Gonorrhea is a sexually transmitted infection (STI) caused by the Neisseria gonorrhoeae bacterium. It is one of the most common STIs in the United States, causing 1.6 million new cases in 2018. With ...

Chlamydia symptoms typically depend on the parts of the body where the sexually transmitted infection (STI) occurs. You might experience anal or penile discharge if these organs are involved, or you ...