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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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How Long Does Metoprolol Stay In The System?

Hi, I am taking Metoprolol succ er 25 mg daily. I have been on it for 2 weeks. I started taking it because of arrhythmias. It seems my arrhythmias are worse now. My cardiologist told me to stop taking it. Is it safe for me to stop taking it without weaning off it? Also, how long will this med stay in my system and cause side effects?
Mon, 11 May 2015
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General & Family Physician,  's  Response
Thank you for asking on HCM!

You shouldn't stop taking Metoprolol abruptly!
Because sharp chest pain, irregular heartbeat and sometimes heart attack may occur if you do that.

Taper off rule is by reducing half the dose each week: 25mg->12.5mg->6.25mg->stop). I strongly recommend you to limit physical activity while you are lowering your dose!!!

Elimination half-life of metoprolol is 3 to 4 hours.

If new or worsened chest pain or other heart problems occur, see your doctor right away. You may need to start taking metoprolol tablets again.


Hope you find this helpful!

Dr.Elton
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How Long Does Metoprolol Stay In The System?

Thank you for asking on HCM! You shouldn t stop taking Metoprolol abruptly! Because sharp chest pain, irregular heartbeat and sometimes heart attack may occur if you do that. Taper off rule is by reducing half the dose each week: 25mg- 12.5mg- 6.25mg- stop). I strongly recommend you to limit physical activity while you are lowering your dose!!! Elimination half-life of metoprolol is 3 to 4 hours. If new or worsened chest pain or other heart problems occur, see your doctor right away. You may need to start taking metoprolol tablets again. Hope you find this helpful! Dr.Elton