Medically reviewed by Kate Colby, MPH A sexually transmitted infection (STI) is passed from one person to another through sexual contact. An STI can have a viral cause, like human papillomavirus (HPV) ...

An STI is considered an STD when it causes symptoms. Usually ... syphilis, herpes type 1 and 2, HIV 1 (Ab and Ag), and HIV 2 (Ab). same-day appointments available more than 4,000 testing centers ...

One of the most common symptoms of STDs is an unusual discharge from the penis, vagina, or anus. The color, consistency, and ...

Causes of Sexually transmitted diseases (STDs) are bacteria, parasites and viruses. It affects both men and women. There are more than 20 types of STDs including chlamydia, herpes, Gonorrhea, HIV ...

See what herpes, genital warts, the clap, chlamydia, scabies, HIV/AIDS, and other STDs look like. WebMD explains their symptoms and what you can do.

The internet hoax claimed the fake STI turns the labia blue and causes symptoms of real STIs like chlamydia, gonorrhea, and trichomoniasis. Some have claimed this fake STI could only affect ...