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A 22-year-old female asked:

Hi i wana know in how many days ucler in mouth can disappear in infants?its 6 day but my 4 mnth old cant drink properlh..what can i apple on ulcee

1 doctor answer2 doctors weighed in
Dr. Katharine Cox
Pediatric Emergency Medicine 45 years experience
2-3 weeks: An mouth ulcer should clear in 2-3 weeks at the most. If it persists or bleeds, see your doctor. All the best.

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Last updated May 13, 2015

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