In-depth

Abdominal aortic aneurysm

Acute liver failure

Addison's disease

Alcoholic hepatitis (Alcohol-associated hepatitis)

Alpha-gal syndrome

Anaphylaxis

Anaplastic large cell lymphoma

Aneurysms

Antibiotic-associated diarrhea

Aortic aneurysm

Appendicitis

Appendix cancer

Ascariasis

Barrett's esophagus

Behcet disease

Bile reflux

Bladder stones

Blastocystis hominis

Botulism

C. difficile infection

Carcinoid tumors

Cardiogenic shock

Celiac disease

Chagas disease

Chlamydia trachomatis

Cholangiocarcinoma (bile duct cancer)

Cholecystitis

Chronic lymphocytic leukemia

Churg-Strauss syndrome

Colon cancer

Colon polyps

Constipation in children

Crohn's disease

Cyclic vomiting syndrome

Dengue fever

Diabetic ketoacidosis

Diabetic neuropathy

Diarrhea

Diffuse large B-cell lymphoma

Diverticulitis

E. coli

Ectopic pregnancy

Egg allergy

Encopresis

Enlarged liver

Enlarged spleen (splenomegaly)

Eosinophilic esophagitis

Epididymitis

Esophagitis

Fibromuscular dysplasia

Food allergy

Food poisoning (foodborne illness)

Gallbladder cancer

Gallstones

Gas and gas pains

Intestinal gas can be embarrassing and sometimes painful. But a few simple measures can often provide relief.

Gastroesophageal reflux disease (GERD)

Giardia infection (giardiasis)

Gonorrhea

Hantavirus pulmonary syndrome

Headaches in children

Heart attack

Helicobacter pylori (H. pylori) infection

Hemolytic uremic syndrome (HUS)

Henoch-Schonlein purpura

Hepatitis A

Hepatitis B

Hepatocellular carcinoma (HCC)

Hives and angioedema

Hypercalcemia

Hyperglycemia in diabetes

Indigestion

Inflammatory bowel disease (IBD)

Intestinal ischemia

Intestinal obstruction

Irritable bowel syndrome

Ischemic colitis

Kawasaki disease

Kidney infection

Lactose intolerance

Lead poisoning

Liver cancer

Liver disease

Liver hemangioma

Lymphoma

Median arcuate ligament syndrome (MALS)

Mental illness

Mesenteric lymphadenitis

Mesothelioma

Milk allergy

Miscarriage

Mittelschmerz

Neuroblastoma

Non-Hodgkin lymphoma

Norovirus infection

Ovarian cysts

Ovarian hyperstimulation syndrome

Pancreatic cancer

Pancreatic cysts

Pancreatic neuroendocrine tumors

Pancreatitis

Pelvic congestion syndrome

Pelvic inflammatory disease (PID)

Peritoneal carcinomatosis

Peritonitis

Pheochromocytoma

Pinworm infection

Placental abruption

Plague

Porphyria

Postpartum preeclampsia

Preeclampsia

Primary biliary cholangitis (PBC)

Primary sclerosing cholangitis (PSC)

Proctitis

Pseudomembranous colitis

Rectal cancer

Rotavirus

Ruptured spleen

Salmonella infection

Scrotal masses

Sexually transmitted diseases (STDs)

Shellfish allergy

Shigella infection

Small lymphocytic lymphoma

Small vessel disease

Stage 4 (metastatic) colon cancer

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

Toxic hepatitis

Traveler's diarrhea

Trichinosis

Triple X syndrome

Tubular adenoma of the colon

Typhoid fever

Ulcerative colitis

Vasculitis

Vesicoureteral reflux

Whipple's disease

Wilms tumor

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.

March 21, 2025

See also

  1. ​ Vitamins and supplements for fatty liver disease (MASLD)
  2. ​Self-care for fatty liver disease (MASLD)
  3. #AskMayoMom Pediatric Urology
  4. Abdominal aortic aneurysm
  5. Acute liver failure
  6. Addison's disease
  7. Adrenal fatigue: What causes it?
  8. Alcoholic hepatitis (Alcohol-associated hepatitis)
  9. Alpha-gal syndrome
  10. Anaphylaxis
  11. Anaphylaxis: First aid
  12. Anaplastic large cell lymphoma
  13. Aneurysms
  14. Antibiotic-associated diarrhea
  15. Aortic aneurysm
  16. Appendicitis
  17. Appendix cancer
  18. Ascariasis
  19. At-home colon cancer tests
  20. Barrett's esophagus
  21. Barrett's Study Results
  22. Behcet disease
  23. Belching, gas and bloating: Tips for reducing them
  24. Bile reflux
  25. Biliary tract cancer: Should I get a second opinion?
  26. Bladder stones
  27. Blastocystis hominis
  28. Blighted ovum: What causes it?
  29. Botulism
  30. C. difficile infection
  31. Calcium supplements: A risk factor for heart attack?
  32. Carcinoid tumors
  33. Cardiogenic shock
  34. Celiac disease
  35. Chagas disease
  36. Chlamydia trachomatis
  37. Cholangiocarcinoma (bile duct cancer)
  38. Cholecystitis
  39. Chronic lymphocytic leukemia
  40. Churg-Strauss syndrome
  41. Colon cancer
  42. Colon Cancer Family Registry
  43. Colon cancer prevention: What you can do
  44. Colon cancer screening: At what age can you stop?
  45. Colon cancer screening: Weighing the options
  46. Colon cancer stool: What to look for and how to test at home
  47. Colon polyps
  48. Constipation in children
  49. Crohn's Crisis
  50. Crohn's disease
  51. Crohn's disease and the gut microbiome
  52. Crohn's or Colitis
  53. Cryotherapy
  54. Cyclic vomiting syndrome
  55. Delusional parasitosis
  56. Dengue fever
  57. Diabetic ketoacidosis
  58. Diabetic neuropathy
  59. Diabetic neuropathy types: Symptoms tell the story
  60. Diabetic neuropathy: Can dietary supplements help?
  61. Diarrhea
  62. Diffuse large B-cell lymphoma
  63. Digestion: How long does it take?
  64. Diverticulitis
  65. Dr. Mark Truty (surgery, MN) better outcomes with chemo
  66. Dr. Wallace Video
  67. E. coli
  68. Early-onset colon cancer
  69. Ectopic pregnancy
  70. Egg allergy
  71. Encopresis
  72. Enlarged liver
  73. Enlarged spleen (splenomegaly)
  74. Eosinophilic esophagitis
  75. Epididymitis
  76. Esophagitis
  77. Fatty liver disease (MASLD)
  78. Fatty liver disease (MASLD) diet
  79. Fecal transplant treatment of C. difficile at Mayo Clinic
  80. Fibromuscular dysplasia
  81. Flu Shot Prevents Heart Attack
  82. Food allergy
  83. Food allergy or intolerance?
  84. Food poisoning (foodborne illness)
  85. Fructose intolerance: Which foods to avoid?
  86. Gallbladder cancer
  87. Gallbladder cleanse: A 'natural' remedy for gallstones?
  88. Gallbladder polyps: Can they be cancerous?
  89. Gallstones
  90. Gas and gas pains
  91. Gastroesophageal reflux disease (GERD)
  92. GERD: Can certain medications make it worse?
  93. GI Stents
  94. Giardia infection (giardiasis)
  95. Gonorrhea
  96. Guide to different tick species and the diseases they carry
  97. Hantavirus pulmonary syndrome
  98. Headaches in children
  99. Heart attack
  100. Heart attack prevention: Should I avoid secondhand smoke?
  101. Heart attack symptoms: Know what's a medical emergency
  102. Heart Attack Timing
  103. Heartburn medicines and B-12 deficiency
  104. Helicobacter pylori (H. pylori) infection
  105. Hemolytic uremic syndrome (HUS)
  106. Henoch-Schonlein purpura
  107. Hepatitis A
  108. Hepatitis B
  109. Hepatitis B and Hepatitis C: What's the difference?
  110. Hepatocellular carcinoma (HCC)
  111. Hives and angioedema
  112. How irritable bowel syndrome affects you
  113. Hypercalcemia
  114. Hyperglycemia in diabetes
  115. Indigestion
  116. Inflammatory bowel disease (IBD)
  117. Inflammatory bowel disease FAQs
  118. Infographic: Pancreatic Cancer: Minimally Invasive Surgery
  119. Infographic: Pancreatic Cancers-Whipple
  120. Infographic: Pancreatic Neuroendocrine Tumors
  121. Intervention: Help a loved one overcome addiction
  122. Intestinal ischemia
  123. Intestinal obstruction
  124. Irritable bowel syndrome
  125. Is a clinical trial for biliary tract cancer right for me?
  126. Is there a special diet for Crohn's disease?
  127. Ischemic colitis
  128. Kawasaki disease
  129. Kidney infection
  130. Lactose intolerance
  131. Lead poisoning
  132. Livedo reticularis: When is it a concern?
  133. Liver cancer
  134. Liver cancer FAQs
  135. Liver cysts: A cause of stomach pain?
  136. Liver disease
  137. Liver disease: How medications can harm the liver
  138. Liver hemangioma
  139. Lymphoma
  140. Lymphoma FAQs
  141. Maintain your social life with Crohn's disease
  142. Mayo Clinic Minute: Avoiding summer E. coli infection
  143. Mayo Clinic Minute: What is an aneurysm?
  144. Mayo Clinic Minute: What you need to know about polyps in your colon
  145. Mayo Clinic study reporting increased incidence of C. difficile infection
  146. Median arcuate ligament syndrome (MALS)
  147. Medications for liver failure
  148. Mental health providers: Tips on finding one
  149. Mental health: Overcoming the stigma of mental illness
  150. Mental illness
  151. Mesenteric lymphadenitis
  152. Mesothelioma
  153. Milk allergy
  154. Miscarriage
  155. Mittelschmerz
  156. Mucus in stool: A concern?
  157. Narrow stools: Should I be concerned?
  158. Neuroblastoma
  159. New Test for Preeclampsia
  160. Non-Hodgkin lymphoma
  161. Norovirus infection
  162. NSAIDs: Do they increase my risk of heart attack and stroke?
  163. Opera Star's Surgery
  164. Ostomy: Adapting to life after colostomy, ileostomy or urostomy
  165. Ovarian cysts
  166. Ovarian cysts and infertility: A connection?
  167. Ovarian hyperstimulation syndrome
  168. Palliative care for biliary tract cancer
  169. Pancreatic cancer
  170. Pancreatic Cancer Survivor
  171. Pancreatic cysts
  172. Pancreatic neuroendocrine tumors
  173. Pancreatitis
  174. Pelvic inflammatory disease (PID)
  175. Peritoneal carcinomatosis
  176. Peritonitis
  177. Pheochromocytoma
  178. Pinworm infection
  179. Placental abruption
  180. Plague
  181. Porphyria
  182. Postpartum preeclampsia
  183. Precision medicine: A new way to treat biliary cancers
  184. Prednisone withdrawal: Why taper down slowly?
  185. Preeclampsia
  186. Primary biliary cholangitis (PBC)
  187. Primary sclerosing cholangitis (PSC)
  188. Proctitis
  189. Pseudomembranous colitis
  190. Radiofrequency ablation
  191. Rectal cancer
  192. Researchers Develop New Stents for Complex Aortic Aneurysms
  193. Ricin poisoning
  194. Rotavirus
  195. Ruptured spleen
  196. Salmonella infection
  197. Salt craving: A symptom of Addison's disease?
  198. Scrotal masses
  199. Sexually transmitted disease (STD) symptoms
  200. Sexually transmitted diseases (STDs)
  201. Shellfish allergy
  202. Shigella infection
  203. Silent heart attack
  204. Small lymphocytic lymphoma
  205. Small vessel disease
  206. Spastic colon: What does it mean?
  207. Stage 4 (metastatic) colon cancer
  208. Staying active with Crohn's disease
  209. STD testing: What's right for you?
  210. Stool color: When to worry
  211. Swallowing gum: Is it harmful?
  212. Symptom Checker
  213. Tapeworm infection
  214. Testicular torsion
  215. Tips for easing stress when you have Crohn's disease
  216. Toxic hepatitis
  217. Traveler's diarrhea
  218. Treatment options for biliary tract cancer
  219. Trichinosis
  220. Triple X syndrome
  221. Tubular adenoma of the colon
  222. Typhoid fever
  223. Ulcerative colitis
  224. Ulcerative colitis flare-ups: 5 tips to manage them
  225. Ulcerative colitis vs. Crohn's disease
  226. Undigested food in stool
  227. Vasculitis
  228. Vesicoureteral reflux
  229. What causes laryngospasm?
  230. What is biliary tract cancer?
  231. What is Crohn's disease? A Mayo Clinic expert explains
  232. What is liver cancer? An expert explains
  233. What is lymphoma? An expert explains
  234. What is pancreatic cancer? A Mayo Clinic expert explains
  235. What is ulcerative colitis? A Mayo Clinic expert explains
  236. Where can I learn more about living with Crohn's disease?
  237. Whipple's disease
  238. White stool: Should I be concerned?
  239. Wilms tumor
  240. Zollinger-Ellison syndrome