2 doctors weighed in:

Why would atenolol taken for tachycardia quit working as well after years of usage?

2 doctors weighed in
Dr. Andrew Kaplan
Internal Medicine - Cardiology
1 doctor agrees

In brief: Tolerance

Any medical problem may change over time, making medication less effective.
Arrhythmias may become more prone to occur based on changes in the circuit or underlying heart condition. Other medications may also have an influence.

In brief: Tolerance

Any medical problem may change over time, making medication less effective.
Arrhythmias may become more prone to occur based on changes in the circuit or underlying heart condition. Other medications may also have an influence.
Dr. Andrew Kaplan
Dr. Andrew Kaplan
Thank
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