Z-Pak - An Overview

    A Z-Pak, also spelled Z-Pack, is a 5-day course of azithromycin, a macrolide antibiotic used to treat a variety of infections. People who might need a Z-Pak prescription can use Push Health to connect with a medical provider online who can prescribe Z-Pak medication when appropriate to do so.

    What Is A Z-Pak Used For?

    A Z-Pak contains azithromycin - a macrolide antibiotic like clarithromycin (Biaxin) - and is prescribed for bacterial infections susceptible to azithromycin. The Z-Pak format originated as a branded Pfizer blister pack that made it easy to track doses across a 5-day course. Today, most pharmacies dispense generic Z-Pak prescription packages that are clinically identical to the original branded product. Common conditions for which a Z-Pak may be prescribed include bronchitis, community-acquired pneumonia, ear infections, sinus infections, and certain skin infections. The Z-Pak covers both typical and atypical respiratory bacteria which makes it particularly useful for respiratory infections where atypical organisms may be involved.

    A Z-Pak does not treat viral infections. The common cold, COVID-19, influenza, and most cases of cough and sore throat are caused by viruses and this medication will have no effect on them. A licensed provider will only prescribe a Z-Pak when a bacterial infection is suspected or confirmed. For full clinical information on azithromycin - including dosing schedules, mechanism of action, drug interactions, and detailed FAQ - see the azithromycin page.

    Z-Pak - Dosage and Cost

    The standard Z-Pak contains six azithromycin tablets. Two 250 mg tablets are taken on day 1 (equaling a 500 mg loading dose) and one 250 mg tablet is taken once daily on days 2 through 5. Z-Pak prescription medication is moderately affordable at most pharmacies, typically costing under $20 for a standard 5-day course. A Z-Pak prescription is not available OTC (over the counter) and requires a prescription from a licensed medical provider.

    Can I Buy A Z-Pak Online?

    Because the Z-Pak blister pack requires a prescription, one cannot simply buy a Z-Pack online. Instead, it is necessary to get a Z-Pak prescription from a doctor or other licensed medical provider so that the Z-Pak can be dispensed by a qualified pharmacy. Push Health can connect people who might need a Z-Pack medication with a medical provider who can prescribe Z-Pak medication when appropriate to do so.

    Z-Pak - Side Effects

    Side effects of a Z-Pak (azithromycin) prescription medication include nausea, diarrhea, abdominal pain, vomiting, and dizziness. In general, most patients tolerate the medication well. More serious side effects that can occur from Z-Pak use include cardiac arrhythmias - specifically QTc interval prolongation which can increase the risk of heart rhythm abnormalities in patients with a pre-existing condition. Allergic reactions, including rash and hypersensitivity, can also occur. People with a known allergy to azithromycin or other macrolide antibiotics should not take Z-Pak medication. The Z-Pak is not recommended for people with a history of certain types of liver disease. Questions regarding the side effects of taking a Z-Pak prescription medication should be discussed with one's pharmacist and medical provider.

    How to Get a Z-Pak Prescription with Push Health

    Getting evaluated to get a Z-Pak prescription through Push Health is a straightforward process:

    • Complete a brief health intake. Answer a few questions about your symptoms and medical history.
    • Connect with a licensed medical provider. A provider will review your information and evaluate whether a Z-Pak prescription is appropriate. Same-day consultations are available.
    • Receive your prescription electronically. When appropriate, your provider will send a Z-Pak prescription to the pharmacy of your choice. No office visit required.
    • Get your medication. Pick it up at a retail pharmacy or have it delivered. A Z-Pak is available at most pharmacies and typically costs under $20.

    No health insurance or subscription is required. Medical providers are available now.

    More Z-Pak Information

    Last updated July 21, 2026. Given the evolving nature of medicine and science, this information might not be accurate and should not be construed as medical advice or diagnosis / treatment recommendations. Please consult a licensed medical provider if you have additional questions. Please call 911 immediately or go to the nearest emergency room if you believe you are experiencing a medical emergency.