What it means
A calcium channel blockerKAL-see-um CHAN-ul BLOK-erA drug that slows the movement of calcium into heart and blood vessel muscle cells, relaxing the vessels.Full entry that relaxes the walls of the arteries, lowering blood pressure and easing the heart's work. It is one of the most prescribed blood pressure drugs. The most common side effect is swelling of the ankles and feet; headache, flushing and dizziness also occur.
For the nurse
Check blood pressure before giving it, and teach the client to rise slowly, report swollen ankles, and keep taking it even when they feel well.
At a glance
| Drug class | calcium channel blocker (dihydropyridine) |
|---|---|
| Brand names | Norvasc, Katerzia, Norliqva |
| Spanish | amlodipino |
| Also written | Norvasc, Katerzia, Norliqva |
Related terms
edema
Swelling caused by extra fluid trapped in the body's tissues.
hypertension
Blood pressure that stays higher than normal, at or above 130/80 mm Hg by current US guidelines.
angina
Chest pain or pressure that happens when the heart muscle does not get enough blood and oxygen.
calcium channel blocker
A drug that slows the movement of calcium into heart and blood vessel muscle cells, relaxing the vessels.