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In this Article

• What is regadenoson (Lexiscan)?
• What are the possible side effects of regadenoson (Lexiscan)?
• What is the most important information I should know about regadenoson (Lexiscan)?
• What should I discuss with my health care provider before receiving regadenoson (Lexiscan)?
• How is regadenoson given (Lexiscan)?
• What happens if I miss a dose (Lexiscan)?
• What happens if I overdose (Lexiscan)?
• What should I avoid while receiving regadenoson (Lexiscan)?
• What other drugs will affect regadenoson (Lexiscan)?
• Where can I get more information?

What should I discuss with my health care provider before receiving regadenoson (Lexiscan)?

You should not use this medication if you are allergic to regadenoson, or if you have a serious heart condition such as AV block or "sick sinus syndrome" (unless you have a pacemaker).

If you have certain conditions, you may need a dose adjustment or special tests to safely receive this medication. Before you receive regadenoson, tell your doctor if you have:

• asthma or COPD (chronic obstructive pulmonary disease);
• a history of heart disease; or
• if you have had a prolonged illness that caused vomiting or diarrhea;

FDA pregnancy category C. It is not known whether regadenoson is harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether regadenoson passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How is regadenoson given (Lexiscan)?

Regadenoson is given as an injection through a needle placed into a vein. You will receive this injection in a clinic or hospital setting.

After regadenoson is injected, you will be given other intravenous (IV) medications that allow blood vessels to be seen more clearly on the radiologic examination.

Your breathing, blood pressure, oxygen levels, and other vital signs will be watched closely during your stress test.