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Methacholine: Chemical Structure, Mechanism of Action, Uses, Side Effects

Chemical Structure:

  • C8H18NO2Cl

Chemical Structure
Chemical Structure

Mechanism of Action:

  • Methacholine is a cholinomimetic drug that acts on muscarinic receptors.

Uses:

  • Methacholine is used for the diagnosis of bronchial hyperreactivity in methacholine challenge tests.

Side Effects:

  • The main risk is bronchoconstriction, which can cause difficulty breathing, chest tightness, wheezing, or coughing.

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