Azithromycin (Zithromax) is an inexpensive drug used to treat or prevent certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections. This drug is more popular than other comparable drugs. It is available in brand and generic versions. Azithromycin (Zithromax) is an inexpensive drug use to treat or prevent certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections. This drug is more popular than other comparable drugs. It is available in brand and generic versions. Zithromax is an antibiotic that fights bacteria. Zithromax is used to treat many different types of infections caused by bacteria, such as respiratory infections, skin infections, ear infections, and sexually transmitted diseases. Azithromycin (Brand names: Zithromax, AzaSite, Zmax) is a generic medication prescribed for the treatment of various types of bacterial infections, including pink eye (bacterial conjunctivitis). Find azithromycin 500mg products on Amazon. Browse trusted antibiotic options for bacterial infections. What it is: Azithromycin (Zithromax, Z-Pak)—macrolide antibiotic for community-acquired pneumonia, certain STIs, sinusitis, and some skin infections. Typical dose: Z-Pak: 500 mg on day 1, then 250 mg days 2–5. Single 1 g dose for chlamydia. Pediatric dosing is weight-based. No fluff, no fear-mongering — just clear, calm guidance on taking Zithromax. When it works fast, when to watch for side effects, why you shouldn’t skip the last pill, and what no one mentions about your gut afterward. Written plainly, by someone who’s been there. Overview: Azithromycin is an antibiotic that is used to treat certain bacterial infections. It works by stopping certain types of bacteria from making proteins they need to grow and multiply. Wondering when a generic version of Zithromax will be available? Get details on FDA approval status, generic manufacturers, and patent expirations. Get the best price on Zithromax at pharmacies near you with SingleCare. Save up to 80% with our Zithromax coupons - with or without insurance!.