Drug Information on Valtrex (valacyclovir) includes drug pictures, side effects, drug interactions, directions for use, symptoms of overdose, and what to avoid. Valacyclovir is an antiviral medication that's used to treat herpes and cold sores. It's sold under several brand names, the most common of which are “Valtrex”. Valacyclovir oral tablet is a prescription medication used to treat or prevent infections caused by the herpes simplex virus. These include cold sores, genital.
Effects of valtrex - apologise, but
patients. Reprint Permissions A single copy of these materials may be reprinted for noncommercial personal use only. Call your doctor right away if you have serious side effects. For suppression therapy in HIV-infected patients, reported side effects included headache, fatigue and rash. All of these conditions are caused by the herpes virus and Valtrex works by helping the body fight the infection by preventing the efgects from replicating.