I believe you are referring to gonorrhea. If so, here is the description:
Gonorrhea (also gonorrhoea) is a common Sexually_transmitted_infectioncaused by the bacterium Neisseria_gonorrhoeae(also called Gonococcus, which is often abbreviated as "GC" by clinicians). In the US, its incidence is secondAnswers.comonly to Chlamydia_infectionamong bacterial STDs.Answers.comIn both men and women if gonorrhea is left untreated, it may spread throughout the body, affecting joints and even heart valves.
Gonorrhea cannot be spread by sharing toilets and bathrooms.
For more information, visit
http://en.wikipedia.org/wiki/Gonorrhea