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What Causes Severe Vomiting With Bright Yellow Stool?

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Posted on Fri, 7 Apr 2017
Question: I was overseas vomiting for a week i got back was ok for 3days a bit runny in the tummy now i cant hold anything in the other way. Bright yellow. Giadia?
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Answered by Dr. Bonnie Berger-Durnbaugh (36 minutes later)
Brief Answer:
Information and Questions so that I can answer you more specifically:

Detailed Answer:
Hello XXXXXXX

Bright yellow stools in themselves aren't diagnostic for a specific cause of diarrhea. The more rapid time that food moves through your digestive tract can account for the bright yellow color because the pigments in the bile that normally color the stool brown don't have time to be broken down in the intestines to do so.

If you picked up an infection overseas, the cause depends largely on where you were, and what things you were exposed to there. For example, were you in Mexico and drank tap water there? Were you in XXXXXXX and ate food from a street vendor?

How long has the diarrhea been going on? What other symptoms are you having such as fever, abdominal pain?

Are you able to stay adequately hydrated? A lot of fluid and potassium are lost with diarrhea. Are you feeling excessively thirsty or making less urine than usual?
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Follow up: Dr. Bonnie Berger-Durnbaugh (54 minutes later)
Less urine yes. I ate some fermented vegies & juice that didnt seem to make me feel great & had these symptoms a month ago so went on giadia antibiotics. I did have a lot of antibiotics at one time which i wondered if it causes issues. Then i had a week break in Orange County California. Then got very sick on way to new york & was sick whole time for 7 days then got home 4 days agowas ok but slightly runny tummy 4 days no nausea. now full diorhea?
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Answered by Dr. Bonnie Berger-Durnbaugh (12 minutes later)
Brief Answer:
Information

Detailed Answer:
If you are making less urine, then you are likely getting dehydrated. I recommend going in to a clinic where they can assess you for dehydration and electrolyte imbalances, get a complete blood count (which can indicate an infection), and order stool studies for Giardia and ova and parasites and culture.

It is possible, if you were on antibiotics, that the diarrhea is either from a secondary bacterial infection with c. difficile, or could be from intestinal microbial imbalance from the good bacteria being decreased by the antibiotics. You can be tested for c.dificile with the above labs.

Things you can do at home are to drink coconut water (not coconut milk) which has a good balance of electrolytes and will help with rehydration. For food, small amounts of thoroughly cooked rice (cook with extra water, for longer time than called for), apple sauce, bananas.

Pepto Bismol is an antidiarrheal that also has some benefit for traveler's diarrhea, so consider taking that too. Note that it will make stools look black or gray.

Note: For further follow up on digestive issues share your reports here and Click here.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Bonnie Berger-Durnbaugh

General & Family Physician

Practicing since :1991

Answered : 3134 Questions

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What Causes Severe Vomiting With Bright Yellow Stool?

Brief Answer: Information and Questions so that I can answer you more specifically: Detailed Answer: Hello XXXXXXX Bright yellow stools in themselves aren't diagnostic for a specific cause of diarrhea. The more rapid time that food moves through your digestive tract can account for the bright yellow color because the pigments in the bile that normally color the stool brown don't have time to be broken down in the intestines to do so. If you picked up an infection overseas, the cause depends largely on where you were, and what things you were exposed to there. For example, were you in Mexico and drank tap water there? Were you in XXXXXXX and ate food from a street vendor? How long has the diarrhea been going on? What other symptoms are you having such as fever, abdominal pain? Are you able to stay adequately hydrated? A lot of fluid and potassium are lost with diarrhea. Are you feeling excessively thirsty or making less urine than usual?