According to the document, gonorrhea is a common sexually transmitted infection caused by the bacterium Neisseria gonorrhoeae. It affects 200 million people per year globally. Gonorrhea has developed resistance to antibiotics and often causes complications when left untreated such as pelvic inflammatory disease and infertility. The document discusses the classification, symptoms, transmission, diagnosis and treatment of gonorrhea. It provides detailed information on the various forms and complications of gonorrhea in both men and women.