Acute coronary syndrome

Acute kidney failure

Acute liver failure

Addison's disease

Airplane ear

Alcohol intolerance

Alcohol poisoning

Alcohol use disorder

Alcoholic hepatitis


Alpha-gal syndrome

Amniotic fluid embolism




Antibiotic-associated diarrhea



Autoimmune hepatitis

Bee sting

Benign paroxysmal positional vertigo (BPPV)

Bile reflux

Bird flu (avian influenza)

Blastocystis hominis


Brain aneurysm

Brain tumor

C. difficile infection

Carbon monoxide poisoning

Carcinoid tumors

Cardiogenic shock

Castleman disease

Celiac disease

Chagas disease

Chest pain



Choroid plexus carcinoma

Chronic daily headaches

Chronic kidney disease

Chronic sinusitis

Churg-Strauss syndrome


Colon polyps


Congenital adrenal hyperplasia

Constipation in children

Coronavirus disease 2019 (COVID-19)

Cryptosporidium infection

Cyclic vomiting syndrome

Cyclospora infection

Dengue fever

Diabetes insipidus

Diabetic coma

Diabetic ketoacidosis

Diabetic neuropathy


Drug allergy

Dumping syndrome


E. coli

Ear infection (middle ear)

Ebola virus and Marburg virus

Ectopic pregnancy

Egg allergy

Ehrlichiosis and anaplasmosis



Enlarged liver

Eosinophilic esophagitis


Exercise headaches

Food allergy

Food poisoning

Functional dyspepsia

Gallbladder cancer



Giardia infection (giardiasis)



H1N1 flu (swine flu)


Hantavirus pulmonary syndrome

Headaches in children

Heart attack

Heart failure

Heat exhaustion


Helicobacter pylori (H. pylori) infection

Hemolytic uremic syndrome (HUS)


Henoch-Schonlein purpura

Hepatitis A

Hepatitis B

Hepatitis C

Hirschsprung's disease



Hyperglycemia in diabetes



Infant reflux

Intestinal ischemia

Intestinal obstruction

Intracranial hematoma


Jellyfish stings

Kawasaki disease

Kidney stones

Krabbe disease

Lactose intolerance

Lead poisoning

Legionnaires' disease

Listeria infection

Liver cancer

Liver disease

Liver hemangioma

Low blood pressure (hypotension)


MCAD deficiency

Median arcuate ligament syndrome (MALS)


Menstrual cramps

A monthly period is bad enough. Add in painful menstrual cramps, and you may be cursing this thing called womanhood. How do you get relief?

Mesenteric lymphadenitis


Milk allergy

Molar pregnancy

Morning sickness

Multiple myeloma

Multisystem inflammatory syndrome in children (MIS-C)

Myocardial ischemia

Naegleria infection

Norovirus infection


Orthostatic hypotension (postural hypotension)

Ovarian cancer

Ovarian cysts

Ovarian hyperstimulation syndrome

Pancreatic cysts


Panic attacks and panic disorder

Parvovirus infection

Peanut allergy

Pelvic inflammatory disease (PID)

Peptic ulcer


Pinworm infection

Pituitary tumors



One of the most feared diseases of the 20th century, polio has been eradicated from the developed world but remains a threat in less developed nations.

Polymorphous light eruption


Postpartum preeclampsia


Pseudomembranous colitis

Pseudotumor cerebri

Pyloric stenosis

Q fever

Radiation sickness

Recurrent breast cancer

Reye's syndrome

Rocky Mountain spotted fever


Ruptured eardrum (perforated eardrum)

Salmonella infection

Scarlet fever

Scarlet fever is a bacterial infection that causes a rash, fever and sore throat and usually affects children and adolescents.

Scrotal masses

Shaken baby syndrome

Shellfish allergy


Social anxiety disorder (social phobia)

Spider bites

Spinal headaches

Spontaneous coronary artery dissection (SCAD)

Staph infections

Stomach cancer

Strep throat

Sudden cardiac arrest

Symptom Checker

Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.

Tapeworm infection

Testicular torsion

Thunderclap headaches

Toxic hepatitis

Toxic shock syndrome

Traumatic brain injury

Traveler's diarrhea


Vascular rings

Vasovagal syncope

Ventricular fibrillation

Wheat allergy

Whooping cough

Wilson's disease

Yellow fever

Zollinger-Ellison syndrome

June 16, 2020

See also

  1. Acute coronary syndrome
  2. Acute hepatitis C infection
  3. Acute kidney failure
  4. Acute liver failure
  5. Addiction Takes Center Stage
  6. Addison's disease
  7. Adrenal fatigue: What causes it?
  8. After COVID-19 vaccination: Is it OK to visit with friends and loved ones?
  9. Airplane ear
  10. Alcohol intolerance
  11. Alcohol poisoning
  12. Alcohol use disorder
  13. Alcoholic hepatitis
  14. Allergies
  15. Allergy medications: Know your options
  16. Allergy-proof your home
  17. Alpha-gal syndrome
  18. Amniotic fluid embolism
  19. Anaphylaxis
  20. Aneurysm Surgery
  21. Angina
  22. Anthrax
  23. Antibiotic-associated diarrhea
  24. Appendicitis
  25. Ascariasis
  26. Aspirin allergy
  27. Autoimmune hepatitis
  28. Avoid rebound nasal congestion
  29. Beating Ovarian Cancer
  30. Bee sting
  31. Benign paroxysmal positional vertigo (BPPV)
  32. Bezoars: How do they happen?
  33. Bile reflux
  34. Bird flu (avian influenza)
  35. Blastocystis hominis
  36. Botulism
  37. Brain aneurysm
  38. Brain tumor
  39. 4 Ways to Prevent Heart Attack
  40. Heart Failure
  41. How kidneys work
  42. Mayo Clinic - Holiday Heart Attack and Stroke Risk
  43. SCAD: A Disease-Specific, Social Networking Community-Initiated Study
  44. Bump on the head: When is it a serious head injury?
  45. C. difficile infection
  46. CA 125 test: A screening test for ovarian cancer?
  47. Calcium supplements: A risk factor for heart attack?
  48. Can COVID-19 (coronavirus) spread through food, water, surfaces and pets?
  49. COVID-19 and vitamin D
  50. Safe cancer treatment during the COVID-19 pandemic
  51. Cancer treatment during COVID-19: How to move ahead safely
  52. Carbon monoxide poisoning
  53. Carcinoid tumors
  54. Cardiac asthma: What causes it?
  55. Cardiogenic shock
  56. Castleman disease
  57. Celiac disease
  58. Celiac disease: Can gluten be absorbed through the skin?
  59. Celiac disease diet: How do I get enough grains?
  60. Chagas disease
  61. Chest pain
  62. Cholecystitis
  63. Cholera
  64. Choroid plexus carcinoma
  65. Chronic daily headaches
  66. Chronic kidney disease
  67. Chronic sinusitis
  68. Churg-Strauss syndrome
  69. Cirrhosis
  70. Colon polyps
  71. Concussion
  72. Concussion in children
  73. Concussion Recovery
  74. Concussion Telemedicine
  75. Congenital adrenal hyperplasia
  76. Constipation in children
  77. Coping with side effects of hepatitis C drugs
  78. Coronary artery spasm: Cause for concern?
  79. Coronavirus safety tips for going out
  80. Coronavirus disease 2019 (COVID-19)
  81. COVID-19: How can I protect myself?
  82. Coronavirus grief
  83. Coronavirus vs. flu: Similarities and differences
  84. Herd immunity and coronavirus
  85. COVID-19 and high blood pressure
  86. COVID-19 and pets
  87. COVID-19 and the risk of suicide
  88. COVID-19 and your mental health
  89. COVID-19, cold, allergies and the flu
  90. COVID-19 and holidays
  91. COVID-19 (coronavirus) drugs: Are there any that work?
  92. COVID-19 (coronavirus) in babies and children
  93. Long-term effects of COVID-19
  94. COVID-19 (coronavirus) stigma: What it is and how to reduce it
  95. COVID-19 (coronavirus) travel advice
  96. How well do face masks protect against coronavirus?
  97. Coping with unemployment caused by COVID-19
  98. COVID-19 (coronavirus): Quarantine, self-isolation and social distancing
  99. COVID-19: Social distancing, contact tracing are critical
  100. COVID-19 vaccines
  101. COVID-19 variant
  102. COVID-19: Who's at higher risk of serious symptoms?
  103. Cryptosporidium infection
  104. Cyclic vomiting syndrome
  105. Cyclospora infection
  106. Debunking coronavirus myths
  107. Dengue fever
  108. Diabetes insipidus
  109. Diabetic coma
  110. Diabetic Gastroparesis
  111. Diabetic ketoacidosis
  112. Diabetic neuropathy
  113. Diabetic neuropathy and dietary supplements
  114. Types of diabetic neuropathy
  115. Different COVID-19 vaccines
  116. Diverticulitis
  117. Does honey offer sweet relief for allergies?
  118. Drinking after hepatitis C cure: Is it safe?
  119. Drug allergy
  120. Dumping syndrome
  121. Dysphagia
  122. E. coli
  123. Ear infection (middle ear)
  124. Ear infection treatment: Do alternative therapies work?
  125. Early hepatitis C infection: How often does it become chronic?
  126. Eastern equine encephalitis (EEE): What is it?
  127. Ebola transmission: Can Ebola spread through the air?
  128. Ebola virus and Marburg virus
  129. Ectopic pregnancy
  130. Egg allergy
  131. Ehrlichiosis and anaplasmosis
  132. Encephalitis
  133. Endometriosis
  134. Endometriosis: Risk factor for ovarian cancer?
  135. Enlarged liver
  136. Eosinophilic esophagitis
  137. Esophagitis
  138. Exercise headaches
  139. External Drive: Charles' Artificial Heart
  140. Eye vitamins: Can they prevent or treat glaucoma?
  141. Surgery during the COVID-19 pandemic
  142. Fainting during urination (micturition syncope): What causes it?
  143. Flu masks
  144. Flu Shot Prevents Heart Attack
  145. Flu vaccine: Safe for people with egg allergy?
  146. Food allergies: Labels
  147. Food allergy
  148. Can adults develop a food allergy?
  149. Food allergy or intolerance?
  150. Food poisoning
  151. Functional dyspepsia
  152. Gallbladder cancer
  153. Gastritis
  154. Gastroenteritis: First aid
  155. Gastroparesis
  156. Getting active after acute coronary syndrome
  157. Getting safe emergency care during the COVID-19 pandemic
  158. Giardia infection (giardiasis)
  159. Glaucoma
  160. Glioma
  161. H. Pylori
  162. Helicobacter pylori (H. pylori) infection
  163. H1N1 flu (swine flu)
  164. Hangover prevention: Do lighter colored drinks help?
  165. Hangovers
  166. Hantavirus pulmonary syndrome
  167. Headaches 101: Know your type
  168. Headaches and hormones
  169. Headaches in children
  170. Headaches: Treatment depends on your diagnosis and symptoms
  171. Heart attack
  172. Heart attack prevention: Should I avoid secondhand smoke?
  173. Heart attack symptoms
  174. Heart Attack Timing
  175. Heart failure
  176. Heart failure and sex: Is it safe?
  177. Slide show: Heart-healthy eating after acute coronary syndrome
  178. Heat exhaustion
  179. Heatstroke
  180. Kids, loneliness and COVID-19
  181. Hemolytic uremic syndrome (HUS)
  182. Hemophilia
  183. Henoch-Schonlein purpura
  184. Hepatitis A
  185. Hepatitis B
  186. Hepatitis C
  187. Hepatitis C: How common is sexual transmission?
  188. Hepatitis C: What happens in end-stage liver disease?
  189. Hidden Heart Attack
  190. Hirschsprung's disease
  191. Holiday Heart
  192. How do COVID-19 antibody tests differ from diagnostic tests?
  193. How does COVID-19 affect people with diabetes?
  194. Infographic: How heart-healthy people can suffer a heart attack
  195. How to safely go to your doctor during the COVID-19 pandemic
  196. How to talk to your kids about COVID-19
  197. Hydrocele
  198. Hypercalcemia
  199. Hyperglycemia in diabetes
  200. Hyponatremia
  201. Indigestion
  202. Infant reflux
  203. Intestinal ischemia
  204. Intestinal obstruction
  205. Intracranial hematoma
  206. Intussusception
  207. Jellyfish stings
  208. Kawasaki disease
  209. Kidney stones
  210. Krabbe disease
  211. Lactose intolerance
  212. Preventing lead exposure
  213. Lead poisoning
  214. Legionnaires' disease
  215. Listeria infection
  216. Liver cancer
  217. Infographic: Liver Cancer
  218. Liver cysts: A cause of abdominal pain?
  219. Liver disease
  220. Liver hemangioma
  221. Liver transplant for hepatitis C
  222. Living with Brain Tumors
  223. Long Term Brain Cancer Survivor
  224. Low blood pressure (hypotension)
  225. Low blood sodium in older adults: A concern?
  226. Low-phosphorus diet: Helpful for kidney disease?
  227. Malaria
  228. Managing Headaches
  229. Managing Meningitis
  230. Marathon and the Heat
  231. Mayo Clinic Minute: Avoiding summer E. coli infection
  232. Mayo Clinic Minute: What you need to know about polyps in your colon
  233. Mayo Clinic Minute: You're washing your hands all wrong
  234. Mayo Clinic Minute: How dirty are common surfaces?
  235. Mayo Clinic Minute Meningitis 101 for college students
  236. Mayo Clinic Minute: Prevent migraines with magnetic stimulation
  237. Mayo Clinic Minute Weathering migraines
  238. MCAD deficiency
  239. Measles Virus as a Cancer Fighter
  240. Median arcuate ligament syndrome (MALS)
  241. Meningitis
  242. Menstrual cramps
  243. Mesenteric lymphadenitis
  244. Migraine
  245. Migraine medications and antidepressants
  246. Migraine treatment: Can antidepressants help?
  247. Infographic: Migraine Treatments: Botox & Nerve Blocking
  248. Migraines and gastrointestinal problems: Is there a link?
  249. Migraines and Vertigo
  250. Migraines: Are they triggered by weather changes?
  251. Alleviating migraine pain
  252. Milk allergy
  253. Molar pregnancy
  254. Infographic: Molecular Classification of Gliomas
  255. Morning sickness
  256. MRI: Is gadolinium safe for people with kidney problems?
  257. Multiple myeloma
  258. Infographic: Multiple Myeloma
  259. Multisystem inflammatory syndrome in children (MIS-C)
  260. Myocardial ischemia
  261. Naegleria infection
  262. Nasal Cleaning
  263. Nasal spray addiction: Is it real?
  264. Neurosurgery during the COVID-19 pandemic
  265. New Hep C Treatment
  266. New Test for Preeclampsia
  267. New Way to Fix Aneurysms
  268. Nighttime headaches: Relief
  269. Nocturnal panic attacks: What causes them?
  270. Norovirus infection
  271. NSAIDs: Do they increase my risk of heart attack and stroke?
  272. He's the bravest kid I've ever seen
  273. Occipital nerve stimulation: Effective migraine treatment?
  274. Ocular migraine: When to seek help
  275. Orchitis
  276. Orthostatic hypotension (postural hypotension)
  277. Ovarian cancer
  278. Ovarian cancer: Still possible after hysterectomy?
  279. Ovarian cancer vaccine: Can it prevent recurrence?
  280. Ovarian cysts
  281. Ovarian cysts and infertility: A connection?
  282. Ovarian hyperstimulation syndrome
  283. Pain Management
  284. Pancreatic cysts
  285. Pancreatitis
  286. Panic attacks and panic disorder
  287. Pap test: Can it detect ovarian cancer?
  288. Parenting and special needs during a pandemic
  289. Parvovirus infection
  290. Peanut allergy
  291. Pelvic inflammatory disease (PID)
  292. Peptic ulcer
  293. Peritonitis
  294. Pinworm infection
  295. Pituitary tumors
  296. Plague
  297. Polio
  298. Polymorphous light eruption
  299. Polymorphous Light Eruption
  300. Porphyria
  301. Postpartum preeclampsia
  302. Preeclampsia
  303. Pregnancy and COVID-19
  304. Preventing Kidney Stones
  305. Infographic: Proton Beam Brain Tumor
  306. Pseudomembranous colitis
  307. Pseudotumor cerebri
  308. Punk Guitarist Survives Brain Tumor
  309. Pyloric stenosis
  310. Q fever
  311. Coronavirus infection by race
  312. Radiation sickness
  313. Recurrent breast cancer
  314. Recurring strep throat: When is tonsillectomy useful?
  315. Renal diet for vegetarians
  316. Reye's syndrome
  317. Rhabdomyolysis
  318. Rocky Mountain spotted fever
  319. Rotavirus
  320. Routine cancer screening during coronavirus (COVID-19) pandemic
  321. Ruptured eardrum (perforated eardrum)
  322. Safe outdoor activities during the COVID-19 pandemic
  323. Safety tips for returning to school during COVID-19
  324. Salmonella infection
  325. Salt craving: A symptom of Addison's disease?
  326. SCAD 2 Social Media as a Lifesaving Link
  327. Scarlet fever
  328. Scrotal masses
  329. Self-care for the flu
  330. Sex and COVID-19
  331. Shaken baby syndrome
  332. Shellfish allergy
  333. Silent heart attack
  334. Skin care tips during a pandemic
  335. Smallpox
  336. Social anxiety disorder (social phobia)
  337. Spider bites
  338. Spinal headaches
  339. Spontaneous coronary artery dissection (SCAD)
  340. Spontaneous coronary artery dissection (SCAD)
  341. Staph infections
  342. Stay healthy during the COVID-19 (coronavirus) pandemic
  343. Stay on track with medications during a pandemic
  344. Stomach cancer
  345. Infographic: Stomach Cancer
  346. Stop your next migraine before it starts
  347. Strep throat
  348. Strep throat in infants: A common diagnosis?
  349. Stress and headaches: Stop the cycle
  350. Sudden cardiac arrest
  351. Sudden death in young people: Heart problems often blamed
  352. Sulfa allergy
  353. Sun rash: Causes and prevention
  354. Symptom Checker
  355. Tapeworm infection
  356. Telemedicine online doctor visits
  357. Teleworking during the coronavirus
  358. Testicular torsion
  359. Thunderclap headaches
  360. Toxic hepatitis
  361. Toxic shock syndrome
  362. Traumatic brain injury
  363. Video: Travel safely for medical care during the COVID-19 pandemic
  364. Traveler's diarrhea
  365. Treating COVID-19 at home
  366. Tularemia
  367. Unusual symptoms of coronavirus
  368. Vascular rings
  369. Vasovagal syncope
  370. Ventricular fibrillation
  371. Vertigo
  372. Fight coronavirus (COVID-19) transmission at home
  373. Heart failure action plan
  374. Contact tracing and COVID-19: What is it and how does it work?
  375. What is meant by the term "heart age"?
  376. What's the difference between H1N1 flu and influenza A?
  377. Wheat allergy
  378. Whooping cough
  379. Whooping cough
  380. Why isn't there a hepatitis C vaccine?
  381. Wilson's disease
  382. Yellow fever
  383. Fecal transplant treatment of C. difficile at Mayo Clinic
  384. Mayo Clinic study reporting increased incidence of C. difficile infection
  385. Effectively managing chronic kidney disease
  386. Mayo Clinic Research Finds Risk of Glaucoma Blindness Drops by Half
  387. Zollinger-Ellison syndrome