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A member asked:
How long does it take for my blood pressure medication atenolol to start working?
4 doctors weighed in across 2 answers
About 4hours: The blood level of a 50mg dose of atenolol will peak at after about 4 hours of administration. The effect on blood pressure is probably noticeable at about 1 hour after administration with hishges effect as the blood level peaks.
Answered 5/3/2019
5.8k views
Soon: Atenolol will begin "working" within a few hours after taking the first dose, but its full effect will take 3-4 days. If your BP is not improved within 1-2 weeks, you may need a higher dose, a different medication, or a second medication. An appropriate goal is for your BP to be.
Answered 6/21/2018
4.7k views
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