DynaCirc

DynaCirc

Properties

This medicine contains isradipine as active ingredient. It is a so-called calcium channel blocker, working by blocking the passage of calcium into heart and smooth muscle. Since calcium is an essential factor in muscle contraction, any medicine that affects calcium in this way will interfere with the contraction of these muscles. The medicine has no effect on calcium in the blood. The medicine works  by:

•   reducing the work that the heart must perform

•   reducing the normal arterial blood pressure

•   increasing oxygen to the heart muscle.

Prescribed for

The medicine is prescribed for:

•   Treatment of attacks of angina

•   Treatment of irregular heartbeat

•   Treatment of high blood pressure.

In many cases the medication can be used for the treatment and prevention of migraine.

Cautions and Warnings

The drug may cause unwanted low blood pressure in some people who take it for reasons other than hypertension.

Patient taking a beta-blocker who begin taking this medication may develop an increase in episodes of angina.

This medicine may interfere with one of the mechanisms by which blood clots form, especially if you are also taking aspirin. Call your doctor if you develop unusual bruises, bleeding, or black-and-blue marks.

People with kidney disease or severe liver disease may require dosage adjustments.

Before using this medicine

Before you use this medicine check with your doctor, or  pharmacist:

•    if you ever had any unusual or allergic reaction to this medicine or any calcium channel blocker

•    if you are pregnant or intend to become pregnant while using this medicine

•   if you have low blood pressure

•   if you have kidney or liver disease

•   if you are breast-feeding an infant

•    if you easily get a rash or intensity sunburn in areas exposed to sun or ultraviolet light.

Treatment

This medication is used for treatment of heart conditions (for instance, angina pectoris) and high blood pressure.

Usual dosage

The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may  prescribe a different regimen.

Adult: 5 mg once a day. Doses may be increased by 5 mg at 2-4 week intervals to a maximum daily dose of 20  mg.

Do not change the dosage or stop taking your medication without your doctor’s approval. Tablets, capsules or extended-release tablets should be taken with liquid.

Side effects

Along with the needed effects, a medicine may cause some unwanted effects. Possible side effects include:

•   Tiredness

•   Changes in heartbeat

•   Wheezing

•   Cough

•   Shortness of breath

•   Dizziness

•   Fainting

•   Numbness in hands and feet

•   Tingling in hands and feet

•   Difficult urination

•   Constipation

Overdose

The following symptoms may be a sign of overdose:

•   Unusually fast heartbeat

•   Unusually slow heartbeat

•   Loss of consciousness

•   Cardiac arrest

Call a doctor or hospital emergency room for instructions. If necessary start first aid immediately.

Interactions

The effect of this medicine may cause a blood pressure drop if taken together with antihypertensives. Cimetidine may increase the effect of the calcium blocker. The simultaneous use of diuretics and calcium channel blockers may cause dangerous blood pressure  drop.

Be sure to tell your doctor about any medications you are currently  taking.

Storage

Capsules, tablets, etc. should be stored at room temperature; store away from heat and direct light. Keep out of reach of children, since this medicine may be dangerous in  children.

KNOWLEDGE BASE
About Genomic Medicine UK

Genomic Medicine UK is the home of comprehensive genomic testing in London. Our consultant medical doctors work tirelessly to provide the highest standards of medical laboratory testing for personalised medical treatments, genomic risk assessments for common diseases and genomic risk assessment for cancers at an affordable cost for everybody. We use state-of-the-art modern technologies of next-generation sequencing and DNA chip microarray to provide all of our patients and partner doctors with a reliable, evidence-based, thorough and valuable medical service.

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