A member asked:

I received a horrible sunburn on my face on vacation. i now have an arch shaped cluster of blisters on my upper lip. they have been there a month.

A doctor has provided 1 answer

Blisters: These may be a sign of herpes infection. Any way to send a picture? Sun, stress, other infections, all tend to increase risk that herpes infections flare up.

Answered 7/23/2016

1.1k views

Thank

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