Infections sexuellement transmises. Actualités cliniques et thérapeutiques

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A recent increase of syphilis and gonorrhea has been observed in France. More recently, the resurgence of very infrequent STDs, such as lymphogranuloma venerum, has been noticed in Western Europe. This data illustrates the emergence of high-risk behavior and the relative failure of prevention for sexually transmitted infection and HIV infection, especially in homosexual men. Since the onset of the AIDS epidemic, oral sex has been increasingly used both by heterosexual and homosexual partners. Even if the risk of HIV transmission with oral sex is very low, oral sex is a major mode of transmission for syphilis, gonorrhea, and genital herpes. Condoms are seldom used for oral sex. The transmission of STI by oral sex is less documented in heterosexual than in homosexual patients. The level of knowledge does not seem to reduce risky behavior in the most concerned population. An infection not normally considered as sexually transmitted (i.e. hepatitis C) may be transmitted by high risk sexual behavior increasing the risk of blood-blood contact, as recently reported among HIV-infected homosexual men. The emergence of high-risk sexual practices (traumatic practices, fisting) in a specific population required focused prevention measures to avoid blood-transmitted infections. The increased risk of HIV transmission by ST co-infection (syphilis, genital herpes, gonorrhea) and the potential morbidity of STI in HIV infected patients should also be emphasized.