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Adenosine

INFORMATION

Uses

Adenosine is used in the treatment of arrhythmias (abnormal heart beat).

How it works

Adenosine treats irregular heart beat by blocking abnormal electrical signals in the heart.

Common side effects

Nausea, Numbness of extremity, Application site burning, Bronchospasm, Chest pain, Shortness of breath, Altered heart rate, Hypersensitivity reaction, Decreased blood pressure, Increased blood pressure, Lightheadedness

AVAILABLE MEDICINE

Expert advice

  • Inform your doctor if you have any of the following heart problems: heart attack/ failure, or heart transplant within the last year; unusual heart rhythm (atrial fibrillation or flutter), low blood volume/ narrowing of heart valves.
  • Consult your doctor if you have narrowing of the main arteries in your neck (carotid arteries).
  • Take precautions while taking adenosine if you have recurrent fits.
  • Caution must be exercised if you have had recurrent fits or experienced difficulty in breathing and problems associated with blood pressure, urination, defecation, etc.
  • You may need to monitor your condition (ECG and blood pressure) while taking adenosine.
  • Avoid food or drinks that have caffeine before taking this drug. 
  • Tell your doctor if you are or planning to become pregnant or are breastfeeding.

Frequently asked questions

Adenosine

Q.Is adenosine a hormone/an amino acid/nucleotides/beta blocker/calcium channel blocker?
Adenosine belongs to class of drugs called nucleosides. It acts by restoring the heart rhythm. It also relaxes blood vessels supplying the heart and increases blood flow, thereby relieving abnormal electrical activity due to compromised blood flow to heart

Q.Is adenosine a vasopressor/does adenosine cause vasodilation/ vasoconstriction/ bronchoconstriction?
Adenosine causes vasodilatation which may result in headache, dizziness, lightheadedness, tachycardia and flushing. It also causes bronchoconstriction resulting in breathlessness and chest discomfort

Q.Does adenosine makes you sleepy?
No. Adenosine has no effect on sleep

Q.Does adenosine cause atrial fibrillation?
Yes, adenosine can cause various types of disturbances in heart rhythm; atrial fibrillation is one of them.


Content on this page was last updated on 23 November, 2016, by Dr. Varun Gupta (MD Pharmacology)