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Generic Name: Adenosine [a-DEN-oh-seen]
Names of Brands: Adenocard, Adenoscan
Classes of Drugs: Cardiac stress agents, Group V antiarrhythmics

What is Adenoscan?

Adenoscan is a naturally occurring chemical that dilates and relaxes blood vessels. It also alters the electrical activity of the heart.Adenoscan helps restore normal heartbeats to those suffering from certain heart rhythm problems.Adenoscan is also employed in an exercise test on the heart.Adenoscan can also be employed for other purposes that are not covered in this medication guideline.

Side Effects Of Adenoscan

See a doctor immediately. If you are experiencing symptoms that indicate an allergic reaction, such as symptoms of hives, difficulty breathing, and swelling of your lips, face, and tongue,

Inform your caregivers immediately in the event that you are suffering from:

  • Extreme breathlessness;

  • Tension in your chest and pain that is spreading into your shoulder or jaw;

  • Your chest is fluttering.

  • A feeling of lightheadedness, as if you've passed out;

  • A seizure;

  • Extreme headache severe headache, blurred vision, or an intense ache in your neck or ear severe headache, blurred vision, or pounding in your neck or ears

  • Suddenly numbness or weakness, visual problems, or speech.

Common adverse reactions to Adenoscan can include:

  • Flushing (sudden warmth, redness, or a tingly sensation);

  • Chest tension, breath shortness;

  • Nausea;

  • Headache, dizziness,

  • Tension in your jaw or neck.

This is not a comprehensive list of possible side effects, and other side effects could occur.

Seek advice from your doctor for medical advice regarding adverse reactions. If you have any concerns, report the reaction to the FDA by calling 1-800-FDA-1088.


Before you receive Adenoscan, consult your physician to determine whether you suffer from asthma or any other breathing issues or have previously had seizures.

Before You Take This Drug

It is not recommended to be treated by Adenoscan in the event of an extremely serious heart problem like "sick sinus syndrome" or "AV block" (unless you have a pacemaker) or if you have slow heartbeats that have caused you to faint.Your doctor will run tests to confirm that there are no issues that could make it impossible for you to receive an endoscopy.

Speak to your doctor if you are ever diagnosed with:

  • Asthma asthma, COPD, bronchitis, emphysema or any other breathing issues;

  • Seizures;

  • Angina (chest pain)

It isn't known if this medicine can cause harm to a baby who is not yet born. Inform your doctor if you are expecting.Inform your doctor if you are nursing. It may be necessary to stop breastfeeding for a short period of time after receiving adenoscan.

How to Take Adenoscan?

For your stress test for your heart Do not drink tea, coffee, cola, chocolate energy drinks, or any other source that contains caffeinated beverages. They may interfere with the outcome of your heart stress test.Adenoscan can be given as an injection into a vein. The healthcare professional will give the injection.

You can only receive one dosage of this drug. It is possible to receive a second dose in order to help restore normal heartbeats.Your blood pressure, breathing, oxygen levels, and other vital indicators are closely monitored.

Your heart rate is constantly recorded using an electrocardiograph, or ECG (sometimes known as the EKG). This will allow your doctor to decide how long they will treat you by using an adenoscan.

What Happens If I Miss a Dose?

Adenoscan is typically administered in a single dose in a medical setting. It doesn't have an individualized daily dose schedule.

What Happens If I Overdose?

Because Adenoscan is prescribed by a medical expert in a medical environment, it is highly unlikely for an overdose to occur.

What Should Be Avoided?

Follow the instructions of your physician regarding any restrictions on your food, drink, or activities.

Interaction With Other Drugs

Inform your doctor about any other medications you take, particularly:

  • Aminophylline;

  • Digoxin;

  • Dipyridamole;

  • Theophylline 

  • Verapamil.

This list isn't complete. Other medications may interact with Adenoscan, including medications that are prescribed and available over the counter, vitamins, and herbal products. There are many possible interactions between drugs, which are included here.