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DynaCirc CR Oral

Generic Name: ISRADIPINE CONTROLLED-RELEASE TABLET - ORAL
Pronounced: (iss-RAD-eh-peen)

DynaCirc CR Oral Side Effects

Dizziness, nausea, headache, tiredness, flushing and constipation may occur as your body adjusts to the medication. Other side effects may include swelling of the ankles/feet. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position.

To prevent constipation, maintain a diet adequate in fiber, drink plenty of water, and exercise. If you become constipated while using this drug, consult your pharmacist for help in selecting a stool softener.

An empty tablet shell may appear in your stool. This is harmless since your body has already absorbed the medication.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur:

  • shortness of breath
  • persistent tiredness
  • fast/irregular/very slow heartbeat
  • fainting
  • mental/mood changes
  • decreased sexual ability/desire
  • joint pain
  • leg pain/cramps
  • tingling or numbness of legs/arms


Tell your doctor immediately if any of these rare but very serious side effects occur:

  • severe abdominal pain
  • dark urine
  • severe nausea/vomiting
  • severe constipation
  • yellowing of the eyes/skin
  • sudden dizziness/fainting


A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include:

  • rash
  • itching
  • swelling
  • severe dizziness
  • trouble breathing


This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

DynaCirc CR Oral Medical Alert

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA) or 1-800-668-1507 (Canada).

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