Dynacirc CR (Isradipine ER)

What is Dynacirc CR?

Dynacirc belongs to a family of drugs known as calcium channel blockers.

What is Dynacirc CR used for?

Dynacirc is used to treat high blood pressure or hypertension. Dynacirc may also be given in combination with other medicines used for the treatment of high blood pressure. Lowered blood pressure, in turn, helps prevent strokes, heart attacks, and kidney problems.

How does Dynacirc CR work?

Dynacirc works by relaxing blood vessels and heart muscles.

How to use Dynacirc CR

Take Dynacirc as per the instruction of your doctor and also follow the directions given on the label of the medicine. Your doctor may recommend you to change the dose occasionally to make sure that the medicine is giving best results.

Do not crush, break or chew the tablet. Swallow the whole tablet at once. Do not stop using Dynacirc even if you start feeling well.

Dynacirc CR warnings and precautions

Do not take Dynacirc if you are allergic to any of its ingredients.

Before starting the course of treatment with Dynacirc, you must discuss with your doctor if you have liver or kidney disease, a narrowing or blockage in your digestive tract, or congestive heart failure.

Check your blood pressure on a regular basis, as it will make sure that Dynacirc is helping in improving your condition.

The medicine can make you feel dizzy, so avoid getting up too fast after lying or sitting position in order to prevent a fall. Also, be cautious when you drive or do anything that requires alertness, after taking this medicine.

Some tablets of Dynacirc are made by using shell, which does not easily get melted or absorbed by the body, so you may see some part of the tablet in your stool, which is quite normal.

Pregnant and lactating women are advised not to use this medicine as it can be harmful for the baby. If you are planning to become pregnant, inform your doctor, in advance.

What do I do if I have missed a Dynacirc CR dose?

If you have missed your Dynacirc dose, you should take it right away. If it’s almost time to take the next dose, wait until then to take the medicine. Do not take two doses simultaneously.

What do I do if I have taken a Dynacirc CR overdose?

If you have taken a Dynacirc overdose, you should seek help of your local medical emergency room.

Dynacirc CR interactions

Tell your doctor before taking drugs like Tagamet, Tagamet HB, Ionsys, Actiq, Duragesic, Rifater, Rifadin or Rimactane, as these medicines are expected to interact with this medication.

Tell your doctor about all the prescribed, non-prescribed medicines or herbal products you use, before taking this medicine.

Other medicines that may interact with Dynacirc are macrolide, antibiotics such as erythromycin, azole; antifungals like itraconazole; cimetidine, rifamycins, St.  John’s wort or drugs used to treat seizures such as phenytoin, carbamazepine.

Dynacirc CR side effects

Dynacirc side effects include allergic reactions, including hives, difficulty in breathing, swelling on your face, lips, throat or tongue.

Call your doctor right away if you experience serious side effects of Dynacirc such as feeling short of breath, fast or pounding heartbeats, swelling in your hands and feet, chest pain, or feeling like you might pass out.

Some less serious side effects from Dynacirc are dizziness, headache, nausea, vomiting, diarrhea, upset stomach, weakness, feeling of being tired, warmth, redness, tingly feeling under the skin, skin rash and itching.