Mechanism of Action Almarl Tab, Arotinolol is a beta-blocker and alpha-blocker used primarily to treat hypertension (high blood pressure) and certain types of arrhythmias. It works by blocking beta-adrenergic receptors and alpha-adrenergic receptors in the heart and blood vessels. This dual action reduces heart rate and dilates blood vessels, which lowers blood pressure and improves blood flow. ..
