Infections may cause an abnormal genital discharge and burning with urination. However, many people with chlamydial infection have few or no symptoms of infection. Gonorrhea Gonorrhea causes a discharge from the vagina or penis and painful or difficult urination. Symptoms may include painful blisters or open sores in the genital area, which may be preceded by a tingling or burning sensation in the legs, buttocks, or genital region. The herpes sores usually disappear within a few weeks, but the virus remains in the body and the lesions may recur from time to time.
Many people have few or no symptoms of infection.
The initial symptom of syphilis is a painless open sore that usually appears on the penis or around or in the vagina. If untreated, syphilis may go on to more advanced stages, including a transient rash and, eventually, serious involvement of the heart and central nervous system. Usually, genital warts first appear as small, hard, painless bumps in the vaginal area, on the penis, or around the anus. STDs affect men and women of all backgrounds and economic levels. However, nearly two-thirds of all STDs occur in people younger than age 25.