Sexually transmitted diseases (STDs) are infections spread from person to person during sex (vaginal, oral, or anal) or close intimate contact. STDs also called sexually transmitted infections, or STIs. It's important to learn about STDs so you can protect yourself.
Most STDs can be prevented by using a condom the right way, every time someone has sex.
Read more about the signs and symptoms of the most common STDs, how they spread, and how they're diagnosed and treated:
- Chlamydia
- Genital Herpes
- Genital Warts
- Gonorrhea
- Hepatitis B (HBV)
- HIV and AIDS
- Pelvic Inflammatory Disease (PID)
- Pubic Lice (Crabs)
- Syphilis
- Trichomoniasis
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Read MoreChlamydia
Chlamydia is an STD that often has no symptoms, so lots of people can have it and not know it. Read this article to learn how to protect yourself.
Read MoreGenital Warts (HPV)
Genital warts usually are caused by the human papillomavirus (HPV), which also can lead to cervical cancer and other types of cancer. The HPV vaccine can prevent HPV infection.
Read MoreGonorrhea
The STD gonorrhea can be very dangerous if it's not treated, even in someone who has mild or no symptoms. For information about how to protect yourself, read this article.
Read MorePelvic Inflammatory Disease (PID)
Pelvic inflammatory disease, sometimes called PID, is an infection of the fallopian tubes, uterus, cervix, or ovaries. Learn how to protect yourself.
Read MorePubic Lice (Crabs)
Pubic lice, or "crabs," are tiny insects that usually spread through sex.
Read MoreSyphilis
Syphilis is a sexually transmitted disease (STD). Early treatment can cure it and prevent long-term problems.
Read MoreTrichomoniasis
Trichomoniasis is a curable disease that can be passed from one person to another during sex. The good news is that it can be prevented. Read about how to protect yourself.
Read More
