Telmisartan is an angiotensin II receptor blocker. Amlodipine, meanwhile, is a dihydropyridine calcium channel blocker. However, both work by restricting the narrowing of blood vessels in the body and relaxing them.
While these drugs have similar uses, their dosages and side effects vary. Doctors prescribe amlodipine at 2.5–10 mg daily, and telmisartan at 20–80 mg daily. A combination of amlodipine and telmisartan may be prescribed if they cannot effectively control hypertension separately.