Z-pak

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English[edit]

Etymology[edit]

Initial of Zithromax (Pfizer's proprietary name for azithromycin) and pack.

Noun[edit]

Z-pak (plural Z-paks)

  1. A package of six pills, each one containing 250 mg of the antibacterial azithromycin.
    The pills in a Z-pak are to be taken as follows: []