Chlamydia is an infection caused by the bacteria Chlamydia trachomatis. The unfortunate thing about this sexually transmitted diseases is that, most people who become infected with chlamydia do not experience any symptoms.
However, some men do experience symptoms and the signs of chlamydia can be quite alarming. According to STDCheck.com, the major symptoms of chlamydia in men are itching and burning around the opening of the penis, some testicular pain and swelling, and a sore throat.
Some men can also experience abnormal penile discharge which can appear as thick, yellow-white, milky or watery, however, this is less common. Also, there may be pain while urinating. In other cases, if the infection is the rectum, rectal bleeding and pain can be experienced.