Direct vision internal urethrotomy (DVIU) is a surgery to repair a narrowed section of the urethra. This is referred to as a stricture. The urethra is the tube through which urine passes from the bladder to the outside of the body.
Azithromycin (Zithromax Â®) is a prescription antibiotic licensed to treat a number of infections in both children and adults. Some of these azithromycin uses include: 1  Treatment of bacterial infections. 2  Treatment of sexually transmitted diseases (STDs).
Zithromax may also used to treat a number of other, more uncommon bacterial infections. It is not effective against any infection caused by a virus, such as the flu, stomach flu, or common cold.eople who have been infected with an STD usually experience painful discharge and a number of various symptoms that accompany inflammation of the cervix or urethra. Zithromax is commonly used to treat STDs such as: 1  Gonorrhea. 2  Chlamydia. 3  Chancroid.