The elimination half-life of atenolol is approximately 6 to 7 hours, meaning that plasma levels are reduced by half every 6 to 7 hours.
It usually takes around 5 half lives for a drug to be out of your system ie. 7 x 5 = 35 hours.
You can expect most of the atenolol to be out of your system after 35 hours.
If you have poor kidney function then elimination is significantly affected. Age, health, duration on medicine etc all affect this too.
Are you feeling side effects that aren't going away?
- Atenolol Information for Consumers
- Atenolol Information for Healthcare Professionals (includes dosage details)
- Side Effects of Atenolol (detailed)
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