Can Valtrex (valacyclovir) trigger a false positive herpes test?

Herpes simplex. Depends upon the test to which you are referring. Valtrex (valacyclovir) may diminish the presence of virus in the skin or mucous membranes lesions and lessen the chances of a viral culture being positive, but will not in any way alter the antibody test on a blood specimen.

Related Questions

Should I ask for Valtrex (valacyclovir) before a blood test comes back for herpes?

Maybe. Herpes is usually diagnosed and treated based on the appearance of the lesion. The blood test doesn't tell you whether a lesion is due to herpes. It only tells you whether you have herpes in your body. If you wait for the result to come back, it will be too late to benefit from treatment for that episode. Read more...

The blood and urine tests confirmed that I don't have herpes but I still have a lesion on my vulva. The doc prescribed valtrex (valacyclovir). Y?

Mind reader. Unfortunately, I can't tell you what your doctor is thinking. It is possible if you have a new onset herpes infection that the blood tests will not come back positive yet. Also tests are not perfect and can miss things, so maybe your doctor is treating just in case. However, there are other conditions that can cause lesions on your vulva. If it does not go away see a gyn or dermatologist. Read more...