A member asked:

How long does it take for propranolol to kick in when blood pressure goes up?

A doctor has provided 1 answer

depends: If you have the short acting type and take it on an empty stomach, you should see an effect within an hour. If you're using the extended release preparation, it could take 2 days to begin to see an effect which will peak over several days.

Answered 2/6/2020

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