Does Taking Acyclovir Prevent Transmission?

How much does acyclovir reduce risk of transmission?

Used effectively, condoms and medications such as valacyclovir, acyclovir and famciclovir can reduce the risk of female sexual partners developing herpes from an infected partner from 10% to 5% annually (men have a lower risk of contracting herpes from a female sexual partner)..

Does suppressive therapy reduce transmission?

Condoms are one of the best ways to reduce the risk of transmission. A study from 2016 followed over 900 couples for an average of 18 months. The findings showed that condoms reduced the transmission rate with each act of intercourse from men to women by 96% and from women to men by 65%.

How long after starting acyclovir are you contagious?

You can spread the virus even when you don’t have any symptoms of a cold sore, though you’re usually most contagious when you have them. However, this is much less likely than if contact occurred when a cold sore was present. Cold sores are contagious until they go away completely, which usually takes about two weeks.

How much does valtrex reduce risk of transmission?

The study showed that once-daily suppressive therapy with Valtrex 500 mg caplets reduced the risk of transmission of symptomatic genital herpes by 75 percent versus placebo (0.5 percent on Valtrex vs 2.2 percent on placebo).

Does acyclovir weaken immune system?

This medication may rarely cause a life-threatening disorder that affects the blood cells, kidneys, and other parts of the body. This disorder is more likely to occur if you have conditions related to a weakened immune system (such as HIV disease, bone marrow transplant, kidney transplant).

Does acyclovir speed up healing?

It can speed up healing of the sores and decrease symptoms (such as tingling, pain, burning, itching). Acyclovir belongs to a class of medications known as antivirals. It works by stopping the growth of the virus. This medication does not cure herpes, and it does not prevent passing the infection to someone else.