Gonorrhea By Sheldon R Morris, MD, MPH, University of California San Diego Reviewed / Revised Jan 2023 View Patient Education Symptoms and Signs Diagnosis Screening Treatment Key Points More Information Topic Resources Gonorrhea (Urethritis) Gonorrhea (Vaginitis) Disseminated Gonococcal Infection... Gonorrhea is caused by the bacterium Neisseria gonorrhoeae.