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The pill imprinted “ZFLEX”

A pill printed with ZFLEX is Zflex 500 mg / 55 mg (acetaminophen and phenyltoloxamine citrate), a red, rectangle tablet.

By the pharmaranks editorial teamReviewed against the U.S. FDA / DailyMed (Structured Product Labeling) sourcesHow we research
  • ZFLEX500 mg / 55 mg
    Imprint ZFLEX · Red · Rectangle · 19 mm · Tablet
    Generic: Acetaminophen and Phenyltoloxamine Citrate
    NDC 35501-023
    Exact imprint
    Not in our rated catalog yetDailyMed label ↗

    • Before you rely on this

    A pill’s appearance varies between manufacturers and generic versions, imprints wear off, and two different drugs can share an imprint. Everything here is transcribed straight from the FDA’s DailyMed labels — we do not alter or infer it — but treat any identification as a starting point and confirm with a licensed pharmacist before taking or discarding a medication.

    Wrong pill? Search by imprint, colour and shape in the full pill identifier.

    Source: the U.S. National Library of Medicine’s DailyMed Structured Product Labeling — the FDA-required drug labels. Imprint, colour, shape, size and score are transcribed, not inferred. This is reference information, not medical advice.