Review: could Synthroid cause A-fib?


Summary

A-fib is found among people who take Synthroid, especially for people who are female, 60+ old , have been taking the drug for 10+ years, also take medication Lasix, and have Hypothyroidism . We study 132,334 people who have side effects while taking Synthroid from FDA and social media. Among them, 2,145 have A-fib. Find out below who they are, when they have A-fib and more.

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Synthroid

Synthroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. (latest outcomes from Synthroid 137,406 users)

A-fib

A-fib (most common type of arrhythmia) has been reported by people with atrial fibrillation/flutter, high blood pressure, diabetes, multiple myeloma, rheumatoid arthritis (latest reports from 157,392 A-fib patients).

On Nov, 17, 2016

132,334 people reported to have side effects when taking Synthroid.
Among them, 2,145 people (1.62%) have A-fib


Number of reports submitted per year:

Could Synthroid cause A-fib?

Time on Synthroid when people have A-fib *:

  • < 1 month: 15.09 %
  • 1 - 6 months: 16.98 %
  • 6 - 12 months: 5.66 %
  • 1 - 2 years: 5.66 %
  • 2 - 5 years: 9.43 %
  • 5 - 10 years: 13.21 %
  • 10+ years: 33.96 %

Gender of people who have A-fib when taking Synthroid *:

  • female: 74.7 %
  • male: 25.3 %

Age of people who have A-fib when taking Synthroid *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.16 %
  • 20-29: 0.55 %
  • 30-39: 1.2 %
  • 40-49: 3.5 %
  • 50-59: 15.54 %
  • 60+: 79.04 %

Severity of A-fib **:

  • least: 0.0 %
  • moderate: 57.14 %
  • severe: 42.86 %
  • most severe: 0.0 %

How people recovered from A-fib **:

  • while on drug: 22.22 %
  • after off the drug: 22.22 %
  • not yet: 55.56 %

Top co-used drugs for these people *:

  • Lasix (533 people, 24.85%)
  • Coumadin (527 people, 24.57%)
  • Aspirin (389 people, 18.14%)
  • Digoxin (344 people, 16.04%)
  • Lipitor (276 people, 12.87%)

Forecasts by ePatient.care (You can know it earlier! Forecast new symptoms and undetected conditions when you take Synthroid, learn more)

Potential co-existing conditions

  • Osteoporosis (154 people, 7.18%)
  • High Blood Cholesterol (114 people, 5.31%)

Potential co-existing symptoms

  • Cardiac Failure Congestive (438 people, 20.42%)
  • Breathing Difficulty (358 people, 16.69%)
  • Weakness (357 people, 16.64%)
  • High Blood Pressure (346 people, 16.13%)
  • Fatigue (327 people, 15.24%)

* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

How to use the study: print a copy of the study and bring it to your health teams to ensure drug risks and benefits are fully discussed and understood.

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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.

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