Doctor insights on: Stomach flu

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Dr. David Cohen
840 Doctors shared insights

Stomach Flu (Overview)

Viral gastroenteritis is a viral infection of the GI tract. It can be picked up from contact with surfaces and foods that are carrying the virus. Symptoms include upset stomach, nausea, vomiting, diarrhea, and abdominal cramps. Sometimes fever and chills occur.


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How does stomach flu start?

How does stomach flu start?

GI upset: The symptoms of stomach flu (viral gastroenteritis) can include: nausea, vomiting, headache, watery bowel movements (not bloody), abdominal cramps and a low fever. ...Read more

Dr. David Cohen
840 Doctors shared insights

Stomach Flu (Overview)

Viral gastroenteritis is a viral infection of the GI tract. It can be picked up from contact with surfaces and foods that are carrying the virus. Symptoms include upset stomach, nausea, vomiting, diarrhea, and abdominal cramps. Sometimes fever and chills occur.


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But is diarrhea a required symptom of stomach flu?

But is diarrhea a required symptom of stomach flu?

Not at first: When you first get "a stomach flu bug", your gut may protest it by trying to shut down altogether. In this stage you feel the nausea and vomiting, because stuff just does not want to go through. It's usually later that the body tries to "wash out the virus" by dumping more fluids in the gut to try and wash out the virus - and then boom, diarrhea. So early on you may not poop at all. ...Read more

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Stomach flu (Tip)

It is usually self limited. Avoid citrics, dairy products, caffeine, spicy foods, chocolates, mints. ...See more

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Recently, I've been stressed, tired and constipated. When I did poop the color is yellowish, but now its dark green. Is this a sign of stomach flu?

Recently, I've been stressed, tired and constipated. When I did poop the color is yellowish, but now its dark green. Is this a sign of stomach flu?

No: Many things cause constipation. Stress is one. Get lots of rest, drink lots of water, eat fruit and if needed get miralax (polyethylene glycol). It is safe and effective over several days. Stomach flu makes you feel sick. If you are feeling well stool color is not important unless you see blood. That requires immediate investigation. You may need stress management if you can't manage on your own. Read up on it. ...Read more

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Stomach flu (Tip)

Take it easy; rest. Be gentle with your stomach. Water, then bland foods. ...See more

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What are the tests for stomach flu?

What are the tests for stomach flu?

Usually none: Stomach flu is usually caused by a virus. There are many viruses that can cause it, and they are quite contagious. The good news is that it goes away on its own and doesn't generally need special testing or treatment (other than making sure you don't get dehydrated!) prolonged vomiting (more than a couple days) or prolonged diarrhea (more than a couple weeks) should prompt a visit to the doctor. ...Read more

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How do you know if you have stomach flu.?

How do you know if you have stomach flu.?

Gastroenteritis: The symptoms of stomach flu (viral gastroenteritis) can include: nausea, vomiting, headache, watery bowel movements (not bloody), abdominal cramps and a low fever. Your physician can confirm diagnosis. ...Read more

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Does nausea medicine always work for nausea caused from stomach "flu" bug? Nothing has helped the nausea yet. I get it on and off through the day.

Does nausea medicine always work for nausea caused from stomach "flu" bug? Nothing has helped the nausea yet. I get it on and off through the day.

It should: There are many types of nausea medicines. You may want to check with your doctor to see if something else should be tried. ...Read more

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Does anal mucus mean a temporary stomach flu problem, or a worse disorder?

Does anal mucus mean a temporary stomach flu problem, or a worse disorder?

Steps to take: If you have mucus in your stools. Referral for colonoscopy /sigmoidoscopy if you have rectal bleeding, night time abdominal pain, weight loss, anemia.If you have mucus +diarrhea-stool cultures to rule out GI infection. Lactose intolerance shd be considered to modify diet, need also to rule out celiac, ibs (inflammatory bowel disease), usually with yellow mucus. Be sure to see your doctor. ...Read more

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How do physicians treat stomach flu?

If a person becomes: Seriously dehydrated they may need intravenous hydration. Start with clear liquid like water, soda that is clear, or sports hydration drinks. Sip, sip, sip. Work up to solids with bland foods like bananas, rice, applesauce, toast, gelatin, or chicken. Avoid alcohol, nicotine, caffeine, dairy ; high fat foods. Rest. ...Read more

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Stomach flu treatment?

Gastroenteritis: Start w clear liquid like water, slightly flattened soda that is clear, or sports hydration drinks. Sip, sip, sip. Work up to solids w bland foods like bananas, rice, applesauce, toast, gelatin, or chicken. Avoid alcohol, nicotine, caffeine, dairy & high fat foods. Rest. ...Read more

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How to cure stomach flu?

How to cure stomach flu?

Stomach Flu: It tends to run it's course. Be gentle with your GI tract. Start with clear liquid like water, soda that is clear, or sports hydration drinks. Work up to solids with bland foods like bananas, rice, applesauce, toast, gelatin, or chicken. Avoid alcohol, nicotine, caffeine, dairy & high fat foods. Rest. ...Read more

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How to get rid of stomach flu fast?

Supportive care: Since stomach flu (viral gastroenteritis) is a virus, there's nothing that kills it. However, taking electrolyte-rich fluids, a bland low-sugar/high fat diet, and rest helps with the symptoms and keeps you hydrated. Probiotics also help your intestines recover. I hope you feel better soon! ...Read more

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Will the morning after pill work if you have stomach flu or other diarrheal disease?

Will the morning after pill work if you have stomach flu or other diarrheal disease?

Pill with stomachflu: I would always ask your ob-gyn or pharmacist also, but as long as you are able to keep the medicine down and not vomit it up (for at least an hour), an oral medicine should be absorbed ok. ...Read more

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Dr. Stephen Scholand
1,247 Doctors shared insights

Gastroenteritis (Definition)

A condition in which a person has vomiting and diarrhea due to an infection with "stomach flu" viruses. It is contagious, and usually resolves without treatment except for over-the-counter Pedialyte or other ...Read more


Upper Abdomen (Definition)

Draw a transverse line through the umbilicus and the upper abdomen includes every part of the belly above this line and below the ...Read more