Telmisartan and amlodipine is a prescription medication used to treat high blood pressure. It is a combination product that contains two medications: telmisartan, an ARB, and amlodipine, a dihydropyridine calcium channel blocker. This medication comes in tablet form and is taken once a day, with or without food. Common side effects include swelling, dizziness, and back pain. Do not drive or operate heavy machinery until you know how this medication affects you.