Condoms are physical barriers that can reduce the risk of a sexual exposure to HIV because they are made of materials that do not allow HIV to pass through them. This makes condoms a highly effective strategy to reduce the risk of HIV transmission when used consistently and correctly. Condoms also provide protection from other sexually transmitted infections STIs. The external condom , also known as the male condom, is a sheath made from polyurethane, latex or polyisoprene, which covers the penis during sexual intercourse. There are many types and brands of external condoms available.
Human immunodeficiency virus HIV attacks and weakens the immune system, making an individual more vulnerable to serious illness. Untreated HIV can lead to AIDS, which occurs when the immune system is so weak it becomes susceptible to serious infections and some cancers. An estimated 39, people in the country were diagnosed with HIV in alone. HIV transmission occurs in many different ways, including through condomless sex and by sharing needles. Risk of transmission varies depending on several factors including:. HIV can be transmitted through semen, vaginal secretions, blood, and anal secretions.
It's important to use condoms to help reduce the spread of STI sexually transmitted infections. These infections include HIV Human Immunodeficiency Virus , chlamydia, genital herpes, genital warts, gonorrhea, hepatitis B, and syphilis. You can get an STI through having sex -- vaginal, anal, or oral.
Studies show that if used correctly, condoms offer strong protection against HIV, as well as having the added benefit of reducing the risk of other STIs. To best protect against HIV they can be used in combination with other prevention methods such as pre-exposure prophylaxis PrEP or an undetectable viral load. You can read an overview of condoms here. Laboratory studies and product testing have shown that reputable condoms tested in the laboratory are completely impermeable to micro-organisms as small as viruses. However, this is based on condoms being used as recommended.