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Calan |
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- Description - |
Verapamil-based medications can be prescribed for several heart and blood pressure problems. The fast-acting brands (Calan and Isoptin) are taken for angina (chest pain due to clogged cardiac arteries), as well as irregular heartbeat and high blood pressure. The longer-acting brands (Calan SR, Isoptin SR, Verelan, and Verelan PM) are typically used only for high blood pressure. Covera-HS is prescribed for both high blood pressure and angina.
Verapamil is a type of medication called a calcium channel blocker. It eases the heart's workload by slowing down the passage of nerve impulses through it, and hence the contractions of the heart muscle. This improves blood flow through the heart and throughout the body, reduces blood pressure, corrects irregular heartbeat, and helps prevent angina pain.
Some doctors also prescribe verapamil to prevent migraine headache and asthma and to treat manic depression and panic attacks. |
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- Common Side Effects - |
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Congestive heart failure,constipation,dizziness,fatigue,fluid retention,headache,low blood pressure,nausea,rash,shortness of breath,slow heartbeat,upper respiratory infection |
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- Possible Interactions - |
ACE inhibitor-type blood pressure drugs such as Capoten and Vasotec
Beta-blocker-type blood pressure drugs such as Lopressor, Tenormin, and Inderal
Vasodilator-type blood pressure drugs such as Loniten
Other high blood pressure drugs such as Minipress
Alcohol
Aspirin
Amiodarone (Cordarone)
Carbamazepine (Tegretol)
Chloroquine (Aralen)
Cimetidine (Tagamet)
Cyclosporine (Sandimmune, Neoral)
Dantrolene (Dantrium)
Digitalis (Lanoxin)
Disopyramide (Norpace)
Diuretics such as Lasix and HydroDIURIL
Flecainide (Tambocor)
Glipizide (Glucotrol)
Imipramine (Tofranil)
Lithium (Lithonate)
Nitrates such as Transderm Nitro and Isordil
Phenobarbital
Phenytoin (Dilantin)
Quinidine (Quinidex)
Rifampin (Rifadin)
Theophylline (Theo-Dur)
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- Manufacturer - |
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Pfizer U.S. Pharmaceuticals Group |
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235 East 42nd Street |
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New York, NY 10017-5755 |
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USA |
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