Chlamydia infections usually cause abnormal discharge from the genitals and burning while urinating , but in some cases, no symptoms may be present. Trichomoniasis is a parasitic infection of the genitals that can produce a foul-smelling vaginal discharge and genital pain in women. Up to 5 million cases are reported yearly in the United States. Syphilis is an infection that can spread from the genitals throughout the body. This is often followed by fever , a sore throat, headaches , or joint pain.
Pubic lice is an infestation of small parasites that causes redness and itching around the genitals.
Gonorrhea is a bacterial infection that can produce a greenish or yellowish discharge from the genitals, a burning sensation when urinating, fever, and abnormal vaginal bleeding and pelvic pain in women. In the United States, gonorrhea is most common among girls ages 15 to 19. There are actually two types of herpes. In HSV-1, the sores usually start on the mouth but can spread to the genitals. HSV-2 is usually the cause of genital infections.