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Adenosine is a nucleoside, an antiarrhythmic primarily used for treating irregular heartbeats by slowing the heart's electrical conduction and slowing or normalizing heart rate.

How to Use Adenosine

Adenosine is typically administered as an injectable medication. Your physician or compounding pharmacist will consult with you on usage and dosage.

Potential Side Effects

Some side effects are more common, such as:

  • Indigestion
  • Loss of Appetite
  • Nausea or Vomiting
  • Excessive Gas
  • Feeling of Warmth
  • Diarrhea
  • Redness in the Face, Neck, or Arms
  • Fullness or Discomfort in the Stomach

Contact your physician right away if any of the following side effects occur:

  • Lightheadedness and/or Dizziness
  • Jaw Discomfort
  • Throat or Neck Discomfort
  • Chest Discomfort or Labored Breathing
  • Difficulty Breathing
  • Tightness in the Chest


Do not use adenosine if you have second degree, or third degree heart block and are not currently using a pacemaker. Do not use adenosine if you are allergic to any of the ingredients in the drug, or have breathing problems, asthma or other. Do not use adenosine if you have sinus node disease and are not currently using a pacemaker.

Consult with your physician before taking adenosine if you are pregnant or planning a pregnancy, have a history of seizures, suffer from breathing problems, food or medicine allergies, have blood vessel or heart problems, lung problems, or are taking dietary supplements.

As many pharmacy drugs can potentially interact negatively with other drugs it is extremely important to consult with your physician and inform them about every drug you are currently taking.

  • "It is rare to find health professionals who are so willing to educate the patient on what they need to know."

    Clair C. | West Hollywood, CA