Approved for Long-term maintenance treatment of airflow obstruction in patients with COPD. Tiotropium is a long-acting muscarinic antagonist (LAMA) that blocks M3 receptors in bronchial smooth muscle, preventing acetylcholine-induced bronchoconstriction. It has a slow dissociation from… Side effects, costs, interactions, manufacturer, and generic alternatives sourced from FDA labels, openFDA…
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