Valtrex is an antiviral drug. It slows the growth and spread of the herpes virus so that the body can fight off the infection. Valtrex lessens the symptoms of these infections and shortens the length of time you are sick.
Valtrex is used in the treatment and suppression of genital herpes, shingles, and cold sores. Valacyclovir is not a cure for herpes virus infections.
How to use this product
Take valtrex exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.
Treatment with Valtrex should be started as soon as possible after the first appearance of symptoms (e.g. for cold sores-tingling, burning, blisters).
Take each dose with a full glass of water.
Valtrex can be taken with or without food. Taking valtrex with food may decrease stomach upset.
Take all of the valtrex that has been prescribed for you even if you begin to feel better. Your symptoms may start to improve before the infection is completely treated.
It is important to take valtrex regularly to get the most benefit.
Lesions caused by herpes viruses should be kept as clean and dry as possible. Wearing loose clothing may help to prevent irritation of the lesions.
Store Valtrex at room temperature away from moisture and heat.
Side effects
Stop taking Valtrex and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives).
Other, less serious side effects may be more likely to occur. Continue to take valacyclovir and talk to your doctor if you experience
. nausea, vomiting, diarrhea, constipation, or abdominal pain;
. headache;
. dizziness; or
. tremors.
. Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
Precautions
Herpes infections are contagious and you can infect other people, even during treatment. Avoid letting infected areas come into contact with other people. Wash your hands frequently to prevent transmission.
Valtrex will not prevent the spread of genital herpes. Avoidance of sexual intercourse and use of latex condoms may prevent spreading the virus to others.
Drug Interactions
Probenecid and cimetidine may increase the effects of valtrex and possibly lead to dangerous side effects. You may need a dosage adjustment or special monitoring during treatment if you are taking probenecid or cimetidine.
Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines, including vitamins, minerals, and herbal products.
