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Author: Admin | 2025-04-28
Cold sores.There are 2 types of treatment: treatment for an immediate outbreak or daily preventative treatment. The prescription medicines we prescribe for both types of treatment are antivirals.Treatment for an immediate outbreak aims to make your symptoms go away faster.Daily preventative treatment aims to stop you getting so many outbreaks, and if you do get outbreaks, they should be less severe and not last as long.We prescribe the oral antiviral medicines acyclovir 400 mg, valacyclovir 1g or 1000 mg, and famicyclovir 500 mg tablets to treat an immediate outbreak.For daily preventative treatment we prescribe acyclovir 400mg and valacyclovir 500mg.The FDA approved use of valacyclovir or famicyclovir for treating cold sores when they come on. We offer these medicines explicitly for these uses.Although commonly prescribed in the US to treat cold sores, the FDA has not approved use of acyclovir for immediate outbreak or acyclovir or valacyclovir for daily preventative treatment to treat cold sores the way we prescribe them. This means the way we prescribe them is ‘off-label’ use. Please note, these medicines are commonly in this manner and as outlined in peer reviewed medical references.The risks of taking any medicine include side effects or allergic reaction to the medicine. This is true with any prescription or over-the-counter medicine. In addition, the treatment we give you at first may not work as well as expected, which may mean you'll need to change your medicines, add medicines, or see a doctor or nurse practitioner in person.It's possible that you may see
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