One in two young people will get a sexually transmitted disease (STD) by age 25—and most won’t know it. Get yourself tested.
Sexually transmitted diseases, or STDs, are also referred to as sexually transmitted infections, or STIs. The term “STD” or “STI” does not refer to any one disease, but includes more than 25 infectious organisms that are transmitted through sexual activity, as well as the many clinical syndromes (effects) that they cause.

Bacterial Vaginosis

Any woman can get BV.


Most people who have chlamydia don’t know it since the disease often has no symptoms.


Anyone who is sexually active can get gonorrhea.


Viral hepatitis is the leading cause of liver cancer and the most common reason for liver transplantation.


Genital herpes is a common STD, and most people with genital herpes infection do not know they have it.


Having an STD can make you more likely to get HIV.

Human Papillomavirus (HPV) Infection

Human papillomavirus (HPV) is the most common sexually transmitted virus in the United States.

Pelvic Inflammatory Disease (PID)

Pelvic Inflammatory Disease (PID) can lead to serious consequences including infertility.


The sexual behaviors that spread syphilis also spread other STDs, like HIV.


Trichomoniasis is a common sexually transmitted disease (STD) that is easy to cure.

Other STDs