AUTHOR

World Health Organization

Intermittent or Event-Driven Truvada for HIV Prevention

Hi Dr. Olson,

I’ve been on Truvada for about three years. Occasionally, I stop taking it when I’m not sexually active. I’ve stopped for as long as three months and then started back up again. My doctor says this is fine but I’ve heard from sex partners this approach lowers the efficacy. Your thoughts?

First, I must tell you I am not an expert in the prescribing of Truvada, so I consulted with some doctors who are.

Intermittent use of Truvada is called event-driven pre-exposure prophylaxis (ED-PrEP), and it has proven highly effective in reducing HIV men who have sex with men (MSM) who engage in anal intercourse (receptive or insertive sex). It is an alternative to daily PrEP dosing for some men. At this time, the data are only available for Truvada; data are not yet in for Descovy. But you need to know more.

Continue reading

Sign up for Dr. Olson’s Ask the Doc Posts and Newsletter