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How long can stomach flu last

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I am wondering if a stomach flu can last 8 days? I am just starting to feel better, but still a little weak staying home from work.

Category: Internal Medicine Specialist

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Category: Internal Medicine Specialist
 25 Doctors Online


Thank you for the consult:
Stomach flu (Acute Viral Gastroenteritis )usually last for 1-4 days. But the bowel habits can take upto 10 days to return to normally.
In certain other cases especially when the stomach flu is caused by a bacteria, the symptom duration can last for a week 7.


1.In either case, if you were getting better over the last couple of days, you need not be worried.

2. You should be taking your regular diet (avoid milk products if it is causing some discomfort).

3. A probiotic drink/capsules can be taken for week. (optional).

Some mild fatigue, malaise and bowel discomfort might be there. You need give much concern to these symptoms. It will resolve in few days.


Hope this helps.
Please feel free to ask follow-up questions.
Thank you

Dr. Steve Merris
Category: Internal Medicine Specialist
Medical School - New York University
Internship in Internal Medicine - Beth Israel Medical Center
Residency in Internal Medicine - Beth Israel Medical Center
Fellowship in Pulmonary and Critical Care Medicine - Columbia University Medical Center
Dr. Steve Merris and 4 other Medical Specialists are ready to help you

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