Why Do I Get Diarrhea After Eating Out? Common Causes & Solutions

* Food poisoning: This is the most common cause of diarrhea after eating out. It occurs when you eat food contaminated with bacteria, viruses, or parasites. Food poisoning can cause a variety of symptoms, including diarrhea, vomiting, abdominal pain, and fever.

* Lactose intolerance: This is a condition in which your body is unable to digest lactose, the sugar found in milk and other dairy products. Lactose intolerance can cause diarrhea, gas, and bloating.

* Celiac disease: This is an autoimmune disorder that causes damage to the small intestine. Celiac disease can cause diarrhea, weight loss, abdominal pain, and other symptoms.

* Irritable bowel syndrome (IBS): This is a chronic condition that affects the digestive system. IBS can cause diarrhea, constipation, abdominal pain, and bloating.

* Crohn's disease: This is a chronic inflammatory condition that affects the digestive tract. Crohn's disease can cause diarrhea, abdominal pain, weight loss, and other symptoms.

* Ulcerative colitis: This is a chronic inflammatory condition that affects the colon. Ulcerative colitis can cause diarrhea, abdominal pain, rectal bleeding, and other symptoms.

* Medications: Some medications can cause diarrhea as a side effect. These medications include antibiotics, chemotherapy drugs, and laxatives.

* Alcohol: Drinking alcohol can cause diarrhea in some people.

* Stress: Stress can cause diarrhea in some people.