First-generation antihistamine with anticholinergic, antiserotonergic, and local anesthetic properties. Patented in 1959, entered medical use in 1961. 293rd most commonly prescribed medication in US (400,000+ prescriptions in 2022)
Treats symptoms of cerebral and peripheral circulation disorders. Protects against vascular headaches like migraine. Normalizes cerebral circulation time and improves irrigation. Increases blood flow in affected limbs of intermittent claudication