Herpes Home > Treatment Guidelines for Valtrex and Side Effects

When and How to Take It

Some general considerations for when and how to take this medication include the following:
  • The drug comes in caplet form. Depending on the type of infection, it is usually taken one, two, or three times a day.
  • It works best if started at the very first signs of an outbreak. It may not work if taken too late.
  • Valtrex can be taken with or without food.
  • It should be taken at the same time each day to maintain an even level of the medication in your blood.
  • For Valtrex to work properly, it must be taken as prescribed. It will not work if you stop taking it.

Dosing Information

The dose your healthcare provider recommends will vary, depending on a number of factors, including:
  • Your age
  • Your weight (for children) 
  • The medical condition you are being treated for
  • Other medical conditions you may have
  • Other medications you may currently be taking.
As with any medication, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
(Click Valtrex Dosage for more information.)

Side Effects of Valtrex

As with any medicine, there are possible side effects. However, not everyone who takes the drug will experience side effects. In fact, most people tolerate the drug quite well. If side effects do occur, they are often minor and either require no treatment or can easily be treated by you or your healthcare provider. Serious side effects are less common.
The most common side effects include:
(Click Valtrex Side Effects to learn about the specific side effects of Valtrex, including serious side effects to look out for.)
You can also read about other possible side effects by clicking:
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
List of references (click here):
Other Articles in This eMedTV Presentation

Topics & Medications


Related Channels

eMedTV Links
Copyright © 2006-2020 Clinaero, Inc.

eMedTV serves only as an informational resource. This site does not dispense medical advice or advice of any kind. Site users seeking medical advice about their specific situation should consult with their own physician. Click Terms of Use for more information.

This site complies with the HONcode standard for trustworthy health information:
verify here.