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    Theophylline 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

    A methylxanthine derivative from tea with diuretic, smooth muscle relaxant, bronchial dilation, cardiac and central nervous system stimulant activities. Mechanistically, theophylline acts as a phosphodiesterase inhibitor, adenosine receptor blocker, and histone deacetylase activator.

    Effects

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