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 Uses. The prescription antibiotic Zithromax is used to treat a number of common bacterial infections in children and adults. A few of these infections include sinus, throat, ear, and skin infections. Zithromax is also prescribed to treat sexually transmitted diseases such as gonorrhea and chancroid.