Q. My mother is 66 and a letter carrier with 32 years of employment with the Postal Service. She loves her job, but as cuts are made and demands are harsher, she was wondering what would happen if she were to go to work one day and decide she wants to retire immediately.
Dose of Valtrex for Shingles. For the treatment of cold sores (herpes labialis) in adults and children age 12 and older, the recommended dose is Valtrex 2000 mg (2 grams), twice a day, for one day. The two doses should be taken about 12 hours apart.
A: Valtrex (valacyclovir) is approved for shingles, also referred to as herpes zoster, in immunocompetent adults. However, the effectiveness of Valtrex for shingles when treatment is initiated more than 72 hours after the onset of rash has not been established.: Valtrex (valacyclovir) is used for oral herpes, also referred to as cold sores or herpes labialis, in adults and pediatric patients 12 years of age and older. Valtrex is an antiviral medication.