
Comprehensive sex education may also be useful. Safe sex practices, such as use of condoms, having a smaller number of sexual partners, and being in a relationship in which each person only has sex with the other also decreases the risk of STIs. Some vaccinations may also decrease the risk of certain infections including hepatitis B and some types of HPV. STI diagnostic tests are usually easily available in the developed world, but they are often unavailable in the developing world. Viral STIs include genital herpes, HIV/AIDS, and genital warts. īacterial STIs include chlamydia, gonorrhea, and syphilis.

Symptoms and signs of STIs may include vaginal discharge, penile discharge, ulcers on or around the genitals, and pelvic pain.

STIs often do not initially cause symptoms, which results in a risk of passing the infection on to others. Sexually transmitted infections ( STIs), also referred to as sexually transmitted diseases ( STDs) and the older term venereal diseases, are infections that are spread by sexual activity, especially vaginal intercourse, anal sex, and oral sex. Not having sex, vaccinations, condoms ġ.1 billion (STIs other than HIV/AIDS, 2015) ġ08,000 (STIs other than HIV/AIDS, 2015) None, vaginal discharge, penile discharge, ulcers on or around the genitals, pelvic pain

Medical condition Sexually transmitted infection
