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cold sores

what is a fluid filled  painfull blister on upper lip
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563773 tn?1374246539
MEDICAL PROFESSIONAL
Hello,
I cannot confirm anything without examination but it can be a cold sore or a boil.

Cold sores are caused by a virus and are extremely contagious. The only way of ruling it out is by getting yourself tested for herpes. Laboratory tests include: culture of the virus, direct fluorescent antibody (DFA) studies to detect virus, skin biopsy, and polymerase chain reaction (PCR) to test for presence of viral DNA. I sincerely advise you to consult a dermatologist and get it ruled out.

Hope it helps.Take care and pls do keep me posted on how you are doing or if you have any additional doubts.Kind regards.
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Avatar universal
Sounds like herpes!
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