Who have Heart palpitations with Synthroid - from FDA reports


Heart palpitations is found among people who take Synthroid, especially for people who are female, 60+ old , have been taking the drug for 1 - 6 months, also take medication Lasix, and have High blood pressure. This study is created by eHealthMe based on reports of 157,621 people who have side effects when taking Synthroid from FDA, and is updated regularly.

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On Nov, 13, 2018

157,621 people reported to have side effects when taking Synthroid.
Among them, 3,378 people (2.14%) have Heart palpitations


Number of reports submitted per year:

Could Synthroid cause Heart palpitations?

Time on Synthroid when people have Heart palpitations *:

  • < 1 month: 25.88 %
  • 1 - 6 months: 28.24 %
  • 6 - 12 months: 5.29 %
  • 1 - 2 years: 11.18 %
  • 2 - 5 years: 9.41 %
  • 5 - 10 years: 6.47 %
  • 10+ years: 13.53 %

Gender of people who have Heart palpitations when taking Synthroid *:

  • female: 89.87 %
  • male: 10.13 %

Age of people who have Heart palpitations when taking Synthroid *:

  • 0-1: 0.08 %
  • 2-9: 0.04 %
  • 10-19: 0.35 %
  • 20-29: 1.64 %
  • 30-39: 7.1 %
  • 40-49: 15.18 %
  • 50-59: 27.47 %
  • 60+: 48.15 %

Top conditions involved for these people *:

  1. High Blood Pressure: 244 people, 7.22%
  2. Osteoporosis (bones weak and more likely to break): 206 people, 6.10%
  3. Depression: 163 people, 4.83%
  4. High Blood Cholesterol: 158 people, 4.68%
  5. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 119 people, 3.52%

Click here to view more results or personalize the results to your gender and age

Top co-used drugs for these people *:

  1. Lasix: 265 people, 7.84%
  2. Lipitor: 256 people, 7.58%
  3. Premarin: 243 people, 7.19%
  4. Aspirin: 238 people, 7.05%
  5. Fosamax: 199 people, 5.89%

Click here to view more results or personalize the results to your gender and age

Top other side effects for these people *:

  1. Chest Pain: 769 people, 22.76%
  2. Fatigue (feeling of tiredness): 683 people, 20.22%
  3. Dizziness: 656 people, 19.42%
  4. Nausea (feeling of having an urge to vomit): 648 people, 19.18%
  5. Breathing Difficulty: 615 people, 18.21%

Click here to view more results or personalize the results to your gender and age

* Approximation only. Some reports may have incomplete information.

FDA reports used in this study



Do you have Heart palpitations while taking Synthroid?


You are not alone:




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NOTE: The study is based on active ingredients and brand name. Other drugs that have the same active ingredients (e.g. generic drugs) are NOT considered.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

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