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A member asked:
How long does a beta blocker stay in your system ? i took atenolol for a month , 25 mgs twice a day . i discontinued it 3weeks ago, asthma flared up !
A doctor has provided 1 answer
Half life: Atenolol half life is about 6-7 hours. A few of days after stopping the medication, almost all of it is cleared. After 3 weeks, there should be no trace of this medication in your system.
Answered 1/29/2021
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