A member asked:

Why can't i use betamethasone on a cold sore?

A doctor has provided 1 answer

Not advised...: ...Because it won't do anything, and could possibly make the situation worse. Cold sores are caused by the herpes virus, and Betamethasone not only has no activity against viruses, but may decrease your body's own immune response to the virus, which could worsen the condition.

Answered 5/16/2015

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