STDs and STIs are a big issue especially for people who do not take protection seriously. Many people think that using ...

Chlamydia is a bacterial STI that passes from person to person through anal, oral, or vaginal sex without a condom or other barrier method. In a male, chlamydia can develop in the urethra ...

Over 800 million people have genital herpes — and in many cases the virus can flare up over a person's lifetime, causing painful symptoms. So... Genital herpes infections are very common.

Medically reviewed by Soma Mandal, MD Both herpes simplex viruses (HSV) can cause internal and external symptoms, like sores.