Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/12/2025

Propranolol Use in Patients Who Consume Alcohol: Precautions and Dosage Recommendations

Dosage and Administration

  • The American College of Cardiology recommends an initial dose of 10-40 mg, 3-4 times daily for immediate-release propranolol formulations in patients who consume alcohol 1
  • Consider using a three-times-daily dosing schedule for immediate-release propranolol in patients who consume alcohol to maintain more consistent blood levels 1
  • For patients with known heavy alcohol consumption, starting at lower doses (e.g., 10-20 mg three times daily for immediate release) is recommended 1

Special Considerations

  • Avoid abrupt cessation of propranolol in all patients, including those who consume alcohol, as this may precipitate rebound hypertension or exacerbate angina 2, 3
  • In patients with liver disease related to alcohol use, propranolol dosage may need to be reduced due to potentially decreased drug clearance 2