See a doctor for diagnosis and to identify the cause
Follow the prescribed treatment plan
Stay hydrated with water or oral rehydration solutions
Eat small, bland meals if tolerated
Avoid alcohol, caffeine, spicy foods, and high-fat foods
Avoid dairy if it worsens symptoms
Rest and reduce physical stress
Take prescribed medications exactly as directed
Use anti-inflammatory medicines if prescribed
Use antibiotics only if a bacterial cause is confirmed or suspected by a clinician
Use antidiarrheal medicines only if approved by a clinician
Stop smoking
Manage stress
Seek urgent care for severe abdominal pain, heavy bleeding, dehydration, high fever, or fainting