Spermicides containing nonoxynol-9 do not protect against HIV infection and may even increase the risk of HIV infection in women using these products frequently, according to a WHO report released today. The report also advises women at high risk of HIV infection against using nonoxynol-9 spermicides for contraception. The experts also concluded that spermicides containing nonoxynol-9 do not protect against two other common sexually transmitted infections — cervical gonorrhoea and chlamydia. Nonoxynol-9 is present in most spermicides on the market today. It has been used over the past half-century in a wide range of spermicidal products—vaginal gels, creams, foams, suppositories, sponges, and films, used alone or with other contraceptive devices, such the diaphragm.
U.S. Food and Drug Administration
Condoms and Sexually Transmitted Diseases | FDA
The male condom, sometimes called a rubber, is a thin, disposable covering that fits snugly over an erect penis. Male condoms are available in a wide variety of styles, colors, and textures. They may be made of latex, polyurethane a type of plastic , or animal skin. Some condoms are lubricated. Only latex and polyurethane condoms protect against infection.
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Safest condoms and methods of use
Back to Your contraception guide. Condoms are the only type of contraception that can both prevent pregnancy and protect against sexually transmitted infections STIs. There are two types of condoms: male condoms, worn on the penis; and female condoms, worn inside the vagina. Male condoms are made from very thin latex rubber , polyisoprene or polyurethane and are designed to stop a man's semen from coming into contact with his sexual partner. Condoms are a "barrier" method of contraception.
Drug information provided by: IBM Micromedex. Make sure you carefully read and follow the directions that come with each spermicide product. Each product may have different directions for using the product. The directions tell you how much to use, how long you must wait before having intercourse, and how long you must leave it in the vagina after intercourse.