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The pill imprinted “S406”

A pill printed with S406 is POTASSIUM CITRATE 5 meq, a yellow, round tablet.

By the pharmaranks editorial teamReviewed against the U.S. FDA / DailyMed (Structured Product Labeling) sourcesHow we research
  • POTASSIUM CITRATE5 meq
    Imprint S;406 · Yellow · Round · 10 mm · Tablet
    NDC 42543-406
    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.