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Valacyclovir is an antiviral medication used to treat infections caused by certain types of viruses. It is most commonly used to treat herpes simplex virus (HSV) infections, including genital herpes, cold sores, and shingles (herpes zoster). Valacyclovir works by preventing the virus from multiplying and spreading to other cells in the body.
Common side effects of valacyclovir include nausea, vomiting, headache, dizziness, and tiredness. Other side effects may include abdominal pain, diarrhea, and joint pain.
Brand names associated with valacyclovir include Valtrex, Zelitrex, and Valaciclovir.
All of the following must be considered when interpreting clinical findings and are too extensive to be covered on this site: