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Valtrex
Valtrex is used for patients who have shingles (herpes zoster) or genital herpes.
General Information
This database does not contain every known side effect, adverse effect, or drug interaction. If you have questions about your medicines, talk to your health care provider. This information is for educational purposes only.
How Drug Works
Valtrex prevents growth of the virus in your system. Valtrex is converted to acyclovir and works by blocking the replication of the viral DNA.
How Taken
You should start to take Valtrex as soon as symptoms appear, and you will probably take it for at least seven days or as directed by your physician.
Possible Side Effects
Valtrex is generally well-tolerated and side effects are usually mild. Side effects include:
- headache
- abdominal discomfort
- nausea
Warnings/Precautions
If you have:
- kidney disease
- are immunocompromized
- are over the age of 65
talk to your doctor before taking Valtrex.
Overdose
For emergencies, seek medical attention immediately. For non emergencies, contact your local or regional poison control center.
Drug Interactions
Talk to your pharmacist if you are taking cimetidine or probenecid because they may temporarily increase the concentration of Valtrex.
Missed Dose
Take your next dose as soon as you remember. If it is time for your next dose, skip the missed dose and go back to your regular schedule. Do not double doses.
Storage
Store it at room temperature and away from excess heat and moisture (not in the bathroom). Keep this medication in the container it came in, tightly closed, and out of reach of children. Throw away any medication that is outdated or no longer needed.
Pregnancy/Nursing
Talk to you doctor. For nursing mothers, this medication is generally considered incompatible with breast-feeding. If you suspect that you may be pregnant, it will be important to weight the risks and benefits of taking Valtrex.
More Information
For more information, talk to your doctor, pharmacist or health care provider.
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