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What Causes Low Heart Rate While On Digoxin And Minax?

Posted on Sat, 14 Nov 2015

Question: If used to take 2 digioxin pg but now take just one as order by doctor bcos heart rate is about 43= too slow as he wants to increase it to about 50 at least！but now after taking only one instead of 2 tab which i had been doing so since 1977 heart rate gone even slower to between 39 and 40.suppose to see him again after one months timep.should i wait until then to tell him as may be body needs to adjust！

Thought lanoxin pg suppose to strenthen heart muscle= will give more energy.but bcos of heart rate too slow i was told to take one instead of 2！is this the reason why i felt less energy（at the same time heart rate is slower than before not fster

Answered by Dr. Divakara (40 minutes later)

Brief Answer:
Don't wait for 1 month.

Detailed Answer:
HI

Thanks for posting your query.

Your low heart rate is not due to Digoxin but it is due to Minax . What I would recommend is to reduce the dose of Minax to 25 mg , but this may increase your Blood pressure and hence an additional Blood pressure lowering medicine has to be added. I would recommend Telmisartan for the additional Blood pressure lowering medicine.

I don't recommend you to wait for one month as heart rate less than 40 ( you had 39 ) can be dangerous. Kindly consult your doctor soon and discuss this with him.

Hope this information was useful to you.
Any clarifications feel free to ask .

Regards.

Above answer was peer-reviewed by : Dr. Sonia Raina

Follow up: Dr. Divakara (8 hours later)

My BP was 153/59 when i saw GP for referral letter last wk.but when i saw the heart specialist few days later it was 140/60 he said that was ok，target rate was suppose to be 130/80.I had been taking half minax twice a day for nearly a year and Heart rate had been around 43 and now even lower bcos was told to take just one of lanoxin pg daily in order to get heart rate higher but instead it went lower！

Answered by Dr. Divakara (13 hours later)

Brief Answer:
Reducing digoxin won't lower heart rate.

Detailed Answer:
HI

Even Digoxin can lower heart rate, but the probability of lowering heart rate in more with Minax and hence you need to consider reducing Minax rather than Digoxin .

I don't think your heart rate has reduced due to reduction in digoxin dose .

Kindly consider reducing Minax with additional alternative Blood pressure lowering medicine.

Regards.

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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar