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blister in roof of mouth it may be sinus drainage she took antibodics but
it reaccures can you help ?


Unfortunately canker sores or fever blisters or mouth ulcers tend to reoccur after they have been treated with antibiotics. People who tend to have them unfortunately develop the habit of having them very often. It isn’t unusual for cold sores to appear on the roof of your daughter’s mouth and since she had it once before you know the procedure. They will last between 10 to 14 days and afterwards they will go on their own but you can ease some symptoms with medications and help your body with boosting immune system.

If, by any chance, she develops high fever, irritation of the eyes or some others severe symptoms contact your pediatrician. And don’t forget that cold sores are contagious and that you can get infected easily.