1 doctor weighed in:

How can Valtrex (valacyclovir) and abreva work with cold sores?

1 doctor weighed in
Dr. Heidi Fowler
Psychiatry

In brief: They are both

antiviral medications.
Cold sores are caused by the Herpes Simplex which is a virus.

In brief: They are both

antiviral medications.
Cold sores are caused by the Herpes Simplex which is a virus.
Dr. Heidi Fowler
Dr. Heidi Fowler
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