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Important Information on Isoptin SR

Drug Interactions

Isoptin SR can potentially interact with a number of medicines (see Isoptin SR Drug Interactions).
 

What If I Take an Overdose of Isoptin SR?

People who take too much Isoptin SR may have overdose symptoms that could include:
 
  • Low blood pressure (hypotension)
  • A slow heart rate (bradycardia)
  • An irregular heart rhythm (arrhythmia)
  • High blood sugar (hyperglycemia)
  • Decreased mental function
  • Fluid in the lungs.
     
If you happen to overdose on this medication, seek immediate medical attention.
 
(Click Verapamil Overdose for more information.)
 

How Should It Be Stored?

Isoptin SR should be stored at room temperature, away from moisture and heat. The tablets should be stored in an airtight container.
 
Keep this and all other medications out of the reach of children.
 

What Should I Do If I Miss a Dose?

If you do not take your Isoptin SR as scheduled, take your missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose.
 

How Does Isoptin SR Work?

Isoptin SR is part of a class of drugs called calcium channel blockers. It helps to slow down the rate at which calcium moves into your heart and blood vessel walls. This, in turn, helps to relax the blood vessels, which improves blood flow and makes it easier for the heart to pump blood.
 
There are two basic types of calcium channel blockers: dihydropyridine and non-dihydropyridine. The most important difference between the two types is that non-dihydropyridine calcium channel blockers can slow down the heart rate, while dihydropyridine calcium channel blockers do not. Isoptin SR is a non-dihydropyridine calcium channel blocker, which means that it can decrease the heart rate. As a result, the medication is useful for treating certain types of irregular heart rhythms (arrhythmias).
 
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Isoptin SR Information

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