Z-Pack antibiotics are a five-day course of azithromycin that were prescribed very frequently. Why did they fall out of favor with doctors? Skip to main content. Open Navigation Menu ...

Z-Pack is a form of Zithromax, a brand-name version of the antibiotic azithromycin. Learn about Z-pack for strep throat here. Find out whether it’s a good choice to treat the condition. Also ...

Z-pack is a prescription medication that typically requires a daily, single dose. The dosage for strep throat in adults is 500 milligrams (mg) on the first day and 250 mg daily for the following 4 ...