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:
