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How long does it take for propranolol to reduce heart rate?

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Practicing since : 2002
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how long does it take for 10mg of propranolol to reduce your heart rate and how long will this lower your heart for.
Posted Tue, 3 Sep 2013 in Hypertension and Heart Disease
Answered by Dr. Robert Galamaga 13 minutes later
Hello and thank you for sending your question.

This is a very good question.

I would estimate that it will take about one or two hours for the medication to start to affect the heart rate. This effect would last for anywhere from 8 to 12 hours with the regular short acting version of this medication.

Thank you again for sending your question. Please let me know if you have any additional specific concerns.

Dr. Galamaga
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