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A 24-year-old female asked:

My dad is having herpes virus infection in eye. he is taking valcivir medicn.please tell me for how long can a person take medicine without sideefect?

2 doctor answers5 doctors weighed in
Dr. Tony Ho
Dr. Tony Hoanswered
Internal Medicine 15 years experience
Depends: There is no hard set duration for side effects of valacyclovir. There are many people who tolerate it just fine for months/years because they need to take it to suppress herpes infection; that being said, it doesn't mean there aren't other people that will react to it. Each person's body is different.
Dr. Pierre Guibor
Ophthalmology 56 years experience
Be sure to check BUN and creatine levels for renal toxicity
Oct 19, 2014
Dr. Sandra Lora Cremers
Ophthalmology 26 years experience
Herpes: Herpes in the eye is not uncommon. We sometimes will ask patients to take a maintenance dose of Acyclovir or valcyclovir for a year (or years) to prevent recurrence. The initial treatment is usually 10-14 days depending on findings under the eye microscope.
Last updated Apr 19, 2017
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