A member asked:

I take acylivor for cold sores, are there any long term affects i should be aware of?

3 doctors weighed in across 2 answers

Acyclovir is very...: Well tolerated. No clear long term effects.

Answered 9/28/2016

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Dr. Meng Syn answered

Safe: So far, Acyclovir has been shown to be safe and no long term affects have been scientifically linked to it. Acyclovir interferes with virus replication specifically an enzyme that is only present during an early viral infection.

Answered 2/8/2015

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