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Cardene SR

Generic Name: nicardipine (nye KAR di peen)
Brand Name: Cardene SR

Medically reviewed on June 18, 2018

What is Cardene SR?

Cardene SR is a calcium channel blocker. This medicine relaxes (widens) your blood vessels, which makes it easier for the heart to pump and reduces its workload.

Cardene SR is used to treat hypertension (high blood pressure) and angina (chest pain).

Cardene SR may also be used for purposes not listed in this medication guide.

Important Information

You should not take Cardene SR if you have severe narrowing of the aortic valve in your heart (aortic stenosis).

Before taking this medicine

You should not use Cardene SR if you are allergic to it, or if you have:

  • severe narrowing of the aortic valve in your heart (aortic stenosis).

To make sure Cardene SR is safe for you, tell your doctor if you have:

Older adults may be more sensitive to the effects of this medicine.

It is not known whether Cardene SR will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medicine.

Nicardipine can pass into breast milk and may harm a nursing baby. Tell your doctor if you are breast-feeding a baby.

How should I take Cardene SR?

Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take Cardene SR in larger or smaller amounts or for longer than recommended.

Do not crush, chew, break, or open an extended-release capsule. Swallow it whole.

You may have more severe or more frequent episodes of angina when you first start taking Cardene SR, or whenever your doses are changed.

Your blood pressure will need to be checked often.

You may be given other heart or blood pressure medications during treatment with Cardene SR.

Do not stop using any of your medications suddenly. Stopping suddenly may make your condition worse.

Store Cardene SR at room temperature away from moisture, heat, and light. Keep the bottle tightly closed when not in use.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include severe dizziness, confusion, and slurred speech.

What should I avoid while taking Cardene SR?

Cardene SR may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.

Drinking alcohol can increase certain side effects of nicardipine.

Cardene SR side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • a light-headed feeling, like you might pass out;

  • pounding heartbeats or fluttering in your chest; or

  • severe or ongoing chest pain.

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

What other drugs will affect Cardene SR?

Other drugs may interact with nicardipine, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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