Isoptin

 
What is Isoptin and why is it prescribed?
Isoptin is taken for angina, as well as irregular heartbeat and high blood pressure. Isoptin SR, is typically used only for high blood pressure. Isoptin 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. If you have high blood pressure, you must take Isoptin regularly for it to be effective. Isoptin does not cure high blood pressure but it keeps it under control.

How should you take Isoptin?
Follow your doctors directions for taking Isoptin. Isoptin can be taken with or without food. Isoptin SR should be taken with food. Isoptin SR must be swallowed whole and should not be crushed, broken, or chewed. Take Isoptin exactly as prescribed, even if you are feeling well. Try not to miss any doses. If Isoptin is not taken regularly, your condition can get worse. Check with your doctor before you stop taking this drug since a slow reduction in the dose may be required. If you miss a dose take it as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule. Never take two doses at the same time. Store Isoptin at room temperature away from heat, light, and moisture.

Are there any Isoptin side effects?
Isoptin side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. More common Isoptin side effects may include congestive heart failure, constipation, dizziness, fatigue, fluid retention, headache, low blood pressure, nausea, rash, shortness of breath, slow heartbeat, and upper respiratory infection. Less common or rare Isoptin side effects may include angina, blurred vision, breast development in males, bruising, chest pain, confusion, diarrhea, difficulty sleeping, drowsiness, dry mouth, excessive milk secretion, fainting, fatigue, fever and rash, flushing, hair loss, heart attack, hives, impotence, increased urination, indigestion, intestinal blockage, joint pain, light-headedness upon standing up, limping, loss of balance, muscle cramps, pounding heartbeat, rash, ringing in the ears, shakiness, skin peeling, sleepiness, spotty menstruation, sweating, tingling or pins and needles, and upset stomach.

What are the possible food and drug interactions when taking Isoptin?
If Isoptin is taken with certain other drugs, the effects of either could be increased, decreased, or altered. Be sure to inform your doctor of all the prescription and over the counter medications you are taking. It is especially important to check with your doctor before combining Isoptin with 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), Erythromycin (E.E.S., Ery-Tab, PCE), Flecainide (Tambocor), Glipizide (Glucotrol), Grapefruit juice, Imipramine (Tofranil), Lithium (Lithonate), Nitrates (such as Transderm Nitro and Isordil), Phenobarbital, Phenytoin (Dilantin), Quinidine (Quinidex), Rifampin (Rifadin), Ritonavir (Kaletra, Norvir), or Theophylline (Theo-Dur).

Are there any special warnings about Isoptin?
Isoptin can reduce or eliminate angina pain caused by exertion or exercise. Be sure to discuss with your doctor how much exertion is safe for you. Isoptin may cause your blood pressure to become too low. If you experience dizziness or light-headedness, notify your doctor. Congestive heart failure and fluid in the lungs have occurred in people taking Isoptin together with other heart drugs known as beta blockers. If you have a heart condition, liver disease, kidney disease, myasthenia gravis, or Duchenne's dystrophy, make certain your doctor knows about it. Isoptin should be used with caution.
 

Information on this website is provided for educational purposes and should not replace discussions with your doctor.

 

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