Valtrex

Valtrex is used to treat conditions related to the herpes virus, including shingles, cold sores, and genital herpes. It helps the body fight the infection by preventing the virus from multiplying. It also can help the outbreak to heal quicker. Potential side effects of Valtrex include a headache, nausea, and depression. It is important to take the medication as prescribed in order for it to work properly.

 

What Is Valtrex?

Valtrex® (valacyclovir hydrochloride) is a prescription medication licensed to treat several conditions related to infections with the herpes virus, including:
 
 

Who Makes Valtrex?

Valtrex is manufactured by GlaxoSmithKline.
 

What Is Valtrex Used For?

Uses of Valtrex include:
 
  • Treating shingles
  • Treating cold sores
  • Treating genital herpes
  • Preventing recurrent genital herpes outbreaks
  • Decreasing the spread of herpes to sexual partners.
     
Valtrex is not a cure for shingles, genital herpes, or cold sores, nor has the drug been approved for use in children.
 
(Click Valtrex Uses for more information on what Valtrex is used for, including possible off-label uses.)
 

How Does Valtrex Work?

Shingles, cold sores, and genital herpes are caused by viruses. Once a person has been infected with these viruses, the virus never goes away. It remains inactive in certain nerve cells of the body, waiting to become active again. Valtrex helps the body fight the infection by preventing the virus from multiplying. When used to treat genital herpes, Valtrex can help prevent outbreaks from recurring and can help prevent the spread of the virus to other people.
 
(Valtrex Continued: Page 2)
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;