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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Rapid Heart Rate After Using Levothyroxine 0.025 Mg?

I have been taking levothyroxine 0.025 mg. for the past week. The past 2 days I have bee extremely irritable and having heart racing. My diagnosis of hypothyroidism was made on the basis of an elevated secretion of the pituitary. But the cure is worse than the disease. I see no hope. Is there something else that can be done besides taking levothyroxine 0.025 mg? Thank you.
Fri, 29 May 2015
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General & Family Physician 's  Response
Hello dear user!
Welcome and thank you for using HCM.

I understand your concerns you are describing on your query.
Rapid heart rate in this case is exclusively the side effect of Levothyroxin.
Have you done thyroid hormones test to see the values of them?
If they are normal, Levothyroxin would cause you these symptoms.

Rapid heart rate, chest discomfort, palpitations, sweating, diarrhea, hypertension etc, may be found while taking levothyroxin.
I would suggest you to quit taking that medication and consult the doctor which has prescribed it, because a change to its dose may be needed.

I hope you will be fine soon.
Wish you a good health!
Dr ERIOL
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What Causes Rapid Heart Rate After Using Levothyroxine 0.025 Mg?

Hello dear user! Welcome and thank you for using HCM. I understand your concerns you are describing on your query. Rapid heart rate in this case is exclusively the side effect of Levothyroxin. Have you done thyroid hormones test to see the values of them? If they are normal, Levothyroxin would cause you these symptoms. Rapid heart rate, chest discomfort, palpitations, sweating, diarrhea, hypertension etc, may be found while taking levothyroxin. I would suggest you to quit taking that medication and consult the doctor which has prescribed it, because a change to its dose may be needed. I hope you will be fine soon. Wish you a good health! Dr ERIOL