- Periodontitis
- Peripheral artery disease (PAD)
- Peripheral nerve injuries
- Peripheral nerve tumors
- Peripheral neuropathy
- Peritonitis
- Persistent depressive disorder (dysthymia)
- Persistent post-concussive symptoms (Post-concussion syndrome)
- Personality disorders
- Pet allergy
- Peyronie’s disease
- Phantom pain
- Phenylketonuria (PKU)
- Pheochromocytoma
- Pilonidal cyst
- Pinched nerve
- Pineoblastoma
- Pink eye (conjunctivitis)
- Pinworm infection
- Pituitary tumors
- Pityriasis rosea
- Placenta accreta
- Placenta previa
- Placental abruption
- Plague
- Plantar fasciitis
- Plantar warts
- Pleurisy
- Pneumonia
- Pneumonitis
- Pneumothorax
- Poison ivy rash
- Polio
- Polycystic kidney disease
- Polycystic ovary syndrome (PCOS)
- Polycythemia vera
- Polyhydramnios
- Polymorphous light eruption
- Polymyalgia rheumatica
- Polymyositis
- Popliteal artery entrapment syndrome
- Porphyria
- Post-polio syndrome
- Post-traumatic stress disorder (PTSD)
- Post-vasectomy pain syndrome
- Posterior cortical atrophy
- Posterior cruciate ligament injury
- Posterior vaginal prolapse (rectocele)
- Postherpetic neuralgia
- Postpartum depression
- Postpartum preeclampsia
- Prader-Willi syndrome
- Precocious puberty
- Prediabetes
- Preeclampsia
- Premature birth
- Premature ejaculation
- Premature ventricular contractions (PVCs)
- Premenstrual syndrome (PMS)
- Presbyopia
- Prescription drug abuse
- Preterm labor
- Priapism
- Primary biliary cholangitis
- Primary immunodeficiency
- Primary lateral sclerosis (PLS)
- Primary ovarian insufficiency
- Primary progressive aphasia
- Primary sclerosing cholangitis
- Proctitis
- Progeria
- Progressive supranuclear palsy
- Prolactinoma
- Prostate cancer
- Prostatitis
- Pseudobulbar affect
- Pseudocholinesterase deficiency
- Pseudogout
- Pseudomembranous colitis
- Pseudotumor cerebri (idiopathic intracranial hypertension)
- Psoriasis
- Psoriatic arthritis
- Pubic lice (crabs)
- Pulmonary atresia
- Pulmonary atresia with intact ventricular septum
- Pulmonary atresia with ventricular septal defect
- Pulmonary atresia with ventricular septum defect
- Pulmonary edema
- Pulmonary embolism
- Pulmonary fibrosis
- Pulmonary hypertension
- Pulmonary valve stenosis
- Pyloric stenosis
- Pyoderma gangrenosum
R
- Rabies
- Radiation enteritis
- Radiation sickness
- Ramsay Hunt syndrome
- Raynaud’s disease
- Reactive arthritis
- Reactive attachment disorder
- Rectal cancer
- Rectal prolapse
- Rectovaginal fistula
- Recurrent breast cancer
- REM sleep behavior disorder
- Renal artery stenosis
- Residual limb pain
- Respiratory syncytial virus (RSV)
- Restless legs syndrome
- Retinal detachment
- Retinal diseases
- Retinoblastoma
- Retractile testicle
- Retrograde ejaculation
- Rett syndrome
- Reye’s syndrome
- Rhabdomyosarcoma
- Rheumatoid arthritis
- Rickets
- Ringworm (body)
- Ringworm (scalp)
- Rocky Mountain spotted fever
- Rosacea
- Roseola
- Rotator cuff injury
- Rotavirus
- Rubella
- Rumination syndrome
- Ruptured eardrum (perforated eardrum)
- Ruptured spleen
S
- Sacral dimple
- Sacroiliitis
- Salivary gland tumors
- Salmonella infection
- Sarcoidosis
- Sarcoma
- Scabies
- Scarlet fever
- Schizoaffective disorder
- Schizoid personality disorder
- Schizophrenia
- Schizotypal personality disorder
- Schwannoma
- Sciatica
- Scleroderma
- Sclerosing mesenteritis
- Scoliosis
- Scorpion sting
- Scrotal masses
- Seasonal affective disorder (SAD)
- Sebaceous carcinoma
- Seborrheic dermatitis
- Seborrheic keratosis
- Secondary hypertension
- Seizures
- Self-injury/cutting
- Separation anxiety disorder
- Sepsis
- Septic arthritis
- Serotonin syndrome
- Severe acute respiratory syndrome (SARS)
- Sex headaches
- Sexually transmitted diseases (STDs)
- Shaken baby syndrome
- Sheehan’s syndrome
- Shellfish allergy
- Shigella infection
- Shin splints
- Shingles
- Short bowel syndrome
- Sick sinus syndrome
- Sickle cell anemia
- Sinus headaches
- Sjogren’s syndrome
- Skin cancer
- Sleep apnea
- Sleep terrors (night terrors)
- Sleepwalking
- Small bowel cancer
- Small bowel prolapse (enterocele)
- Small intestinal bacterial overgrowth (SIBO)
- Small vessel disease
- Smallpox
- Snoring
- Social anxiety disorder (social phobia)
- Soft palate cancer
- Soft tissue sarcoma
- Solitary fibrous tumor
- Solitary rectal ulcer syndrome
- Somatic symptom disorder
- Sore throat
- Soy allergy
- Specific phobias
- Spermatocele
- Spider bites
- Spina bifida
- Spinal arteriovenous malformation (AVM)
- Spinal cord injury
- Spinal cord tumor
- Spinal headaches
- Spinal stenosis
- Spontaneous coronary artery dissection (SCAD)
- Sprained ankle
- Sprains
- Squamous cell carcinoma of the skin
- Stage 4 prostate cancer
- Staph infections
- Stevens-Johnson syndrome
- Stickler syndrome
- Stomach cancer
- Stomach polyps
- Strep throat
- Stress fractures
- Stress incontinence
- Stroke
- Stuttering
- Sty
- Subarachnoid hemorrhage
- Subconjunctival hemorrhage (broken blood vessel in eye)
- Sudden infant death syndrome (SIDS)
- Suicide and suicidal thoughts
- Sun allergy
- Sunburn
- Supraventricular tachycardia
- Suspicious breast lumps
- Sweating and body odor
- Sweet’s syndrome
- Swimmer’s itch
- Swollen knee
- Swollen lymph nodes
- Synovial sarcoma
- Syphilis
- Syringomyelia
- Systemic capillary leak syndrome
- Systemic mastocytosis
T
- Tachycardia
- Takayasu’s arteritis
- Tapeworm infection
- Tay-Sachs disease
- Teen depression
- Temporal lobe seizure
- TEN
- Tendinitis
- Tennis elbow
- Tension headache
- Testicular cancer
- Testicular torsion
- Tetanus
- Tetralogy of Fallot
- Thalassemia
- Thoracic aortic aneurysm
- Thoracic outlet syndrome
- Throat cancer
- Thrombocytopenia (low platelet count)
- Thrombocytosis
- Thrombophlebitis
- Thumb arthritis
- Thunderclap headaches
- Thyroid cancer
- Thyroid nodules
- Tinea versicolor
- Tinnitus
- TMJ disorders
- Toe walking in children
- Tongue cancer
- Tongue-tie (ankyloglossia)
- Tonsil cancer
- Tonsillitis
- Tooth abscess
- Torn meniscus
- Total anomalous pulmonary venous return (TAPVR)
- Tourette syndrome
- Toxic hepatitis
- Toxic shock syndrome
- Toxoplasmosis
- Trachoma
- Transient global amnesia
- Transient ischemic attack (TIA)
- Transposition of the great arteries
- Transverse myelitis
- Traumatic brain injury
- Traveler’s diarrhea
- Trichinosis
- Trichomoniasis
- Trichotillomania (hair-pulling disorder)
- Tricuspid atresia
- Tricuspid valve regurgitation
- Trigeminal neuralgia
- Trigger finger
- Triple X syndrome
- Truncus arteriosus
- Tuberculosis
- Tuberous sclerosis
- Tularemia
- Turner syndrome
- Type 1 diabetes
- Type 1 diabetes in children
- Type 2 diabetes
- Type 2 diabetes in children
- Typhoid fever
U
- Ulcerative colitis
- Umbilical hernia
- Undescended testicle
- Undifferentiated pleomorphic sarcoma
- Ureteral cancer
- Ureteral obstruction
- Urethral stricture
- Urinary incontinence
- Urinary tract infection (UTI)
- Urine color
- Uterine fibroids
- Uterine polyps
- Uterine prolapse
- Uveitis
V
- Vaginal agenesis
- Vaginal atrophy
- Vaginal cancer
- Vaginitis
- Valley fever
- Varicocele
- Varicose veins
- Vascular dementia
- Vascular rings
- Vasculitis
- Vasovagal syncope
- Ventricular fibrillation
- Ventricular septal defect (VSD)
- Ventricular tachycardia
- Vertebral tumor
- Vesicoureteral reflux
- Viral gastroenteritis (stomach flu)
- Viral hemorrhagic fevers
- Vitamin deficiency anemia
- Vitiligo
- Vocal cord paralysis
- Voice disorders
- Von Willebrand disease
- Vulvar cancer
- Vulvodynia
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