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What happens if I miss a dose (Dynacirc, Dynacirc CR)?

Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose (Dynacirc, Dynacirc CR)?

Seek emergency medical attention if you think you have used too much of this medicine.

Overdose symptoms may include fast heart rate, sluggish feeling, or feeling like you might pass out.

What should I avoid while taking isradipine (Dynacirc, Dynacirc CR)?

Isradipine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and 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.

What other drugs will affect isradipine (Dynacirc, Dynacirc CR)?

Before taking isradipine, tell your doctor if you are using any of the following drugs:

• cimetidine (Tagamet, Tagamet HB);
• fentanyl (Duragesic, Ionsys, Actiq); or
• rifampin (Rifadin, Rimactane, Rifater).

This list is not complete and there may be other drugs that can interact with isradipine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about isradipine.

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.

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