4 doctors weighed in:
What can I put on fever blister?
4 doctors weighed in

Dr. Jennifer Haley
Dermatology
3 doctors agree
In brief: Otc recs
A fever blister, assuming this is the correct diagnosis, is often confirmed by a culture showing herpes simplex virus.
It tends to recur in the same location with excess stress and too much sun. Oral rx medications started early work best. Otc options include abreva topically and l-lysine which is a natural remedy. There are some reports of tea tree oil working but a lot of people get irritat.

In brief: Otc recs
A fever blister, assuming this is the correct diagnosis, is often confirmed by a culture showing herpes simplex virus.
It tends to recur in the same location with excess stress and too much sun. Oral rx medications started early work best. Otc options include abreva topically and l-lysine which is a natural remedy. There are some reports of tea tree oil working but a lot of people get irritat.
Dr. Jennifer Haley
Dr. Jennifer Haley
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