Valtrex (Valacyclovir)

What is this medicine?

Valtrex (Valacyclovir) is used for treating shingles, cold sores, and treating or suppressing genital herpes in patients with normal immune systems.

Valtrex is an antiviral. It works by stopping viral replication. However, Valtrex does not eliminate the virus, it is not a cure. When used as a suppressive therapy in patients with normal immune systems with genital herpes using safer sex practices, the risk of spreading the infections to others is reduced.

How should I take Valtrex?

Use Valtrex as directed by your doctor. Check the label on the medicine for exact dosing instructions.

• Take Valtrex by mouth with or without food. If stomach upset occurs, take with food to reduce stomach irritation.
• Drinking extra fluids while you are taking Valtrex is recommended. Check with your doctor for instructions.
• To treat cold sores, shingles, or genital herpes, start treatment as soon as possible after your symptoms start.
• If treating an acute outbreak, continue using Valtrex for the full course of treatment, even if you feel better in a few days.
• For suppressive therapy, Valtrex works best if it is taken at the same time each day.

What side effects may I notice from Valtrex?

Check with your doctor if any of these most common side effects persist or become bothersome:

• diarrhea; dizziness; headache; nausea; stomach pain; vomiting.

• severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); aggressive behavior; bloody or dark urine; confusion; fever; hallucinations; pale skin; pinpoint bruises; seizures; shaky movements; speech problems; unsteady movement; weakness; yellowing of the skin or eyes.

More Information Valtrex

If you have any questions about Valtrex, please talk with your doctor, pharmacist, or other health care provider.Valtrex is to be used only by the patient for whom it is prescribed. Do not share it with other people.