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- What is propranolol, and how does it work (mechanism of action)?
- What brand names are available for propranolol?
- Is propranolol available as a generic drug?
- Do I need a prescription for propranolol?
- What are the side effects of propranolol?
- What is the dosage for propranolol?
- Which drugs or supplements interact with propranolol?
- Is propranolol safe to take if I'm pregnant or breastfeeding?
- What else should I know about propranolol?
What is the dosage for propranolol?
The recommended dose for hypertension using short acting formulations is 80-240 mg twice daily. The maximum dose is 640 mg daily.
The usual dose using long acting formulations is 80-160 mg daily.
The recommended dose for chest pain is 80-320 mg daily using short acting formulations and 80-160 mg daily using long acting formulations.
The usual dose for treatment of abnormal heart rhythms is 10-30 mg 3-4 times daily of short acting formulations.
The recommended dose for preventing migraines is 80-240 mg daily.
Which drugs or supplements interact with propranolol?
Calcium channel blockers and digoxin (Lanoxin) can lower of blood pressure and heart rate to dangerous levels when administered together with propranolol. Propranolol can mask the early warning symptoms of low blood sugar (hypoglycemia) and should be used with caution in patients receiving treatment for diabetes. Propranolol reduces the metabolism of thioridazine (Mellaril), increasing the concentration of thioridazine in the body and potentially causing abnormal heart beats.
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