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 Medical Uses. Zithromax is a broad-spectrum macrolide antibiotic used for the treatment of the following infections: 1  Acute otitis media (ear infection). 2  Pharyngitis and Tonsillitis (strep throat). 3  Sinusitis. 4  Community-acquired pneumonia. 5  Acute bacterial exacerbations of chronic obstructive pulmonary disease (COPD).zithromycin (Zithromax Z-pak) allows convenient once-daily dosing and a short treatment regimen. Children over 2 years of age: 12 mg/kg (up to 500 mg) once daily for 5 days. Adults: 500 mg as a single dose on day 1, followed by 250 mg once daily on days 2-5.