Valtrex is an antiviral agent used in the treatment of herpes zoster (shingles), genital herpes and is also being used for herpes simplex (cold sores). Valtrex is the only once-a-day prescription medication proven to suppress future genital herpes outbreaks. More than 45 million Americans between the ages of 15 and 74 have the virus that causes genital herpes. That is one in every five people!

Valtrex®

Important Note
The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.

Common Brand Name(s)
Valtrex
Valacyclovir

Uses
Valtrex is an antiviral agent used in the treatment of herpes zoster (shingles), genital herpes and is also being used for herpes simplex (cold sores).

How to take this medication
Take this medication by mouth as directed. Take all this medication as prescribed. Do not skip doses or stop taking this without your doctor's approval. Stopping therapy too soon may result in ineffective treatment.

Side effects
Nausea, vomiting, headache, loss of appetite, weakness, stomach pain or dizziness may occur the first several days as your body adjusts to the medication. If any of these effects continue or become bothersome, inform your doctor. Notify your doctor if your condition does not appear to improve or you experience a worsening of symptoms while taking Valtrex.

Precautions
Tell your doctor if you have any kidney disease, blood disorders or if you have any allergies. This medication should be used only if clearly needed during pregnancy. Discuss the risks and benefits with your doctor. It is not known if Valtrex appears in breast milk. Consult with your doctor before breast-feeding.

Drug interactions
Tell your doctor of any over-the-counter or prescription medication you may take including cimetidine or probenecid.

Notes
Valtrex is most effective if it is started within 48 hours of when the rash first appears.

Miss dose
Try to take each dose at the scheduled time. If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.

Storage
Store this medication at room temperature between 59 and 77 degrees F (15 to 25 degrees C) away from heat and light. Keep this and all medications out of the reach of children.