Sexually transmitted infection

View Sexually Transmitted Diseases (STDs) Slideshow Pictures

Medical Definition of Sexually transmitted infection

Sexually transmitted infection: An infection that can be transferred from one person to another through sexual contact. In this context, sexual contact is more than just sexual intercourse (vaginal and anal) and also includes kissing, and the use of sexual "toys," such as vibrators.

Examples of some of the sexually transmitted infections (STIs) are:

The term "sexually transmitted infection (STI)" corresponds to and is meant to replace the older term "sexually transmitted disease (STD).

See also: Sexually Transmitted Infections (STIs) in Women; Sexually Transmitted Infections (STIs) in Men.


Quick GuideSTD Diagnosis, Images, Symptoms, Treatment

STD Diagnosis, Images, Symptoms, Treatment

Subscribe to MedicineNet's General Health Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.

Reviewed on 1/25/2017

Health Solutions From Our Sponsors