What is Zithromax?

By: Ani Barsamian, JD

Zithromax, also known as azithromycin, is an antibiotic pill manufactured by Pfizer Pharmaceuticals. This broad-spectrum antibiotic is also marketed as a "Z-Pak."  Zithromax is commonly prescribed to treat bacterial infections in children and adults and is often preferred by patients due to its short 5-day course.