Gonorrhea is a sexually transmitted disease (STD), caused by bacteria known as Neisseria gonorrhoeae (gonococci). It is a very common STD in the United States, along with genital herpes. Gonorrhea is often seen as a disease that causes recurrent urinary tract infections (UTI) and genital discharge, and while these are the common clinical features, other signs, symptoms and complications of gonorrhea infection may develop over time.
Syphilis is a sexually transmitted disease (STD) which, if untreated, can develop into a chronic condition. It is caused by a microorganism (bacteria) called Treponema pallidum. The widespread availability and use of antibiotics these days has made syphilis less of a concern as it was prior to the discovery of antibiotics.