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calcium-channel blocker
(redirected from calcium blocker)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.03 sec.
calcium-channel blocker, any of a class of drugs used in treating hypertension hypertension or high blood pressure, elevated blood pressure resulting from an increase in the amount of blood pumped by the heart or from increased resistance to the flow of blood through the small arterial blood vessels (arterioles).
..... Click the link for more information. , angina pectoris angina pectoris (ănjī`nə pĕk`tərĭs)
..... Click the link for more information. , and certain arrhythmias arrhythmia (ārĭth`mēə), disturbance in the rate or rhythm of the heartbeat.
..... Click the link for more information. . They prevent the calcium ions needed for muscle contraction from entering the cells of smooth and cardiac muscle. This causes blood vessel walls to relax and blood to flow more freely to the heart, lowering blood pressure and relieving anginal pain. Some calcium-channel blockers, such as Procardia (nifedipine), slow the electrical impulses that run through heart muscle, thus regulating arrhythmias. Cardizem (diltiazem) is a common calcium-channel blocker.
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These include the anti-epileptic drugs topiramate (Topamax) and sodium valproate (Depakote), tricyclic antidepressants such as amitriptyline (Elavil) and nortriptyline (Pamelor), beta blockers such as propranolol (Inderal), calcium blockers such as verapamil, and the antihistamine cyproheptadine (Periactin) in children.
Migraines & women by National Women's Health Report
2% ---------------------------------------------------------------------- Calcium Blockers 31300 4.
Verispan's Vector One(R): Payer Reveals Top 10 Drug Classes Impacted ... by Business Wire
Among Caraco's 14 generic products, are Nifedipine, a calcium blocker for the cardiovascular market, SureLac(TM), a lactase enzyme tablet which permits enjoyment of dairy products without discomfort, and additional products used for pain relief, sleeplessness, and coughs and colds.
Caraco announces reduction of its Board of Directors by Business Wire
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