regadenoson

Brand names: Lexiscan

What is regadenoson?

Lexiscan is an injectable drug used to induce stress for heart imaging in patients unable to undergo an exercise stress test.

What is the most important information I should know about regadenoson?

Lexiscan may cause fatal cardiac arrest, life-threatening arrhythmias (irregular heartbeat), myocardial infarction (heart muscle obstruction), and first-, second-, or third-degree AV block or sinus bradycardia, and hypotension. Also, talk to your doctor if you have COPD, asthma, or other respiratory conditions.

Who should not take regadenoson?

Lexiscan should not be used in patients with sinus node dysfunction or second- or third-degree AV block (conduction defects) unless they have a pacemaker.

What should I tell my doctor before I take the first dose of regadenoson?

Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with Lexiscan. Also, talk to your doctor about your complete medical history, especially if you have any history of asthma and other respiratory complaints.

What is the 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. Do not change the dosage or stop taking your medication without your doctor's approval.

The recommended dosage is 5 mL administered intravenously.

How should I take regadenoson?

Your doctor or another clinician will inject Lexiscan into your vein.

What should I avoid while taking regadenoson?

Avoid using dipyridamole for at least 2 days before using Lexiscan. Avoid coffee, tea, or other caffeinated products for at least 12 hours before your scheduled cardiac imaging appointment.

What are possible food and drug interactions associated with regadenoson?

No specific drug interactions are known.

What are the possible side effects of regadenoson?

Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking regadenoson.

• Side effects may include:heart attack, arrythmias (abnormal heart rhythm), hypotension (low blood pressure), breathing difficulties

Can I receive regadenoson if I am pregnant or breastfeeding?

Lexiscan is to be avoided during pregnancy and while nursing.

What should I do if I miss a dose of regadenoson?

Lexiscan is administered by your doctor.