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    Guaifenesin Limited data
    Limited data
    Sparse data. Doses and effects may be unreliable or untested.
    • 2 corroborating sources
    • no dose data
    • PubChem toxicity data

    Summary DrugBank

    Guaifenesin possesses a storied history, having been originally formally approved by the US FDA in 1952 and continues to be one of very few - if not perhaps the only drug that is readily available and used as an expectorant . Since that time the agent has been a combination component of various prescription and non-prescription over-the-counter cough and cold products and is currently a widely available over-the-counter generic medication .

    Effects

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