Monograph Details

Cardiovascular System > CHF and arrhythmias
INDERAL
Manufacturer
Akrimax Pharmaceuticals
Legal Classification
Rx
Pharmacological Class
β-blocker.
Generic Name
Propranolol HCl 10mg, 20mg, 40mg, 60mg, 80mg; scored tabs.
Also
INDERAL LA
Indications
Atrial and ventricular arrhythmias (see literature). Tachyarrhythmia due to digitalis intoxication. In stabilized patients after MI, to reduce mortality and risk of reinfarction.
Children
Not recommended.
Adults
Arrhythmias: 10–30mg 3–4 times a day before meals and at bedtime. Post-MI: 180–240mg daily in divided doses.
Contraindications
Asthma. Sinus bradycardia. 2nd- or 3rd-degree AV block. Overt heart failure. Cardiogenic shock.
Precautions
CHF. Wolff-Parkinson-White syndrome. Renal or hepatic dysfunction. Bronchospastic disease, COPD. Diabetes. Hyperthyroidism. Surgery. SLE. Avoid abrupt cessation. Elderly. Pregnancy (Cat.C). Nursing mothers.
Interactions
Potentiated by alcohol, CNS depressants, other antihypertensives, antithyroid drugs, haloperidol, chlorpromazine, cimetidine. Bradycardia with catecholamine-depleting drugs. Antagonized by NSAIDs, barbiturates, rifampin, phenytoin. May increase cardiac effects of calcium channel blockers, digitalis, lidocaine. Potentiates theophylline, antipyrine, lidocaine. May block epinephrine. May interfere with glaucoma screening tests.
Adverse Reactions
Heart failure, hypotension, bronchospasm, bradycardia, heart block, fatigue, dizziness, depression, GI upset, skin reactions (eg, rash, Stevens-Johnson syndrome, urticaria), pharyngitis, agranulocytosis.
How Supplied
Tabs 60mg—100
10mg, 20mg, 40mg, 80mg—100, 5000
Additional Resources
Related Prescribing Note