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Y55 — Agents primarily acting on smooth and skeletal muscles and the respiratory system

    Descendants
    Code Description
    Y550 Oxytocic drugs
    Y551 Skeletal muscle relaxants [neuromuscular blocking agents]
    Y552 Other and unspecified agents primarily acting on muscles
    Y553 Antitussives
    Y554 Expectorants
    Y555 Anti-common-cold drugs
    Y556 Antiasthmatics, not elsewhere classified
    Y557 Other and unspecified agents primarily acting on the respiratory system

    Heading of aggregated item CIM-10 (en) to which it belongs

    Y40-Y59 Drugs, medicaments and biological substances causing adverse effects in therapeutic use