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Many antibiotics cause diarrhea. This is not an allergic reaction.
Antibiotics can upset the natural balance of bacteria in the
digestive tract. Too many of the wrong kind of bacteria in the
digestive system can cause diarrhea.
The diarrhea is usually mild and will not cause a child to become
dehydrated or lose weight. The stools return to normal 1 or 2 days
after the child finishes the antibiotic treatment.
Your child does not need to stop taking the antibiotic.
Anti-diarrheal medicines are not necessary. Follow a regular diet
with a few simple changes:
Sometimes the diarrhea causes a rash around the anus. Wash the
irritated area with water and then protect the skin with a thick
layer of petroleum jelly or other ointment.
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