What STD causes pus-like discharge in men?

The STD that causes pus-like discharge in men is gonorrhea. Gonorrhea is a sexually transmitted infection caused by the bacterium Neisseria gonorrhoeae. It primarily affects the mucous membranes of the urethra in males and can cause symptoms such as a burning sensation during urination, increased frequency of urination, and a pus-like discharge from the penis. In some cases, gonorrhea can also affect other parts of the body, including the rectum, throat, and eyes.