Brief Answer:
Probably herpes simplex virus.

Detailed Answer:

Hello,

My name is dr.Dorina Gurabardhi.

I read carefully your query and understand your concern.

Your symptoms seem to be related to herpes simplex virus.
It is a very common virus.In most people it get repeated in time.

Some advices that I can give to you are:
-use over the counter cream to relieve the sore
-use cold compress to relieve the pain
-wash you hands frequently
-used sunscreen because sun influence negatively in repeating the sore.
-try to avoid kissing others to prevent transmission of the virus
-if it doesn't get better you should take oral prescribed antiviral medication.
You should consult your doctor about this treatment

Hope my answer was helpful.
If you have any other questions feel free to contact me again.
Kind regards!
Dr.Dorina Gurabardhi
General &Family Physician

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