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Use of lubricants with anal sex could increase risk of HIV
Date:5/25/2010

omen. Participants in the study were tested for gonorrhea and Chlamydia and asked about their sexual and hygiene practices in private computer-based interviews. Of the 879 participants, 421 reported having receptive anal intercourse in the past month (229 men) or in the past year (192 women) and of these 421, 302 provided the researchers with additional information about their use of lubricants. About half, or 147 (52.7 percent) said they used a lubricant when they last engaged in anal sex.

Of the 302 included in the analysis, 25 (8.3 percent) tested positive for a bacterial rectal STI (5.6 percent of women and 10.2 percent of men). But among those who said they recently used a lubricant, the number of STIs was higher. With STI test results available for 145 of the 147 recent users, the researchers found that 17 (11.7 percent) tested positive for a rectal STI compared to just seven (5.1 percent) of the 156 who said they did not use a lubricant. A higher percentage of African Americans (61.percent) reported using lubricants than did Hispanics (40.4 percent) and whites (23.2 percent). A higher percentage of HIV-positive participants (56 percent) were more likely to report using lubricants than were HIV-negative participants (43.7 percent). Most of the participants who reported using lubricants said they used a water-based lubricant (76 percent); 28 percent used silicon-based products, 17 percent oil-based lubricants and 6 percent said they had used numbing lubricants. More research will be needed to understand exactly how lubricants facilitate transmission of STIs, including HIV, the researchers say.

Study is first to evaluate safety of lubricants used in anal sex

A laboratory study that compared over-the-counter and mail-order lubricants commonly used with receptive anal intercourse found many of the products contain higher amounts of dissolved salts and sugars compared to what's normally found in a cell. As a result, the products h
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Contact: Lisa Rossi
rossil@upmc.edu
412-916-3315
Microbicides 2010 (International Conference on Microbicides)
Source:Eurekalert

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