Blood Pressure Home > Important Information for Isradipine

Effects of Isradipine

In clinical studies, isradipine was shown to decrease blood pressure within two to three hours of the first dose. The effects of a single dose lasted about 12 hours. These studies also showed that the medicine slightly increased the heart rate (by about three to five beats per minute).

When and How to Take It

General considerations for those taking isradipine include the following:
  • The medication comes in capsule form. It is taken by mouth, usually twice a day.
  • You can take it with or without food.
  • The medication should be taken at the same times each day to maintain an even level in your blood.
  • For isradipine to work properly, it must be taken as prescribed. The medication will not work if you stop taking it.

Dosage Information for Isradipine

The dosage that your healthcare provider recommends will vary, depending on a number of factors, including:
  • Other medical conditions you may have
  • Other medications you may be currently taking.
As is always the case, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
(Click Isradipine Dosing for more information.)

Drug Interactions

Isradipine can potentially interact with a number of medicines (see Drug Interactions With Isradipine).

What If I Take an Overdose of Isradipine?

People who take too much isradipine may have overdose symptoms that could include:
  • Lethargy
  • Fast heart rate (tachycardia)
  • Low blood pressure (hypotension).
If you happen to overdose on this product, seek immediate medical attention.
(Click Dynacirc Overdose for more information.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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