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Heart Disease (Expert Forum)
Inderal
Answered by
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Inderal
by Christine, Nov 10, 1999 12:00AM
Hello,
I have frequent PVCs, a holter moniter registered 5000+ in one day (and that was a good day). On my last EKG, my Dr. said there was some question about a long QT interval, she said it was nothing to worry about, she didn't even mention it at the time (also, I have had yearly EKGs for about 3 years running, no mention of long QT interval). She also found my TSH levels were high. She put me on 40mg of Inderal, which helps the PVCs. My questions are:
Is the Inderal treating my thyroid, which might be causing the PVCs? Or is it treating my heart?
I did a little research on Long QT intervals, I was wondering if being on a drug like Inderal, which slows the heart down, is bad for a "questionnable" long QT interval?
What are the common side effects of Inderal? Is it usually well tolerated?
Thanks so much!
Christine
I have frequent PVCs, a holter moniter registered 5000+ in one day (and that was a good day). On my last EKG, my Dr. said there was some question about a long QT interval, she said it was nothing to worry about, she didn't even mention it at the time (also, I have had yearly EKGs for about 3 years running, no mention of long QT interval). She also found my TSH levels were high. She put me on 40mg of Inderal, which helps the PVCs. My questions are:
Is the Inderal treating my thyroid, which might be causing the PVCs? Or is it treating my heart?
I did a little research on Long QT intervals, I was wondering if being on a drug like Inderal, which slows the heart down, is bad for a "questionnable" long QT interval?
What are the common side effects of Inderal? Is it usually well tolerated?
Thanks so much!
Christine
Doctor's Answer
by Cleveland Clinic, MD, Nov 10, 1999 12:00AM
, Nov 10, 1999 12:00AM
Inderal is a beta-blocker. Beta-blockers are used to treat palpitations, high blood pressure, angina (chest pain), heart attacks, heart rhythm problems such as atrial fibrillation and more recently heart failure.
Potential side effects include: >10 % mental depression, tiredness, weakness, dizziness
1-10% Bradycardia (slow heart rate), wheezing, irregular heart beat, reduced peripheral circulation, heartburn
<1% Rash, chest pain, constipation, decreased sexual activity, itching, nausea, vomiting, stomach discomfort, insomnia, heart failure, nightmares, confusion, headache, impotence, cold extremities.
Potential drug interactions include:
Increased effect of metoprolol - amiodarone, cimetidine, diltiazem, nifedipine, nicardipine, verapamil, flecainide, hydralazine, MAO inhibitors, quinidine, ciprofloxacin, propafenone, oral contraeptives, fluoxetine, sertraline.
Decreased effect of metoprolol - NSAIDS, salycylates, barbiturates, rifampin, clonidine
Potential side effects include: >10 % mental depression, tiredness, weakness, dizziness
1-10% Bradycardia (slow heart rate), wheezing, irregular heart beat, reduced peripheral circulation, heartburn
<1% Rash, chest pain, constipation, decreased sexual activity, itching, nausea, vomiting, stomach discomfort, insomnia, heart failure, nightmares, confusion, headache, impotence, cold extremities.
Potential drug interactions include:
Increased effect of metoprolol - amiodarone, cimetidine, diltiazem, nifedipine, nicardipine, verapamil, flecainide, hydralazine, MAO inhibitors, quinidine, ciprofloxacin, propafenone, oral contraeptives, fluoxetine, sertraline.
Decreased effect of metoprolol - NSAIDS, salycylates, barbiturates, rifampin, clonidine
