In-depth

Achalasia

Acute coronary syndrome

Acute kidney injury

Acute liver failure

Addison's disease

Airplane ear

Alcohol intolerance

Alcohol poisoning

Alcohol use disorder

Alcoholic hepatitis (Alcohol-associated hepatitis)

Allergies

Alpha-gal syndrome

Amniotic fluid embolism

Anaphylaxis

Aneurysms

Angina

Anthrax

Antibiotic-associated diarrhea

Appendicitis

Ascariasis

Astrocytoma

Autoimmune hepatitis

Bee sting

Benign paroxysmal positional vertigo (BPPV)

Bile reflux

Bird flu (avian influenza)

Blastocystis hominis

Botulism

Brain aneurysm

Brain tumor

Burkitt lymphoma

C. difficile infection

Carbon monoxide poisoning

Carcinoid tumors

Cardiogenic shock

Castleman disease

Celiac disease

Chagas disease

Chest pain

Cholecystitis

Cholera

Choroid plexus carcinoma

Chronic daily headaches

Chronic granulomatous disease

Chronic kidney disease

Chronic sinusitis

Churg-Strauss syndrome

Cirrhosis

Concussion

Congenital adrenal hyperplasia

Constipation in children

Coronavirus disease 2019 (COVID-19)

Craniopharyngioma

CSF leak (Cerebrospinal fluid leak)

Cyclic vomiting syndrome

Dengue fever

Diabetes insipidus

Diabetic coma

Diabetic ketoacidosis

Diabetic neuropathy

Diffuse large B-cell lymphoma

Diffuse midline glioma (DMG)

Diverticulitis

Drug allergy

Dumping syndrome

Dysphagia

E. coli

Ear infection (middle ear)

Ectopic pregnancy

Egg allergy

Ehrlichiosis and anaplasmosis

Encephalitis

Endometriosis

Enlarged liver

Eosinophilic esophagitis

Esophagitis

Exercise headaches

Food allergy

Food poisoning (foodborne illness)

Functional dyspepsia

Gallbladder cancer

Gastritis

Gastroparesis

Giardia infection (giardiasis)

Glaucoma

Glioblastoma

Glioma

H1N1 flu (swine flu)

Hangovers

Hantavirus pulmonary syndrome

Headaches in children

Heart attack

Heart failure

Heat exhaustion

Heatstroke

Helicobacter pylori (H. pylori) infection

Hemolytic uremic syndrome (HUS)

Hemophilia

Henoch-Schonlein purpura

Hepatitis A

Hepatitis B

Hepatitis C

Hirschsprung's disease

Hydrocele

Hypercalcemia

Hyperglycemia in diabetes

Hyponatremia

Indigestion

Infant reflux

Intestinal ischemia

Intestinal obstruction

Intracranial hematoma

Intussusception

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)

Malaria

Mantle cell lymphoma

Marginal zone lymphoma

MCAD deficiency

Median arcuate ligament syndrome (MALS)

Medulloblastoma

Meningitis

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

Metastatic (stage 4) prostate cancer

Migraine

Milk allergy

Molar pregnancy

Multiple myeloma

Multisystem inflammatory syndrome in children (MIS-C)

Myocardial ischemia

Norovirus infection

Orchitis

Orthostatic hypotension (postural hypotension)

Ovarian cancer

Ovarian cysts

Ovarian hyperstimulation syndrome

Pancreatic cysts

Pancreatitis

Panic attacks and panic disorder

Parvovirus infection

Peanut allergy

Pelvic inflammatory disease (PID)

Peptic ulcer

Peritoneal carcinomatosis

Peritonitis

Pilocytic astrocytoma

Pinworm infection

Pituitary tumors

Plague

Polio

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

Porphyria

Postpartum preeclampsia

Preeclampsia

Pseudomembranous colitis

Pseudotumor cerebri (idiopathic intracranial hypertension)

Pyloric stenosis

Radiation sickness

Recurrent breast cancer

Reye's syndrome

Rotavirus

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

Small bowel obstruction

Smallpox

Social anxiety disorder (social phobia)

Spider bites

Spinal headaches

Spontaneous coronary artery dissection (SCAD)

Staph infections

Stomach cancer

Strep throat

Subarachnoid hemorrhage

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

Zollinger-Ellison syndrome

From Mayo Clinic to your inbox

Sign up for free and stay up to date on research advancements, health tips, current health topics, and expertise on managing health. Click here for an email preview.

We use the data you provide to deliver you the content you requested. To provide you with the most relevant and helpful information, we may combine your email and website data with other information we have about you. If you are a Mayo Clinic patient, we will only use your protected health information as outlined in our Notice of Privacy Practices. You may opt out of email communications at any time by clicking on the unsubscribe link in the email.

Dec. 07, 2023

See also

  1. Achalasia
  2. Acute coronary syndrome
  3. Acute liver failure
  4. Addison's disease
  5. Adrenal fatigue: What causes it?
  6. Airplane ear
  7. Alcohol intolerance
  8. Alcohol use disorder
  9. Allergy medications: Know your options
  10. Allergy-proof your home
  11. Alleviating migraine pain
  12. Anaphylaxis
  13. Anaphylaxis: First aid
  14. Aneurysms
  15. Angina
  16. Anthrax
  17. Antibiotic-associated diarrhea
  18. Ascariasis
  19. Aspirin allergy
  20. Astrocytoma
  21. Autoimmune hepatitis
  22. Beating Ovarian Cancer
  23. Bee sting
  24. Benign paroxysmal positional vertigo (BPPV)
  25. Blastocystis hominis
  26. Botulism
  27. Brain aneurysm
  28. Brain tumor
  29. Brain tumor FAQs
  30. Bump on the head: When is it a serious head injury?
  31. Burkitt lymphoma
  32. CA 125 test: A screening test for ovarian cancer?
  33. Calcium supplements: A risk factor for heart attack?
  34. Carbon monoxide poisoning
  35. Cardiac asthma: What causes it?
  36. Cardiogenic shock
  37. Celiac disease
  38. Chest pain
  39. Cholecystitis
  40. Chronic daily headaches
  41. Chronic granulomatous disease
  42. Chronic kidney disease
  43. Chronic kidney disease: Is a clinical trial right for me?
  44. Chronic sinusitis
  45. Churg-Strauss syndrome
  46. Cirrhosis
  47. Cirrhosis self-care and diet
  48. Concussion
  49. Concussion in children
  50. Concussion Telemedicine
  51. Congenital adrenal hyperplasia
  52. Constipation in children
  53. Coronavirus disease 2019 (COVID-19)
  54. COVID-19 travel advice
  55. COVID-19 vaccines for kids: What you need to know
  56. COVID-19 vs. flu: Similarities and differences
  57. COVID-19: How can I protect myself?
  58. COVID-19: Who's at higher risk of serious symptoms?
  59. Craniopharyngioma
  60. CSF leak (Cerebrospinal fluid leak)
  61. Cyclic vomiting syndrome
  62. Debunking coronavirus myths
  63. Dengue fever
  64. Diabetic coma
  65. Diabetic Gastroparesis
  66. Diabetic ketoacidosis
  67. Diabetic neuropathy
  68. Different COVID-19 vaccines
  69. Diffuse large B-cell lymphoma
  70. Diffuse midline glioma (DMG)
  71. Digestion: How long does it take?
  72. Diverticulitis
  73. Dumping syndrome
  74. E. coli
  75. Ear infection (middle ear)
  76. Ectopic pregnancy
  77. Effectively managing chronic kidney disease
  78. Egg allergy
  79. Ehrlichiosis and anaplasmosis
  80. Encephalitis
  81. Endometriosis
  82. Endometriosis FAQs
  83. Esophagitis
  84. Fecal transplant treatment of C. difficile at Mayo Clinic
  85. Fight coronavirus (COVID-19) transmission at home
  86. Flu masks
  87. Flu vaccine: Safe for people with egg allergy?
  88. Food allergy
  89. Food allergy or intolerance?
  90. Food poisoning (foodborne illness)
  91. Fructose intolerance: Which foods to avoid?
  92. Gallbladder cancer
  93. Gallbladder polyps: Can they be cancerous?
  94. Gastritis
  95. Giardia infection (giardiasis)
  96. Glaucoma
  97. Glioblastoma
  98. Guide to different tick species and the diseases they carry
  99. H1N1 flu (swine flu)
  100. Hantavirus pulmonary syndrome
  101. Headaches and hormones
  102. Headaches in children
  103. Headaches: Treatment depends on your diagnosis and symptoms
  104. Heart attack
  105. Heart attack prevention: Should I avoid secondhand smoke?
  106. Heart attack symptoms
  107. Heart Attack Timing
  108. Heart failure
  109. Heart failure action plan
  110. Heart failure and sex: Is it safe?
  111. Heat exhaustion
  112. Heatstroke
  113. Helicobacter pylori (H. pylori) infection
  114. Hemolytic uremic syndrome (HUS)
  115. Hemophilia
  116. Henoch-Schonlein purpura
  117. Hepatitis B and Hepatitis C: What’s the difference?
  118. Hepatitis C
  119. Hepatitis C: How common is sexual transmission?
  120. Hepatitis C: What happens in end-stage liver disease?
  121. Herd immunity and coronavirus
  122. Hirschsprung's disease
  123. How do COVID-19 antibody tests differ from diagnostic tests?
  124. How kidneys work
  125. How well do face masks protect against COVID-19?
  126. Hypercalcemia
  127. Hyponatremia
  128. Infant reflux
  129. Infographic: Multiple Myeloma
  130. Intestinal ischemia
  131. Intracranial hematoma
  132. Intussusception
  133. Is hydroxychloroquine a treatment for COVID-19?
  134. Jellyfish stings
  135. Kawasaki disease
  136. Kidney disease FAQs
  137. Kidney stones
  138. Lead poisoning
  139. Listeria infection
  140. Liver cancer
  141. Liver disease
  142. Liver hemangioma
  143. Living with Brain Tumors
  144. Long Term Brain Cancer Survivor
  145. Long-term effects of COVID-19
  146. Low blood sodium in older adults: A concern?
  147. Low-phosphorus diet: Helpful for kidney disease?
  148. Malaria
  149. Mantle cell lymphoma
  150. Marginal zone lymphoma
  151. Mayo Clinic Minute: Avoiding summer E. coli infection
  152. Mayo Clinic Minute: Meningitis 101 for college students
  153. Mayo Clinic Minute: Prevent migraines with magnetic stimulation
  154. Mayo Clinic Minute: Weathering migraines
  155. Mayo Clinic Minute: You're washing your hands all wrong
  156. Mayo Clinic study reporting increased incidence of C. difficile infection
  157. MCAD deficiency
  158. Median arcuate ligament syndrome (MALS)
  159. Medulloblastoma
  160. Meningitis
  161. Migraine
  162. Migraine FAQs
  163. Migraine medicines and antidepressants
  164. Migraine treatment: Can antidepressants help?
  165. Migraines and gastrointestinal problems: Is there a link?
  166. Migraines and Vertigo
  167. Migraines: Are they triggered by weather changes?
  168. Molar pregnancy
  169. Morning sickness
  170. Multiple myeloma
  171. Multisystem inflammatory syndrome in children (MIS-C)
  172. Myocardial ischemia
  173. New Hep C Treatment
  174. New Test for Preeclampsia
  175. Nighttime headaches: Relief
  176. Nighttime panic attacks: What causes them?
  177. Norovirus infection
  178. NSAIDs: Do they increase my risk of heart attack and stroke?
  179. Ocular migraine: When to seek help
  180. Orchitis
  181. Orthostatic hypotension (postural hypotension)
  182. Ovarian cancer
  183. Ovarian cancer: Still possible after hysterectomy?
  184. Ovarian hyperstimulation syndrome
  185. Pain Management
  186. Pancreatic cysts
  187. Pap test: Can it detect ovarian cancer?
  188. Parvovirus infection
  189. Peanut allergy
  190. Pelvic inflammatory disease (PID)
  191. Peritoneal carcinomatosis
  192. Peritonitis
  193. Pilocytic astrocytoma
  194. Pinworm infection
  195. Pituitary tumors
  196. Plague
  197. Polio
  198. Polymorphous light eruption
  199. Porphyria
  200. Postpartum preeclampsia
  201. Preeclampsia
  202. Pregnancy and COVID-19
  203. Pseudomembranous colitis
  204. Punk Guitarist Survives Brain Tumor
  205. Pyloric stenosis
  206. Radiation sickness
  207. Recurrent breast cancer
  208. Rhabdomyolysis
  209. Ricin poisoning
  210. Rotavirus
  211. Ruptured eardrum (perforated eardrum)
  212. Safe outdoor activities during the COVID-19 pandemic
  213. Safety tips for attending school during COVID-19
  214. Salmonella infection
  215. Salt craving: A symptom of Addison's disease?
  216. Scarlet fever
  217. Scrotal masses
  218. Self-care for the flu
  219. Sex and COVID-19
  220. Shaken baby syndrome
  221. Silent heart attack
  222. Smallpox
  223. Social anxiety disorder (social phobia)
  224. Spider bites
  225. Spinal headaches
  226. Spontaneous coronary artery dissection (SCAD)
  227. Staph infections
  228. Strep throat
  229. Subarachnoid hemorrhage
  230. Sulfa allergy
  231. Swallowing gum: Is it harmful?
  232. Tapeworm infection
  233. Testicular torsion
  234. Thunderclap headaches
  235. Toxic shock syndrome
  236. Types of diabetic neuropathy
  237. Vascular rings
  238. Vasovagal syncope
  239. Ventricular fibrillation
  240. What is a migraine? A Mayo Clinic expert explains
  241. What is cirrhosis? A Mayo Clinic expert explains
  242. What is kidney disease? An expert explains
  243. What is stomach cancer? A Mayo Clinic expert explains
  244. Wheat allergy
  245. White stool: Should I be concerned?
  246. Whooping cough
  247. Whooping cough
  248. Why isn't there a hepatitis C vaccine?
  249. Wilson's disease
  250. Zollinger-Ellison syndrome