Source: Herpes; Public Domain: http://en.wikipedia.org/wiki/File:Herpes%28PHIL_1573_lores%29.jpg HPV; Creative Commons: http://findmeacure.com/2011/05/29/human-papilloma-virus-hpv/
The most common STD in humans, Chlamydia is caused by a bacterium that infects the reproductive and urinary tracts. If left untreated it can cause pelvic inflammatory disease.
A viral infection that can cause sores to develop on the mouth or reproductive organs, genital herpes is an incurable disease.
Caused by the human papilloma virus (HPV), genital warts appear on reproductive organs and the anus and can increase the chance of developing certain cancers.
Commonly referred to as the clap, gonorrhea is a bacterial infection that can cause painful urination and penile discharge in males and vaginal discharge in females.
A retroviral infection of the liver that is spread through sexual contact and is very curable in adults.
Inflammation of the uterus, fallopian tubes/oviducts and/or ovaries that can lead to scarring and damage.
Caused by bacteria, syphilis initially presents as a rash or skin lesions and if left untreated can cause cardiovascular damage and insanity.
A protozoan parasite that commonly causes vaginitis in females.