Category of DrugAntiarrhythmic Drugs
Mechanism of Action 
IndicationsAdenosine is used as
1. Coronary vasodilator
2. paroxysmal supraventricular
3. cardiac imaging for
coronary artery disease
4. angina pectoris
Well Known
Pharmaceutical Brands
Available dosage forms1. TABLETS
DoseAdenosine is taken orally; 40 to 80 mg, 3 to 4 times daily. The Maximum daily dose is 480 mg/
ContraindicationsSecond- or third-degree AV block and sick
sinus syndrome (unless pacemaker fitted),
acute myocardial infarction, cardiovascular
shock; asthma
Precautions 1. Atrial fibrillation or flutter
2. heart transplant;
3. pregnancy
Adverse Effects 1. chest pain
2. Transient facial flush
3. bronchospasm
4. dyspnoea
5. nausea
6. severe bradycardia
Pregnancy Category C

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