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A 59-year-old male asked:

The valtrex (valacyclovir) prescription for the treatment of my cold sores is1 gm. i took it twice for one day at an interval of 12 hours. istill have a big enough cold sore on my lip. should i continuetaking it?

4 doctor answers5 doctors weighed in
Dr. Gary Sandler
Dentistry 56 years experience
Early application!: That's a typical prescription. It works best when taken at the first sign of the outbreak. It is not a miracle drug. It merely helps the sores heal faster, keeps new sores from forming, and decreases pain/itching. This medication may also help reduce how long pain remains after the sores heal.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Larry Lutwick
Infectious Disease 51 years experience
One day treatment: Is not long enough. Usually 5-7 day rx should do the job.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Dominic Riganotti
Infectious Disease 27 years experience
Wrong dosage: Its 2 grams twice a day for one day actually.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. Martin Raff
Infectious Disease 58 years experience
May not be Herpes: Valtrex (valacyclovir) will not treat anything other than herpes simplex infection, and if not started immediately after onset may take a while to be effective, if at all.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Oct 4, 2016

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