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Doctor insights on: Gas After Stomach Flu

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I had the stomach flu for about 48 hours. I am still eating bland foods and am now experiencing constipation and gas. Is this normal?

I had the stomach flu for about 48 hours. I am still eating bland foods and am now experiencing constipation and gas. Is this normal?

Stomach flu: When recovering your intestinal motility (how your body moves things through your intestines) may be irregular. Drink plenty of water, increase fiber intake, and consider taking some yogurt with live cultures or acidophilus. ...Read more

Dr. David Cohen
850 Doctors shared insights

Stomach Flu (Definition)

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 ...Read more


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I was recently sick with stomach flu and I ate pizza today and now I'm passing gas every minute. Is it just from pizza or because I was sick?

I was recently sick with stomach flu and I ate pizza today and now I'm passing gas every minute. Is it just from pizza or because I was sick?

Probably both: It's common for people who normally tolerate milk to have gas, cramps, loose stools, etc with milk, cheese, etc after viral gastroenteritis ("stomach flu"). The infection reduces the intestinal enzyme lactase, which digests milk sugar. Poorly digested milk gives intestinal bacteria a feast -- and wheN THEY digest it, acid and gas are produced, with symptoms like yours. It should improve soon. ...Read more

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I get gas every time I eat. This has been happening since I got the stomach flu 6 months ago. I couldn't drink milk for a while also. What is this?

I get gas every time I eat. This has been happening since I got the stomach flu 6 months ago. I couldn't drink milk for a while also. What is this?

Gut bacteria: Digestion problems after a recent illness may be due to alterations of the natural bacteria in the gut. This can occur due to antibiotics taken for an infection or the infection itself. Typically the natural bacteria will repopulate over time however taking a good quality probiotic supplement may help. ...Read more

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Stomach flu. Lots of dry heaving. Now very painful in upper back, feels full of gas. Ideas?

Stomach flu. Lots of dry heaving. Now very painful in upper back, feels full of gas. Ideas?

OTC: There are many otc products for relief of symptoms related to viral gastroenteritis. Check with your pharmacist. If these do not work or you are getting worse or develop fever, see a doctor asap. ...Read more

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Hi I'm having back pain, stomach pain upper & lower & gas. And no v&d but feel naueous. Already had the stomach flu & got over it. What is it now?

Hi I'm having back pain, stomach pain upper & lower & gas. And no v&d but feel naueous. Already had the stomach flu & got over it. What is it now?

See your doctor: This is one of those problems where a visit to your doctor is necessary to figure out what's going on. Only after a thorough evaluation, including examination and possibly labs and other tests, can your doctor correctly diagnose you and treat you effectively. ...Read more

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What to do if I have severe gas, bloating, and yellow stools after having a stomach flu a couple of days ago is this normal?

What to do if I have severe gas, bloating, and yellow stools after having a stomach flu a couple of days ago is this normal?

Altered gut flora: When you have an infection, like the flu, it can change the mix of bacteria that normally live in your colon.
That can give you gas, bloating and change the color of your stools. A few days of yogurt and normal diet should straighten things out. ...Read more

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I had the Stomach Flu and now for the past two days I've had shortness of breath, gas, and chest tightness. I don't have a fever. Is this pneumonia?

I had the Stomach Flu and now for the past two days I've had shortness of breath, gas, and chest tightness. I don't have a fever. Is this pneumonia?

Needs to be checked: It is difficult to say what it could be, But any shortness of breath and chest tightness needs to be evaluated. I suggest go to the ER and get checked. They will take a detailed history and exam and if indicated a chest xray to diagnose and treat your condition ...Read more

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Had stomach flu for 5 days. Day 1 vomiting and diarrhea and bad stomach pain. Day 2 diarrhea and abdominal pain. Still have abdominal pain and gas.

Had stomach flu for 5 days. Day 1 vomiting and diarrhea and bad stomach pain. Day 2 diarrhea and abdominal pain. Still have abdominal pain and gas.

Gastroenteritis: A viral gastroenteritis is likely. Treatment consists of resting, drinking adequate amounts of room temperature fluids including flat ginger ale to settle nausea, light diet of broths and saltine crackers, no roughage, kaopectate to control diarrhea and Tylenol to relieve aches and pains. Symptoms should gradually improve over a few days. See your MD if abdominal pain persists or symptoms worsen. ...Read more

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How common is the stomach flu?

How common is the stomach flu?

Quite common: It is most often communicated through contaminated water or food. ...Read more

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How does the stomach flu begin?

How does the stomach flu begin?

Usually Nausea: Stomach virus may start with vague symtoms, but vomiting and nausea are most prominent symptoms over first 24-48 hrs. These is usually followed by onset of diarrhea which is typically last symptom to resolve. Fever can be part of illness first 1-3 dys. ...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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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

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What to do with stomach flu?

What to do with stomach flu?

Prevent dehydration: Lots of fluids, esp fluids with salts to prevent dehydration - either oral or IV if needed.
Symptomatic management. ...Read more

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What to do about stomach flu?

What to do about stomach flu?

GI Flu: 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. If you are having frequent, chronic symptoms - it may not be due to viral infections. If this is the case, med eval would be prudent. ...Read more

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What to do with the stomach flu?

Nausea and Vomiting: The most important part of dealing with nausea and vomiting is avoiding dehydration. Nausea can be treated with prescription meds such as Phenergan (promethazine) or zofran. Ginger tablets can be tried as a natural remedy for nausea. High sugar drinks can make diarrhea worse. Lower sugar drinks are more quickly absorbed by body and safer. ...Read more

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Know how contagious is the stomach flu?

Know how contagious is the stomach flu?

Depends on Etiology: Most stomach illnesses are caused by viruses and can be spread person to person by fecal-oral route. Frequent hand washing and disinfecting shared surfaces is most effective prevention strategy. ...Read more

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What can I eat if I have the stomach flu?

What can I eat if I have the stomach flu?

Stay hydrated: 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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What to take for a stomach flu in general?

What to take for a stomach flu in general?

No meds - fluids: Lots of fluids, esp fluids with salts to prevent dehydration - either oral or IV if needed. Symptomatic management. ...Read more

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What are the usual symptoms of stomach flu?

Misnomer: This may be an infection, often a virus, characterized by diarrhea and vomiting. Repeated such episodes can often be due to bad diet. ...Read more

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My wife has the stomach flu am I contagious?

Gastroenteritis: Is not airborne. If you are not infected then you should not be contagious. ...Read more

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What are things to eat during a stomach flu?

Gastroenteritis: Start w clear liquid like water, 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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What can I do for náusea jof the stomach flu?

What can I do for náusea jof the stomach flu?

FLU Syndrome: Nausea with other sx. Give small amounts of fluids at a time, no juice or milk. If getting worse, use anti- emetic suppository or see md. ...Read more

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Can you have the stomach flu without diarheea?

Can you have the stomach flu without diarheea?

Sure!: Oh, sure, why not? Seriously, yes, you can. Sometimes though the diarrhea follows a few days later, just to make things more special. Keep well hydrated, consider a probiotic, and keep foods simple. Consult a doc if dehydration occurs, or if vomiting isn't stopping. ...Read more

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What to do if I have stomach flu, please help!?

Stomach flu: Start with clear liquid like water, soda that is clear, or sports hydration drinks. Sip often to prevent dehydration. 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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What to eat and not eat after having stomach flu?

What to eat and not eat after having stomach flu?

Bland diet/avoid spi: Eat bland diet and avoid very sicy foods and large fatty meals and drink more fluids/water. ...Read more

Dr. M. Jan Dr. Jan
1 doctor agreed:
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Can you describe the initial signs of the stomach flu?

Dr. M. Jan Dr. Jan
1 doctor agreed:
Can you describe the initial signs of the stomach flu?

Few: Vomiting. Later, abdominal pain, diarrhea, slight fever, weakness and just feeling bad. ...Read more

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Is it possible to catch the 'stomach flu' from someone?

See below: Usually transmission is by direct contact with the virus itself via direct contact with the person or something which the affected person was in contact with recently. Occasionally, theoretically, respiratory droplets from the person could infect others as well. ...Read more

Dr. Stephen Scholand
1,259 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