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A member asked:
Doctor how quickly and for how long does propranolol 40 mg work for lowering blood pressure?
4 doctors weighed in across 2 answers
Peak effect will be in 2-3 hours and it lasts around 6-8 hours.
Answered 8/15/2021
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As a Hypertensionologist I can tell you it starts in minutes depending on which one you are using and dose and other meds you are taking and how much salt you eat.
Answered 8/16/2021
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