What is Lexiscan?Lexiscan is a chemical stress agent used to test heart function in people unable to undergo an exercise stress test.
What is the most important information I should know about Lexiscan?Life-threatening heart rhythm problems and heart attacks may be induced by chemical stress agents such as Lexiscan.
The risk of very low blood pressure may be higher with certain heart conditions when you take Lexiscan. It may also increase blood pressure.
Lexiscan may cause constriction of the airways. It should be used with caution if you have asthma or COPD.
Who should not take Lexiscan?Do not use Lexiscan if you have certain heart conditions such as sinus node dysfunction or second- or third-degree AV block (conduction defects) unless you have an artificial pacemaker.
What should I tell my doctor before I take the first dose of Lexiscan?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 heart conditions, asthma, or other breathing problems. Also, tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding.
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.
Adults: The recommended dose is 5 milliliters (mL) given as an intravenous injection.
How should I take Lexiscan?Lexiscan will be injected by your healthcare provider into your vein.
What should I avoid while taking Lexiscan?Avoid consuming any products containing theophylline or methylxanthines, including caffeinated coffee, tea, or other caffeinated beverages, and caffeine-containing drug products for at least 12 hours before receiving Lexiscan.
Avoid using dipyridamole for at least 2 days before receiving Lexiscan.
What are possible food and drug interactions associated with Lexiscan?No specific drug interaction studies have been conducted with Lexiscan. However, let your doctor know if you are taking other medication before receiving Lexiscan, especially theophylline, methylxanthines, products containing caffeine, dipyridamole.
What are the possible side effects of Lexiscan?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 this drug.
Side effects may include: shortness of breath, headache, flushing, chest discomfort, dizziness, chest pain, nausea, abdominal discomfort, abnormal taste, feeling hot
Serious side effects requiring immediate emergency treatment may include: heart attack, abnormal heart rhythm, breathing difficulties
Can I receive Lexiscan if I am pregnant or breastfeeding?The effects of Lexiscan during pregnancy and breastfeeding are unknown. Lexiscan should be used only if the potential benefit outweighs the risk. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.
What should I do if I miss a dose of Lexiscan?This medication is given as a single dose before a chemical stress test.
How should I store Lexiscan?The doctor will store this medication at room temperature.
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