Conditions A–Z
A
- Abdominal aortic aneurysm (dilation)
- Abdominal swelling
- Abdominal trauma
- Abrasions
- Absence seizures (petit mal seizures)
- AC (acromioclavicular) joint separation
- ACE inhibitor use (blood pressure and heart failure medication)
- Acetaminophen (Tylenol) overdose
- Acetaminophen (Tylenol) poisoning
- Achilles tendon rupture (tear)
- Achilles tendonitis (tendon inflammation)
- Acid (LSD) abuse
- Acidosis (abnormal blood chemistry)
- ACL (anterior cruciate ligament) injury
- Acne (pimples)
- Acoustic neuroma (nerve tumor)
- Actinic keratosis
- Acute angle closure glaucoma
- Acute fatty liver of pregnancy
- Acute lymphocytic leukemia (ALL)
- Acute myelogenous leukemia (AML)
- Addison's disease (adrenal insufficiency)
- Addisonian crisis (acute adrenal crisis)
- Adenoiditis (lymph node inflammation)
- Adenovirus infection (virus infection)
- Adhesive capsulitis of shoulder (frozen shoulder)
- Adjustment disorder
- Alcohol (ethanol) intoxication
- Alcohol (ethanol) overuse
- Alcohol (ethanol) poisoning (overdose)
- Alcohol withdrawal syndrome
- Alcoholic ketoacidosis
- Alcoholism
- Allergic conjunctivitis (eye itching, swelling)
- Allergic reaction
- Allergic rhinitis (runny nose)
- Allergy
- Alopecia areata (hair loss)
- Altered mental status (confusion)
- Altitude illness
- Alzheimer's disease
- Amaurosis fugax (vision loss)
- Amebiasis (ameba infection)
- Amphetamine abuse
- Amphetamine overdose
- Amyotrophic lateral sclerosis (ALS)
- Anal cancer
- Anal fissure (tear)
- Anaphylactoid reactions (pseudo allergic reaction)
- Anaphylaxis (severe allergic reaction)
- Anemia (low red blood cell count)
- Angiodysplasia of the GI tract
- Angioedema (swelling of skin, lips, eyes)
- Ankle fracture
- Ankle laceration (cut in skin)
- Ankle sprain
- Ankle swelling
- Ankylosing spondylitis (spine arthritis)
- Anopheles mosquito bite
- Anorectal (perirectal) abscess
- Anorexia (eating disorder)
- Anorexia nervosa (eating disorder)
- Ant bite
- Anthrax
- Anticholinergic overdose
- Antidepressant overdose
- Anxiety
- Anxiety disorder
- Aortic regurgitation (aortic insufficiency)
- Aortic valve stenosis (heart valve defect)
- Aphthous stomatitis (mouth ulcers, oral ulcers)
- Aphthous ulcers (oral ulcers, aphthous stomatitis)
- Aplastic anemia (failed bone marrow)
- Aponeurotic ptosis (age-related ptosis)
- Appendicitis
- Arm laceration (skin cut)
- Arm swelling
- Arrhythmia (abnormal heart rhythm)
- Arteriovenous (AVM) malformation
- Arthritis (joint swelling)
- Ascites
- Aseptic joint effusion (fluid in joint)
- Aseptic necrosis (death) of bone
- Asperger's syndrome
- Aspiration pneumonia
- Aspirin (salicylates) overdose
- Asthma
- Astigmatism (vision defect)
- Astrocytoma (brain tumor glioma)
- Atherosclerosis
- Athlete's foot (tinea pedis)
- Atopic dermatitis (eczema)
- Atrial fibrillation (irregular heart rate)
- Atrial flutter (irregular heart rate)
- Atrioventricular node conduction block
- Attention deficit hyperactivity disorder (ADHD)
- Atypical pneumonia (lung infection)
- Autism
- Autoimmune conditions
- Autoimmune disease
- Avascular necrosis (death of bone)
- Avulsions (bone fracture)
B
- Back trauma (injury)
- Bacterial dysentery (bloody diarrhea)
- Bacterial infections
- Bacterial overgrowth of small intestine
- Bacterial vaginosis (vaginal infection)
- Baker's cyst (fluid sac behind knee)
- Balanitis (penis swelling)
- Barrett esophagus (esophagus inflammation)
- Bartholin abscess or cyst (vaginal cyst)
- Basal cell carcinoma (skin cancer)
- Basilar artery migraine (headache)
- Basilar skull fracture (broken bone)
- Bed bugs
- Bee sting
- Behçet (mouth, eye, and genital ulcers)
- Bell's palsy (facial muscle weakness)
- Benign neoplasm
- Benign positional vertigo (spinning)
- Benign prostatic hyperplasia (enlargement)
- Benzodiazepine (Valium) abuse
- Benzodiazepine (Valium) overdose
- Benzodiazepine (Valium) toxicity
- Beta blocker overdose
- Biliary colic
- Bipolar affective disorder (bipolar depression)
- Bird flu
- Birth control pill use
- Black widow spider bite
- Bladder cancer
- Bladder infection (cystitis)
- Bladder stone, urinary
- Bleeding tendency
- Blepharitis (eyelid swelling)
- Blood loss
- Blood transfusion and complications
- Blood vessel headache
- Blood vessel injury
- Body dysmorphic disorder (BDD)
- Body lice
- Boil (small skin abscess)
- Bone cancer (bone tumor)
- Bone metastases (cancer)
- Borderline personality disorder
- Botulism (bacterial infection causing weakness)
- Bowel obstruction (intestinal blockage)
- Brachial plexus injury (shoulder nerve injury)
- Bradycardia (slow heart rate)
- Brain abscess (collection of pus)
- Brain arteriovenous malformation (AVM)
- Brain tumor (cancer)
- Breast abscess (collection of pus)
- Breast cancer (tumor)
- Breast fat necrosis (dead tissue)
- Breast fibroadenoma (benign growths)
- Broken bones
- Broken heart syndrome (Takotsubo cardiomyopathy)
- Bronchial asthma
- Bronchiectasis (bronchial tube inflammation destruction)
- Bronchiolitis (bronchial tube inflammation)
- Bronchitis (bronchial tube infection)
- Brown recluse spider bite
- Brucellosis
- Bruxism (teeth grinding)
- Bulimia nervosa (binge eating, vomiting)
- Bullous myringitis (middle ear infection)
- Burkitt lymphoma (lymph node tumor)
- Burning mouth syndrome
- Burns
- Bursitis (joint bursa inflammation)
C
- Caffeine use
- Calcium channel blocker overdose
- Calluses and corns
- Campylobacter infection (intestinal bacterial infection)
- Cancer (tumor)
- Candida albicans (yeast infection)
- Carbon monoxide poisoning
- Carbuncle (skin infection)
- Carcinoid syndrome
- Cardiac arrest
- Cardiac arrhythmia (abnormal heart rate)
- Cardiomyopathy (weakened heart)
- Carotid artery dissection (tear)
- Carotid artery stenosis (neck artery narrowing)
- Carotid cavernous fistula (abnormal communication)
- Carpal tunnel syndrome (wrist nerve compression)
- Cat bite
- Cat scratch fever
- Cataracts
- Cauda equina syndrome (spinal cord damage)
- Cauliflower ear (wrestlers ear)
- Cavernous sinus aneurysm (dilation)
- Cavernous sinus thrombosis (blood clot)
- Cavernous sinus tumor (cancer)
- Cavity (tooth caries)
- Celiac disease (gluten intestinal disease)
- Cellulitis (skin infection)
- Centipede sting
- Central cord syndrome (traumatic spine injury)
- Cerebellar hemorrhage (posterior brain bleeding)
- Cerebellar syndrome
- Cerebral aneurysm (brain artery dilation)
- Cerebral contusion (bruise of brain)
- Cerebral palsy
- Cerebral vascular accident (stroke)
- Cerebrospinal fluid otorrhea (ear leakage of CSF)
- Cerebrospinal fluid rhinorrhea (brain fluid from the nose)
- Cerumen (ear wax) impaction
- Cervical cancer (tumor)
- Cervical lymphadenopathy (enlarged neck lymph nodes)
- Cervical myelopathy (spinal cord compression)
- Cervical radiculopathy (pinched nerve in neck)
- Cervical spine fracture (broken neck bone)
- Cervical spine stenosis (neck spinal stenosis)
- Cervical spondylosis (neck arthritis)
- Cervicitis (inflammation of the cervix)
- Chagas disease (trypanosomiasis)
- Chalazion
- Chemical burn
- Chemical irritants
- Chemotherapy
- Chest trauma (injury)
- Chicken pox (varicella)
- Chikungunya (viral infection)
- Chilblains (pernio)
- Child abuse
- Chlamydia trachomatis infection (STD)
- Chlorine bleach overdose
- Cholangitis (infected bile ducts)
- Cholecystitis (infected gallbladder)
- Choledocholithiasis (stone in bile duct)
- Cholelithiasis (gallstones)
- Cholera (intestinal bacterial infection)
- Cholesteatoma (middle ear mass)
- Chronic fatigue syndrome (CFS)
- Chronic liver disease
- Chronic lymphocytic leukemia (CLL)
- Chronic myelogenous leukemia (CML)
- Chronic obstructive pulmonary disease (COPD)
- Chronic pain
- Chronic venous insufficiency (CVI)
- Cirrhosis (liver failure and scarring)
- Clavicle fracture (broken collar bone)
- Clostridium difficile (C diff)
- Cluster headache
- Coarctation (narrowing) of aorta
- Cocaine abuse
- Cocaine overdose
- Coccidiomycosis (valley fever)
- Colic (pediatric intestinal pain)
- Colitis (large intestine inflammation)
- Colon cancer (large intestine tumor)
- Colon polyps (large intestine polyps)
- Colonic diverticulitis (large intestine inflammation of diverticula)
- Common cold (upper respiratory infection)
- Common spider bite
- Common warts
- Compartment syndrome (painful swelling in a limb)
- Complex migraine (complicated migraine)
- Complex regional pain syndrome
- Compression fracture
- Concussion (head injury)
- Confusion
- Congenital heart disease (heart defect at birth)
- Congestive heart failure (CHF)
- Conjunctivitis (pink eye)
- Constipation
- Contact dermatitis (contact skin irritation)
- Contact urticaria (hives)
- Contusion (bruise)
- Corneal abrasion (eye abrasion)
- Corneal foreign body (eye foreign body)
- Coronary artery anomaly (heart artery malformation)
- Coronary artery disease (CAD)
- Coronary artery dissection (heart artery tear)
- Costochondritis (chest wall inflammation)
- Cough medicine abuse
- Cough syncope (fainting while coughing)
- Cradle cap
- Crohn's disease (regional enteritis, Crohn's colitis, intestinal inflammation)
- Croup (upper airway inflammation)
- Cryptorchidism (undescended testicle)
- Cryptosporidia infection (diarrheal parasite infection)
- Cubital tunnel syndrome
- Cushing disease (excessive cortisol disease)
- Cutaneous larva migrans
- Cyclospora infection
- Cystic fibrosis
- Cystocele (bladder hernia)
- Cytomegalovirus infection (CMV viral infection)
D
- Dandruff
- De Quervain's tenosynovitis (tendon inflammation)
- Deep venous thrombosis (DVT, venous blood clot)
- Degenerative disc disease
- Dehydration
- Delirium tremens (severe alcohol withdrawal)
- Dementia (impaired cognitive function)
- Dengue fever
- Dental abscess (collection of pus)
- Dental eruptions
- Dentures
- Depression (excessive sadness)
- Detached retina (retinal detachment)
- Diabetes (elevated blood sugar)
- Diabetes insipidus
- Diabetes mellitus type 1 (elevated blood sugar)
- Diabetes mellitus type 2 (elevated blood sugar)
- Diabetic ketoacidosis (DKA, a complication of poorly controlled diabetes)
- Diabetic nephropathy (diabetes and kidney disease)
- Diabetic neuropathy (nerve damage)
- Diabetic retinopathy (diabetic eye disease)
- Diaper rash
- Diffuse esophageal spasm (painful contractions of the esophagus)
- Diphenhydramine (Benadryl) overdose
- Diphtheria infection (bacterial respiratory infection)
- Discitis (back inflammation or infection)
- Discoid Lupus Erythematosus (DLE)
- Dislocated lens (eye disorder)
- Dislocation (joint out of place)
- Dissecting aortic aneurysm (tearing and dilation of the aorta)
- Disseminated intravascular coagulation (DIC)
- Diverticulosis
- Dog bite
- Double diabetes (hybrid diabetes)
- Down syndrome
- Doxylamine overdose (unisom overdose)
- Dressler syndrome (heart sac inflammation following heart attack or heart surgery)
- Drug overdose
- Drug overuse
- Drug reaction
- Dry air nasal irritation
- Dry eye syndrome (eye disorder)
- Dry socket (mouth pain after tooth removal)
- Dupuytren's contracture
- Dysarthria (slurred speech)
- Dysfunctional uterine bleeding
- Dyslexia
- Dyslipidemia
- Dysphagia (difficulty swallowing)
- Dysthymia (neurotic depression)
E
- E coli (Escherichia coli) infection
- Ear laceration (skin cut on the ear)
- Ear swelling
- Eclampsia (toxemia of pregnancy)
- Ecstasy (MDMA) abuse
- Ectopic pregnancy (tubal pregnancy)
- Eczema
- Elapids (cobra, coral, mamba) toxicity
- Elbow dislocation
- Emphysema
- Empyema (collection of pus in chest)
- Encephalitis (brain infection)
- Encephalopathy
- Encopresis (involuntary fecal soiling)
- Endocarditis (heart valve infection)
- Endometrial cancer (cancer of uterus)
- Endometriosis (uterine tissue outside the uterus)
- Endometritis (uterus inflammation)
- Endophthalmitis (eye disorder)
- Endotracheal intubation (breathing tube insertion)
- Enlarged lymph nodes (lymphadenopathy)
- Entamoeba histolytica infection (ameba infection)
- Enuresis (bed wetting)
- Environmental exposure (cold, hypothermia)
- Environmental exposure (hot, hyperthermia)
- Epidermal cyst (sebaceous skin cyst)
- Epididymitis (epididymis inflammation)
- Epidural abscess (brain spine abscess)
- Epidural hematoma (bleeding outside of the brain or spinal cord)
- Epiglottitis (severe throat infection)
- Epiploic appendagitis
- Epistaxis (nose bleed)
- Epstein Barr virus
- Erectile dysfunction (ED)
- Erysipelas
- Erythema multiforme
- Erythema nodosum
- Erythrasma (chronic bacterial skin infection)
- Esophageal achalasia (esophagus muscle dysfunction)
- Esophageal cancer (tumor)
- Esophageal cyst
- Esophageal foreign body
- Esophageal rupture (tear in esophagus)
- Esophageal spasm (painful muscle contraction)
- Esophageal stricture
- Esophageal varices
- Esophageal web, (Schatzki's ring)
- Esophagitis (esophageal inflammation)
- Essential hypertension (high blood pressure)
- Essential tremor
- Estrogen withdrawal
- Ethanol (alcohol)
- Eustachian tube dysfunction (inner ear tube)
- Extremity trauma (leg or arm injury)
- Eye trauma (injury)
- Eyelid laceration (skin cut)
- Eyelid swelling
F
- Face laceration (skin cut)
- Facial nerve paralysis
- Facial swelling
- Facial trauma (injury)
- Failure to thrive
- Fallen arches (flat feet, pes planus)
- False pregnancy
- Familial cold urticaria (hives)
- Fat embolism
- Febrile (fever) illness
- Febrile seizure (seizure in a person with a fever)
- Fecal impaction (rectal blockage from stool)
- Fecal incontinence (loss of bowel control)
- Femoral (leg) artery aneurysm (dilation)
- Femoral hernia (groin hernia)
- Femur fracture (upper leg)
- Fetal alcohol syndrome
- Fever (elevated temperature)
- Fever of unknown origin
- Fibrocystic disease of the breast
- Fibroid (uterine muscle tumor)
- Fibromyalgia
- Fifth disease (erythema infectiosum)
- Filariasis (elephantiasis)
- Finger dislocation
- Finger fracture
- Finger laceration (skin cut)
- Finger pulp infection (felon)
- Finger swelling
- Flat feet (pes planus)
- Flea bite
- Flu (influenza)
- Folliculitis (hair follicle infection)
- Food poisoning
- Foot fracture
- Foot laceration (skin cut)
- Foot swelling
- Forearm fracture
- Foreign body
- Foreign body in a wound
- Foreign body in the ear
- Foreign body in the eye
- Foreign body in the respiratory tract
- Foreign body, rectal
- Fracture (broken bone)
- Friction blisters
- Frostbite
- Functional disorders (psychogenic illness)
- Fungal infections
G
- Ganglion cyst
- Gangrene
- Gardnerella vaginalis infection
- Gastric ulcer (stomach ulcer)
- Gastritis (stomach inflammation)
- Gastroenteritis (inflammation of the stomach and intestinal lining)
- Gastroesophageal reflux (GERD)
- Gastrointestinal bleeding (intestinal bleeding)
- Gastrointestinal perforation (hole in intestine)
- Gastroparesis
- Generalized anxiety disorder
- Genital herpes
- Genital warts (HPV, human papilloma virus)
- Gestational diabetes (diabetes during pregnancy)
- Gestational hypertension (high blood pressure)
- Giardiasis (giardia infection)
- Gilbert's disease
- Gingivitis (inflammation of the gums)
- Glaucoma (elevated eye pressure)
- Goiter (enlarged thyroid)
- Golfer's elbow (medial epicondylitis of elbow)
- Goodpasture syndrome
- Gout (uric acid crystals in the joint causing inflammation)
- Graves' disease
- Guillain Barre syndrome (ascending muscle weakness)
H
- H. pylori infection (helicobacter pylori)
- Hair loss (alopecia)
- Hallux valgus (bunion of big toe)
- Hammer toes
- Hand foot and mouth disease (Coxsackie virus)
- Hand fracture
- Hand laceration (skin cut)
- Hand swelling
- Hantavirus infection
- Head injury
- Head lice
- Head trauma
- Headache
- Hearing loss
- Heart arrhythmia (abnormal heart rhythm)
- Heart attack
- Heat cramps
- Heat exhaustion
- Heat rash
- Heat stroke
- Heel spur
- Hemangioma (blood vessel birthmark)
- Hematocele (scrotal bleeding)
- Hematoma (collection of blood)
- Hemochromatosis
- Hemolytic anemia
- Hemolytic uremic syndrome (HUS)
- Hemophilia (inherited bleeding disorder)
- Hemoptysis (coughing blood)
- Hemorrhage (bleeding) of pregnancy
- Hemorrhoids
- Hemotympanum (blood behind ear drum)
- Henoch Schönlein purpura
- Hepatic abscess (liver collection of pus)
- Hepatic encephalopathy (liver failure confusion)
- Hepatitis (liver inflammation)
- Hepatitis B
- Hepatitis C
- Hereditary hemorrhagic telangiectasia (Osler Weber Rendu syndrome)
- Hernia
- Herniated disc (slipped disc, ruptured disc)
- Herpes simplex infection
- Herpes stomatitis (viral mouth infection)
- Herpes vulvovaginitis
- Hiatal hernia
- Hidradenitis suppurativa (skin swelling and abscess)
- High cholesterol (hypercholesteremia)
- Hip dislocation
- Hip fracture (broken bone)
- Hirschsprung disease (pediatric large intestine dilation)
- Histoplasmosis
- HIV AIDS (Human Immunodeficiency Virus, Acquired Immune Deficiency Syndrome)
- Hodgkin's disease
- Hordeolum (stye of eye)
- Hormone replacement therapy
- Horner's syndrome
- Hot tub folliculitis (jacuzzi folliculitis)
- Human papillomavirus (HPV)
- Humerus (upper arm) fracture
- Hydrocele (fluid collection near the testicle)
- Hydrocephalus (fluid on the brain)
- Hyperemesis gravidarum (severe vomiting in pregnancy)
- Hyperkalemia (elevated potassium)
- Hyperlipidemia
- Hyperosmolar hyperglycemic state (severely elevated glucose)
- Hyperparathyroidism
- Hypersensitivity pneumonitis (allergic lung disease)
- Hypertension (elevated blood pressure)
- Hypertensive emergency (blood pressure emergency)
- Hyperthyroid (elevated thyroid hormone)
- Hyperthyroidism (elevated thyroid hormone)
- Hypertrophic cardiomyopathy (heart disease)
- Hyperventilation (rapid breathing)
- Hyphema (traumatic blood in eye)
- Hypocalcemia (low blood calcium)
- Hypoglycemia (low blood glucose)
- Hypokalemia (low blood potassium)
- Hypokalemic periodic paralysis
- Hyponatremia (low blood sodium)
- Hypotension (low blood pressure)
- Hypothyroidism (low thyroid hormone)
- Hypoxia (lack of oxygen)
I
- Idiopathic thrombocytopenia purpura (ITP, low platelets)
- Immobility (lack of movement)
- Impacted tooth
- Impetigo
- Impingement syndrome of shoulder
- Incisional hernia
- Infection
- Infectious mononucleosis (Epstein Barr virus)
- Inflammatory bowel disease
- Inflammatory conditions
- Influenza (seasonal flu)
- Ingrown nail (onychocryptosis)
- Inguinal hernia (groin hernia)
- Inhalants abuse (huffing)
- Inhaled foreign body
- Insect bite
- Insomnia (difficulty sleeping)
- Insulin overdose
- Interstitial cystitis (bladder inflammation)
- Interstitial lung disease
- Intestinal ischemia (low blood flow)
- Intestinal volvulus (twisting of intestine)
- Intracranial hemorrhage (bleeding in brain)
- Intrahepatic cholestasis of pregnancy
- Intraspinal abscess (collection of pus)
- Intravenous drug abuse (IVDA)
- Intussusception (telescoping intestine)
- Iritis (eye inflammation)
- Iron deficiency anemia (low red blood cell)
- Iron overdose
- Iron supplements (Fe supplements)
- Irritable bowel syndrome (IBS)
- Itchy rash
J
K
L
- Labyrinthitis (dizziness and vertigo)
- Laceration (skin cut)
- Lactose intolerance
- Large bowel obstruction (intestine blockage)
- Laryngeal carcinoma (throat cancer)
- Laryngitis (voice box inflammation)
- Lateral epicondylitis of elbow (tennis elbow)
- Latex allergy
- Laxative abuse
- Lazy eye (Amblyopia)
- Lead overdose (lead poisoning)
- Lead poisoning (toxicity)
- Leg laceration (skin cut)
- Leg swelling (leg edema)
- Legg Calve Perthes Disease
- Legionellosis (Legionnaires' disease)
- Leishmaniasis (leishmania infection, kala azar)
- Lemierre's syndrome
- Leptospirosis
- Leukemia (blood cell cancer)
- Lewy body dementia
- Lichen planus (chronic skin inflammation)
- Ligament sprain
- Ligament tear
- Limb ischemia (decreased blood flow)
- Lip laceration (skin cut)
- Lip swelling
- Lipoma (fatty tumor)
- Listeria (listeriosis)
- Livedo reticularis
- Liver abscess (collection of pus)
- Liver cancer (tumor)
- Liver injury (liver laceration)
- Loffler's syndrome (pulmonary eosinophilia)
- Long QT Syndrome (QT prolongation)
- Lou Gehrig's disease (amyotrophic lateral sclerosis)
- Low back pain (lumbago)
- Low blood pressure (hypotension)
- Low fiber diet
- Low platelets (thrombocytopenia)
- Lower leg fracture (tibia, fibula)
- Ludwigâs angina (severe infection in the floor of the mouth and neck)
- Lumbar puncture (spinal tap)
- Lumbar spinal stenosis (lower back spinal stenosis)
- Lumbar spondylosis (spine arthritis)
- Lung abscess (collection of pus)
- Lung cancer (tumor)
- Lupus (systemic lupus erythematosus)
- Lyme disease
- Lymphangitis (lymph tissue inflammation)
- Lymphedema (lymphatic obstruction)
- Lymphoma (lymph node cancer)
M
- Macular degeneration
- Magic mushroom ingestion (psilocybin)
- Major depressive disorder (severe depression)
- Malabsorption syndrome
- Malaria
- Malignant hyperthermia (high temperature)
- Mallet finger (finger tendon rupture)
- Mallory Weiss syndrome (esophageal tear)
- Malnutrition
- Marfan syndrome
- Marijuana abuse
- Mastitis (breast infection inflammation)
- Mastocytosis (urticaria pigmentosa)
- Mastoiditis
- Maxillary sinus carcinoma (tumor)
- Mayer Rokitansky Küster Hauser (MRKH) syndrome
- Measles
- Meckel's diverticulum
- Meconium aspiration
- Medial epicondylitis of elbow (golfer's elbow)
- Mediastinitis (inner chest inflammation)
- Medication reaction
- Medications that cause bleeding
- Medications that cause nausea
- Melanoma (skin cancer)
- Meniere's disease
- Meningioma (brain tumor)
- Meningitis (brain spine infection)
- Meniscus injury (inner knee injury)
- Menopause
- Mescaline abuse (peyote abuse)
- Mesenteric adenitis (intestinal lymph node enlargement)
- Metastatic neoplasm (cancer spread)
- Methamphetamine abuse
- Methemoglobinemia
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Methyl alcohol intoxication (methanol)
- Micturition syncope (fainting with urination)
- Migraine
- Miller Fisher Syndrome
- Miscarriage
- Mitral regurgitation
- Mitral stenosis
- Mitral valve prolapse
- Mittelschmerz (ovulation pain)
- Molar pregnancy (gestational trophoblastic disease)
- Mole (nevi)
- Molluscum contagiosum
- Mongolian spots
- Mononucleosis
- Mosquito bite
- Motion sickness
- Motor neuron disease
- Mouth laceration (mouth cut)
- Mouth swelling
- Mouth trauma (injury)
- Mucocutaneous leishmaniasis
- Mucormycosis (fungal infection)
- Multiple myeloma
- Multiple pregnancy (twins, triplets, etc)
- Multiple sclerosis (MS)
- Mumps
- Munchausen syndrome (fabricating illness)
- Munchausen syndrome by proxy
- Muscle and ligament inflammation (enthesopathy)
- Muscle spasm (charley horse)
- Muscle strain (pulled muscle)
- Muscle tear
- Muscular dystrophy
- Myasthenia gravis
- Mycobacterium tuberculosis infection (TB)
- Mycoplasma genitalium
- Mycosis fungoides (lymphoma)
- Myelodysplastic syndrome (bone marrow failure)
- Myocardial infarction (heart attack)
- Myocarditis (heart muscle inflammation)
- Myopathy (muscle disease)
- Myositis (muscle inflammation or infection)
- Myotonia
- Myringitis bullosa (ear drum infection)
- Myxedema coma (severe low thyroid)
N
- Nail avulsion (traumatic removal of nail)
- Nail bruise (subungual hematoma)
- Nail contusion (swelling of finger and nail)
- Nail laceration (nail bed cut)
- Narcolepsy (uncontrollable sleeping)
- Narcotic (morphine, heroin) abuse
- Narcotic (morphine, heroin) overdose
- Nasal cancer (tumor)
- Nasal foreign body
- Nasal fracture (broken nose)
- Nasal polyps
- Nasal septum deviation
- Nasal trauma (injury)
- Nasopharyngeal carcinoma (tumor)
- Near drowning
- Nearsightedness (myopia)
- Neck trauma (injury)
- Necrotizing fasciitis (soft tissue infection)
- Neisseria gonorrhea infection
- Neisseria meningitidis infection (meningococcus)
- Nephrolithiasis (kidney stone)
- Neuralgia (nerve pain)
- Neurofibromatosis
- Neurogenic bladder (bladder paralysis)
- Newborn jaundice
- Night terrors
- Non venomous snake bite
- Nonsteroidal anti-inflammatory drug overdose (Motrin, Advil)
- Normal menstruation
- Norovirus infection (Norwalk virus)
- Norwalk virus
- Nursemaid's elbow (radial head subluxation)
O
- Obesity
- Obsessive compulsive disorder (OCD)
- Obstructive sleep apnea (sleep apnea)
- Onchocerciasis (river blindness)
- Ophthalmoplegia (eye muscle weakness)
- Optic neuritis (optic nerve inflammation)
- Oral candidiasis (yeast mouth infection)
- Oral ulcers (mouth ulcers)
- Orbital cellulitis (soft tissue eye infection)
- Orbital fracture (broken bone)
- Orbital mass
- Orchitis (testicular infection)
- Oropharyngeal cancer (mouth cancer)
- Osgood Schlatter disease
- Osteoarthritis
- Osteochondritis dissecans
- Osteomyelitis (bone infection)
- Osteopenia
- Osteoporosis
- Otitis externa (outer ear infection)
- Otitis media (middle ear infection)
- Ototoxicity (ear toxicity)
- Ovarian cancer
- Ovarian cyst
- Ovarian torsion (twisting of the ovary)
- Overdose
- Overuse syndrome
P
- Paget disease of the nipple
- Pallister Killian syndrome
- Pancoast syndrome (apical lung tumor)
- Pancreatic cancer (tumor)
- Pancreatitis (pancreas inflammation)
- Pancreatitis, chronic (pancreas inflammation)
- Panhypopituitarism (hypopituitarism)
- Panic disorder
- Paralytic Ileus (intestinal paralysis)
- Parasite infections
- Parkinson's disease
- Paronychia (nail bed infection)
- Parotitis (salivary gland inflammation)
- Patellar (knee cap) tendon rupture
- Patellar dislocation (knee cap dislocation)
- PCP (phencyclidine abuse)
- Pelvic inflammatory disease (PID)
- Pemphigus
- Penis carcinoma (tumor)
- Peptic ulcer (ulcer in the stomach or duodenum)
- Pepto Bismol or Kaopectate ingestion (bismuth)
- Perforated septum (hole in nasal septum)
- Pericarditis (heart sac inflammation)
- Periodontitis (gum inflammation)
- Periorbital cellulitis (infection around eye)
- Peripheral nerve transection (laceration)
- Peripheral neuropathy (nerve dysfunction)
- Peripheral vascular disease (blocked arteries)
- Peritonitis (abdominal cavity inflammation)
- Peritonsillar abscess (tonsil abscess)
- Pernicious anemia
- Personality disorder
- Pesticide poisoning (organophosphate poisoning)
- Pharyngeal pouch (Zenker's diverticulum)
- Pharyngitis (throat infection)
- Pheochromocytoma (adrenal gland tumor)
- Phimosis
- Phobias (irrational fear)
- Pickwickian syndrome (severe obesity)
- Pilonidal cyst (buttocks cyst)
- Pinguecula
- Pinworms
- Pituitary tumor
- Pityriasis rosea (inflammatory skin rash)
- Placenta previa (placenta covers cervix)
- Placental abruption (placenta separation)
- Plague (bubonic plague, bacteria yersinia infection)
- Plantar fasciitis (heel spurs)
- Plantar wart (human papilloma virus infection)
- Pleural effusion (abnormal chest fluid)
- Pleuritis (inflammation of the lung's lining, pleurisy)
- Pneumoconiosis (lung disease)
- Pneumocystis pneumonia (PCP)
- Pneumonia (lung infection)
- Pneumothorax (collapse of lung)
- Poison ivy (poison oak, poison sumac)
- Poisoning
- Poliomyelitis (polio)
- Polycystic kidney disease
- Polycystic ovarian syndrome (PCOS)
- Polycythemia vera (increased blood cells)
- Polymyalgia rheumatica (PMR)
- Polymyositis
- Polyphagia (overeating)
- Porphyria
- Post concussive syndrome (post head injury)
- Post herpetic neuralgia
- Post nasal drip
- Post-traumatic stress disorder (PTSD)
- Posterior inferior cerebellar artery syndrome
- Posterior vitreous detachment
- Postpartum psychosis
- Postural hypotension (orthostatic hypotension)
- Preeclampsia (toxemia of pregnancy)
- Pregnancy
- Premature ejaculation
- Premature ovarian failure
- Premenstrual syndrome (PMS)
- Prescription drug abuse
- Preseptal (nasal septum) hematoma
- Priapism (persistent erection)
- Primary affective disorder (depression)
- Primary dysmenorrhea (painful menstruation)
- Primary insomnia (difficulty sleeping)
- Primary sclerosing cholangitis (bile duct disease)
- Prinzmetal angina (heart artery spasm)
- Prostate cancer
- Prostatectomy (surgical prostate removal)
- Prostatitis (prostate infection)
- Pruritus ani (buttocks itching)
- Pseudogout (calcium deposit arthritis)
- Pseudomonas infection
- Pseudotumor cerebri (elevated brain pressure)
- Psoriasis
- Psoriatic arthritis
- Psychosis
- Pterygium
- Pubic lice
- Puerperal (postpartum) depression
- Pulmonary edema (abnormal lung fluid)
- Pulmonary embolism (blood clot of lung)
- Pulmonary fibrosis (lung scarring)
- Pulmonary hypertension (blood pressure)
- Pulpitis (dental root inflammation)
- Puncture wound
- Puncture wound, ankle
- Puncture wound, arm
- Puncture wound, ear
- Puncture wound, eyelid
- Puncture wound, face
- Puncture wound, finger
- Puncture wound, foot
- Puncture wound, hand
- Puncture wound, knee
- Puncture wound, leg
- Puncture wound, lip
- Puncture wound, mouth
- Puncture wound, scalp
- Puncture wound, skin
- Puncture wound, toe
- Pyelonephritis (kidney infection)
- Pyomyositis (muscle infection)
Q
R
- Rabies
- Radial head fracture (elbow fracture)
- Radiation exposure (radiation sickness)
- Radiator fluid (ethylene glycol) poisoning
- Raised intracranial pressure (elevated brain pressure)
- Ramsay Hunt syndrome (varicella infection)
- Rash
- Rattlesnake (pit viper) bite
- Raynaud's disease
- Rectal abscess (pus collection)
- Rectal cancer (tumor)
- Rectal impaction (fecal impaction, feces obstruction)
- Rectal prolapse (rectal protrusion)
- Rectal ulcer
- Rectovaginal fistula (leak from the rectum into the vagina)
- Reflex sympathetic dystrophy
- Reiter syndrome (reactive arthritis)
- Renal (kidney) artery stenosis
- Renal arteriovenous malformation (AVM)
- Renal failure, acute (sudden kidney failure)
- Renal failure, chronic (kidney failure)
- Renal infarct (kidney damage from an area of blocked blood flow)
- Renal trauma (kidney trauma)
- Renal vein thrombosis (kidney vein clot)
- Respiratory failure (breathing failure)
- Respiratory syncytial virus (RSV)
- Restless legs syndrome
- Retinal artery occlusion
- Retinal vein occlusion
- Retroperitoneal hemorrhage (flank bleeding)
- Retropharyngeal abscess (throat abscess)
- Reyes syndrome
- Rhabdomyolysis (severe muscle breakdown)
- Rheumatic fever
- Rheumatoid arthritis
- Rhinitis (nasal inflammation)
- Rhinosporidiosis (fungal nasal infection)
- Rhinovirus infection (common cold)
- Rib fracture (broken bone)
- Rickets
- Rickettsial infections
- Ringworm of the body (tinea corporis)
- Ringworm of the scalp (tinea capitis)
- Rocky mountain spotted fever
- Rosacea
- Rotator cuff syndrome (shoulder injury)
- Rotavirus infection (intestinal viral infection)
- Rubbing (isopropyl) alcohol overdose
- Rubella (German measles)
S
- Sagittal sinus thrombosis (venous blood clot)
- Salmon patch
- Salmonella infection (intestinal blood infection)
- Sarcoidosis (sarcoid)
- Sarcoma (soft tissue cancer)
- Scabies
- Scalded skin syndrome
- Scalp laceration (scalp cut)
- Scalp swelling
- Scaphoid fracture
- Scarlet fever (post strep inflammation)
- Schistosomiasis (parasite infection)
- Schizoaffective disorder
- Schizophrenia (psychiatric disease)
- Sciatica (lower back nerve irritation)
- Scleroderma
- Sclerosing cholangitis (bile duct disease)
- Scoliosis (crooked spine)
- Scorpion sting
- Scrotal hematoma (scrotal blood collection)
- Sea lice
- Seasonal affective disorder (depression)
- Sebaceous cyst
- Seborrheic dermatitis
- Seborrheic keratosis
- Secondary dysmenorrhea (painful menstruation)
- Seizure (epilepsy)
- Self-inflicted injury
- Sepsis (severe infection)
- Septal perforation (nasal septal hole)
- Septic arthritis (joint infection)
- Septic hip (infected hip joint)
- Septic knee joint (infected knee joint)
- Septic shock (severe infection low pressure)
- Seroma (fluid build-up)
- Serotonin syndrome (severe medication reaction)
- Serum sickness
- Sever's disease (calcaneal apophysitis)
- Severe Acute Respiratory Syndrome (SARS)
- Severe infection (sepsis)
- Sexually transmitted disease (STD)
- Shigellosis (Shigella infection)
- Shin splints (tibial stress syndrome)
- Shingles (herpes zoster)
- Shock (severe low blood pressure)
- Shoulder joint dislocation (dislocated shoulder)
- Sialolithiasis (salivary gland stone)
- Sickle cell crisis (thrombotic)
- Sickle cell disease
- Sinusitis (sinus infection)
- Situational depression
- Sjögren's syndrome (salivary gland disease)
- Skin abscess (collection of pus)
- Skin laceration (cut skin)
- Skin swelling
- Skin tags (acrochordons)
- Skin ulcer
- Skull fracture (broken bone)
- Sleep apnea
- Slipped capital femoral epiphysis
- Small bowel (intestine) lymphoma (lymph cancer)
- Small bowel (intestine) obstruction (blockage)
- Small cell lung cancer
- Smallpox (Variola virus infection)
- Smoke inhalation
- Smoking
- Social anxiety disorder
- Somatization Disorder
- Spermatocele (sperm-filled epididymal cyst)
- Spider veins
- Spina bifida
- Spinal abscess (collection of pus)
- Spinal cord injury, acute
- Spinal cord tumor
- Spleen injury (splenic rupture)
- Splenic infarction (death of spleen)
- Spondylolisthesis (slipped back bone)
- Sprain
- Squamous cell cancer (tumor)
- Staphylococcus aureus
- Steroid abuse
- Steroid use
- Steven Johnson syndrome
- Stomach cancer (gastric cancer)
- Strangulation of genitalia
- Strawberry hemangioma (blood vessel birthmark)
- Streptococcus infection (strep throat bacteria)
- Stress
- Stress headache (tension headache)
- Stress incontinence (unintentional urination with cough or sneeze)
- Stroke (CVA)
- Subarachnoid hemorrhage (brain bleeding)
- Subconjunctival hemorrhage (blood in eye)
- Subdural hematoma (bleeding on brain)
- Substance abuse
- Subungual hematoma (blood under nail)
- Sudden Cardiac Death (SCD)
- Sudden Infant Death Syndrome (SIDS)
- Suicide
- Sun poisoning
- Sunburn
- Supracondylar fracture (elbow fracture)
- Swimmer's itch (cercarial dermatitis)
- Swine Flu (H1N1 Influenza)
- Symptomatic dermatographism
- Synovitis (toxic or transient)
- Syphilis (treponema pallidum)
- Systemic sclerosis (scleroderma)
T
- Tachycardia (fast heart rate)
- Tape worm infection
- Tarantula bite
- Tarsal tunnel syndrome (foot nerve damage)
- Teething
- Temporal arteritis (inflamed scalp artery)
- Temporal lobe epilepsy (seizure)
- Temporomandibular joint syndrome (TMJ)
- Tendon laceration (tendon cut)
- Tendonitis (tendon inflammation)
- Tenosynovitis (tendon sheath inflammation)
- Tension headache (stress headache)
- Tension pneumothorax (severe lung collapse)
- Testicular cancer (tumor)
- Testicular torsion (twisting of testicle)
- Tetanus (lockjaw)
- Thalassemia (Mediterranean anemia)
- Third cranial nerve disorder (third nerve palsy)
- Thoracic outlet syndrome
- Thoracic spine stenosis
- Thoracic spondylosis (spine arthritis)
- Thrombocytopenia (low platelets)
- Thrombotic stroke
- Thrombotic thrombocytopenia purpura (TTP)
- Thyroglossal duct cyst (neck cyst)
- Thyroid cancer
- Thyroiditis (thyroid inflammation)
- Tick bite
- Tick borne encephalitis (brain infection)
- Tick paralysis
- Tinea (fungal skin infection)
- Tinea versicolor
- Tinnitus
- Toe fracture
- Toe laceration (cut skin)
- Toe swelling
- Tongue cancer (tumor)
- Tonsillar cancer (tumor)
- Tonsillitis (tonsil infection)
- Tooth infection
- Toothache
- Torticollis, spasmodic (neck muscle spasm)
- Tourette syndrome
- Toxemia of pregnancy (preeclampsia)
- Toxic megacolon (toxic colitis)
- Toxic shock syndrome
- Toxoplasma infection (parasite infection)
- Transient global amnesia
- Transient ischemic attack (TIA, pre stroke)
- Transverse myelitis (spinal cord inflammation)
- Trauma
- Traumatic nerve injury
- Trench foot (immersion foot)
- Treponema pallidum (syphilis)
- Triangular fibrocartilage complex injury
- Trichinella spiralis infection
- Trichomonas vaginalis infection
- Trigeminal neuralgia (facial nerve pain)
- Tuberculosis (TB)
- Tubo ovarian abscess (pelvic abscess)
- Tularemia
- Tympanic membrane (ear drum) rupture
- Typhoid fever (salmonella typhi infection)
U
- Ulcer, gastrointestinal
- Ulcerative colitis (large intestine inflammation)
- Umbilical hernia (belly button hernia)
- Unstable angina (pre heart attack chest pain)
- Upper respiratory tract infection (URI)
- Ureaplasma urealyticum infection
- Urethritis (infection of urethra)
- Urinary tract infection (UTI)
- Urinary tract malformation
- Urine retention (inability to urinate)
- Urticaria (hives)
- Uterine cancer
- Uterine prolapse (uterine vaginal protrusion)
- Uterine rupture (uterine tear during childbirth)
- Uveitis (iritis, eye inflammation)
V
- Vaccination
- Vaginal atrophy (atrophic vaginitis)
- Vaginal cancer (tumor)
- Vaginal foreign body
- Vaginal yeast (fungal) infection
- Vaginitis (vaginal infection inflammation)
- Valsalva maneuver
- Valvular heart disease
- Varicocele (testicular vein enlargement)
- Varicose veins
- Vascular insufficiency (claudication)
- Vasculitis (inflammation of the arteries)
- Vasovagal syncope (fainting)
- Ventral hernia
- Ventricular tachycardia (VT)
- Vertebral artery dissection (neck artery tear)
- Vertebral fracture (back or neck fracture)
- Vertebral- basilar artery insufficiency
- Vertebral-basilar stroke (lower brain stroke)
- Vertigo (spinning sensation)
- Vesicovaginal fistula (bladder vagina fistula)
- Vestibular neuronitis (labyrinthitis)
- Vibrio parahaemolyticus infection
- Viral exanthem (rash from viral infection)
- Viral hemorrhagic fevers (Ebola, Lassa)
- Viral infections
- Vitamin B12 deficiency
- Vitiligo (loss of skin pigment)
- Vocal cord nodule (voice box nodule)
- Vocal cord paralysis (voice box weakness)
- Volvulus (twisted intestine)
- Vulvar squamous cell carcinoma (tumor)
W
- Waldenström macroglobulinemia (blood cell disease)
- Warfarin (Coumadin, Jantoven) overdose
- Warfarin (Coumadin) use
- Wasp sting
- Wegener's granulomatosis (blood vessel disease)
- West Nile virus infection
- Whiplash injury
- Whipple's disease
- White coat hypertension
- Whooping cough (pertussis)
- Wilsons disease
- Windshield wiper fluid (Methanol) poisoning
- Wolff Parkinson White syndrome (WPW)
- Wood alcohol (methanol) poisoning
- Wound infection (cut infection)