Macrolide antibioticGeneric available
Azithromycin
Sold as Zithromax, Z-Pak
Azithromycin is a macrolide antibiotic, often dispensed as a 5-day Z-Pak for respiratory and skin infections.
Compare prices →~$9.00 / mo (generic, NADAC)
What it treats
Bronchitis, pneumonia, sinusitis, strep throat, some STIs.
Typical dosing
Z-Pak: 500 mg day 1, then 250 mg days 2–5.
Side effects
Diarrhea, nausea, abdominal pain. Rare: QT prolongation.
Interactions to know
Caution with other QT-prolonging drugs and certain anticoagulants.
Pregnancy & breastfeeding
Generally considered low-risk.
Educational only. Not medical advice. Always confirm with your prescriber or pharmacist.