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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Severe Diarrhea Followed By Fainting?

My sister went out to breakfast by herself and after she was done, she ran to the bathroom and had severe diarrhea and then went to the front of the restaurant, sat down to catch a cab. She immediately passed out and next thing she knew an ambulance was called to assist. She woke up and could not remember what happened to her. Sisters
are in different states and trying to figure out what happened. She has a doctors appointment next week.
Thanks,
Thu, 12 Jul 2018
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General & Family Physician 's  Response
Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.

She can have food poisoning by bacterial toxin and so having immediate diarrhea.

By excess diarrhea fluid loss can be there and so by dehydration and electrolyte lost dizziness can occur and so she might faint for some time

Maintain hydration with lots of water

Stool routine micro examination is advisable

Take ORS also with water

Hope this will help you

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What Causes Severe Diarrhea Followed By Fainting?

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. She can have food poisoning by bacterial toxin and so having immediate diarrhea. By excess diarrhea fluid loss can be there and so by dehydration and electrolyte lost dizziness can occur and so she might faint for some time Maintain hydration with lots of water Stool routine micro examination is advisable Take ORS also with water Hope this will help you