Valacyclovir is the hydrochloride salt of L-valyl ester of the antiviral drug acyclovir. Valacyclovir is an antiviral drug. It slows the growth and spread of the herpes virus so that the body can fight off the infection. Valacyclovir lessens the symptoms of infections and shortens the length of time of sickness. Valacyclovir is used in the treatment and suppression of genital herpes, shingles and cold sores.
(in Tablet form)
Cold Sores: 2 grams every 12 hours for 1 day
Initial episode: 1 gram twice daily for 10 days
Recurrent episodes : 500 mg twice daily for 3 days
Immunocompetent patients : 1 gram once daily
Alternate dose in patients with < 9 recurrences/y : 500 mg once daily HIV-infected patients : 500 mg twice daily Reduction of transmission : 500 mg once daily Herpes Zoster: 1 gram 3 times daily for 7 days Pediatric Dosage- Cold Sores (> 12 years of age) : 2 grams every 12 hours for 1 day
Chickenpox (2 to < 18 years of age) : 20 mg/kg 3 times daily for 5 days; not to exceed 1 gram 3 times daily Manufacturer: Square Pharmaceutical Ltd.