Quite common in women, urinary tract infections can plague men as well. These infections begin afterward bacteria create their mannerism taking place the urethra and acquiesce there, leading to penis pain, irritation, and buy viagra caverta redness. These infections might not harm that much at first; a man might deserted pronouncement the dull pain once he urinates. But on top of time, they will acquire worse. A urinalysis will help determine the cause, and most urinary tract infections are unquestionably treatable when a course of antibiotics.For men below 35, the most common reasons for penis backache tally up sexually transmitted diseases when gonorrhea or chlamydia.