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Lexiscan

Generic Name: regadenoson (re ga DEN oh son)
Brand Names: Lexiscan
Lexiscan is used as a pharmacologic stress agent in radionuclide myocardial perfusion imaging. Learn about side effects, interactions and indications.
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Drug Information:
Lexiscan (regadenoson) is a stress agent that works by increasing blood flow in the arteries of the heart. Lexiscan is given in preparation for a radiologic (x-ray) examination of blood flow through the heart to test for coronary artery disease. Lexiscan may also be used for purposes not listed in this medication guide. You should not receive Lexiscan if you have a serious heart condition such as AV block or "sick sinus syndrome" (unless you have a pacemaker). Tell your caregivers if you have a serious side effect such as chest pain or heavy feeling, pain spreading to the jaw or shoulder, sweating, general ill feeling, wheezing or trouble breathing, slow heart rate, severe headache, seizure (convulsions), weak pulse, slow breathing, or fainting. Learn more

Lexiscan Side Effects

Lexiscan Side Effects

Note: This document contains side effect information about regadenoson. Some of the dosage forms listed on this page may not apply to the brand name Lexiscan.

For the Consumer

Applies to regadenoson: intravenous solution

Along with its needed effects, regadenoson (the active ingredient contained in Lexiscan) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur while taking regadenoson:

More common

  • Arm, back, or jaw pain
  • chest pain or discomfort
  • difficult or labored breathing
  • fast or irregular heartbeat
  • nausea
  • sweating
  • tightness in the chest

Incidence not known

  • Confusion
  • difficulty swallowing
  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  • fainting
  • irregular heartbeat recurrent
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • rash, hives, or itching skin
  • trembling or shaking of the hands or feet
  • unusual tiredness or weakness

Get emergency help immediately if any of the following symptoms of overdose occur while taking regadenoson:

Symptoms of overdose

  • Dizziness
  • feeling of warmth
  • increased heart rate
  • redness of the face, neck, arms, and occasionally, upper chest

Some side effects of regadenoson may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

  • Headache

Less common

  • Change in taste
  • loss of taste
  • stomach soreness or discomfort

Incidence not known

  • Diarrhea
  • difficulty with moving
  • joint pain
  • muscle aching or cramping

For Healthcare Professionals

Applies to regadenoson: intravenous solution

General

The most common adverse reactions were dyspnea, headache, rhythm or conduction abnormalities, flushing, and rhythm abnormalities.

Cardiovascular

Very common (10% or more): Rhythm or conduction abnormalities (26%), flushing (up to 23%), rhythm abnormalities (20%), ECG ST segment changes (18%), premature ventricular contractions (14%), angina pectoris or ST segment depression (12%)

Common (1% to 10%): Premature atrial contractions, first degree atrioventricular (AV) block (PR prolongation greater than 220 msec), ventricular conduction abnormalities, decreased systolic blood pressure (greater than 35 mmHg), decreased diastolic blood pressure (greater than 25 mmHg), angina pectoris, AV block, tachycardia, palpitations, other ECG abnormalities including QTc prolongation, hypotension, ST to T depression of 2 mm or more

Uncommon (0.1% to 1%): Second degree AV block, AV conduction abnormalities other than AV block, cardiac arrest, myocardial infarction, complete AV block, bradycardia, atrial flutter, atrial fibrillation (new-onset, worsening, or recurrent), hypertension, pallor, peripheral coldness, increased systolic blood pressure (50 mmHg or more), increased diastolic blood pressure (30 mmHg or more), ST to T elevation of 1 mm or more, acute coronary syndrome

Postmarketing reports: Ventricular arrhythmias, supraventricular tachyarrhythmias, asystole, marked hypertension, symptomatic hypotension

Respiratory

Pre-specified respiratory adverse reactions included dyspnea, wheezing, obstructive airway disorder, dyspnea exertional, and tachypnea.

Very common (10% or more): Dyspnea (up to 29%), pre-specified respiratory adverse reaction (up to 19%)

Common (1% to 10%): Wheezing, throat tightness, throat irritation, cough

Uncommon (0.1% to 1%): Tachypnea

Postmarketing reports: Respiratory arrest, respiratory distress, oxygen saturation decreased

Nervous system

Very common (10% or more): Headache (27%), dizziness (up to 11%)

Common (1% to 10%): Dysgeusia, paresthesia, hypoesthesia, severe headache

Uncommon (0.1% to 1%): Convulsions, syncope, transient ischemic attack, unresponsiveness to stimuli, depressed level of consciousness, tremor, somnolence, tinnitus

Rare (less than 0.1%): Cerebrovascular accident

Postmarketing reports: Intracranial hemorrhage

Other

Very common (10% or more): Chest pain (up to 19%), chest discomfort (13%)

Common (1% to 10%): Malaise, asthenia

Uncommon (0.1% to 1%): General body pain

Gastrointestinal

Very common (10% or more): Gastrointestinal discomfort (15%)

Common (1% to 10%): Nausea, abdominal discomfort, vomiting, oral discomfort

Uncommon (0.1% to 1%): Abdominal distention, diarrhea, fecal incontinence

Postmarketing reports: Abdominal pain

Musculoskeletal

Common (1% to 10%): Back or neck or jaw pain, pain in extremity, musculoskeletal discomfort

Uncommon (0.1% to 1%): Arthralgia

Dermatologic

Common (1% to 10%): Hyperhidrosis

Uncommon (0.1% to 1%): Angioedema, urticaria, rash, erythema

Ocular

Uncommon (0.1% to 1%): Vision blurred, eye pain

Psychiatric

Uncommon (0.1% to 1%): Anxiety, insomnia

Immunologic

Uncommon (0.1% to 1%): Anaphylaxis

Local

Uncommon (0.1% to 1%): Pain at injection site

Editorial References and Review

Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.

Source: Drugs.com Lexiscan