A member asked:

I get a fever blister/ cold sore every month the week before my cycle. is this normal? also what causes it?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

Cold sores are: caused by the Herpes Simplex virus. Menstruation can be a trigger for cold sores in some women. You could talk to your doctor about use of antiviral medications. Take care.

Answered 9/28/2016

3.9k views

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