How Long Does Atenolol Stay in Your System?
Question posted by ghalll on 17 Sep 2013
Last updated on 11 April 2014
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Official Answer
Medically reviewed by Drugs.com. Last updated on Nov 2, 2020.
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.
ever since i was taken atenolol i am severly losing hair everyday. i recently stop taken atenolol 25mg and hydrochlorothiazide 12.5mg becuase it was causing to much hair loss. i just want to know how long does those meds stay in your system? its been 2 weeks since i stop taken those meds.
Atenolol/cardol is bioaccumulative.It took six months to eliminate and for the extensive side effects to go away. I am not certain that there is not lingering renal, cardiac and or gastric damage. I did have an unintentional high dose over a prolonged period.
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Further information
- Atenolol uses and safety info
- Atenolol prescribing info & package insert (for Health Professionals)
- Side effects of Atenolol (detailed)
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