Oct 17, 2008
Hello! I recently had an occ. health exposure to a known HIV + pt. I was started on Truvada. My question is, how effective is this medication? I am doing very well with it and have not had any side effects(been on it about 2 weeks). Does it significantly decrease your chances? Thank you!
Response from Dr. Frascino
Truvada (tenofovir plus emtricitabine) is a recommended "basic" (two-drug) regimen for PEP (post-exposure prophylaxis). If the exposure posed a very significant risk for HIV transmission, an "expanded" regimen (three drugs) is often recommended. In theory, a combination of drugs that act at different stages of HIV's replication lifecycle might offer additional preventive effect. You can download a copy of the updated U.S. Public Health Service Guidelines for PEP at http://www.cdc.gov/mmwr/preview/mmwrhtml/rr5409a1.htm.
PEP does indeed significantly decrease the risk of HIV transmission.
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