Frequently asked question
How long does diarrhea usually last?
Short answer
Many acute episodes improve in one to several days. Lack of improvement after about two days in an adult, earlier in a child, or symptoms lasting weeks should be assessed.
Detailed explanation
Many acute episodes improve in one to several days. Lack of improvement after about two days in an adult, earlier in a child, or symptoms lasting weeks should be assessed. The safest next step depends on age, duration, fluid losses, other symptoms, medications, travel, and existing health conditions.
Related questions
Browse the complete FAQ library or read the main relief guide.