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This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they exist. The article ends with the authors' clinical recommendations.
A 24-year-old man presents to an outpatient clinic, reporting that 36 hours previously he had receptive anal intercourse without the use of a condom with an anonymous male partner who was known to have had sex with other men. The patient is known to the clinical practice and has had several negative tests for human immunodeficiency virus (HIV) infection, most recently 6
The Clinical Problem
Strategies and Evidence
Assessing the Need for Postexposure Prophylaxis
Type of Exposure
Occupational Exposure
Nonoccupational Exposure
Characteristics of the Source Patient
Timing and Duration of Treatment
Regimens for Postexposure Prophylaxis
Baseline and Follow-up Assessments
Testing of the Source Patient
Baseline Testing of the Exposed Patient
Risks Associated with Postexposure Prophylaxis
Areas of Uncertainty
Guidelines
Conclusions and Recommendations
Source Information
From the University of California at Los Angeles (UCLA) Center for Clinical AIDS Research and Education and the David Geffen School of Medicine at UCLA, Los Angeles.
Address reprint requests to Dr. Landovitz at the UCLA Center for Clinical AIDS Research and Education, David Geffen School of Medicine, 9911 W. Pico Blvd., Suite 980, Los Angeles, CA 90035, or at rlandovitz@mednet.ucla.edu.
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