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 Atrial fibrillation . We study 128,803 people who have side effects while taking Synthroid from FDA and social media. Among them, 2,111 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 133,830 users)

A-fib

A-fib (most common type of arrhythmia) has been reported by people with breathing difficulty, atrial fibrillation/flutter, weakness, international normalised ratio increased, fatigue (latest reports from 149,630 A-fib patients).

On Sep, 17, 2016

128,803 people reported to have side effects when taking Synthroid.
Among them, 2,111 people (1.64%) have A-fib


Number of reports submitted per year:

Could Synthroid cause A-fib?

Time on Synthroid when people have A-fib *:

  • < 1 month: 16.67 %
  • 1 - 6 months: 12.5 %
  • 6 - 12 months: 4.17 %
  • 1 - 2 years: 4.17 %
  • 2 - 5 years: 12.5 %
  • 5 - 10 years: 14.58 %
  • 10+ years: 35.42 %

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

  • female: 74.89 %
  • male: 25.11 %

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

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.17 %
  • 20-29: 0.55 %
  • 30-39: 1.22 %
  • 40-49: 3.5 %
  • 50-59: 15.7 %
  • 60+: 78.86 %

Severity if A-fib when taking Synthroid **:

  • 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 conditions involved for these people *:

  • Atrial Fibrillation (289 people, 13.69%)
  • Hypothyroidism (247 people, 11.70%)
  • Hypertension (165 people, 7.82%)
  • Osteoporosis (153 people, 7.25%)
  • Thyroid Disorder (121 people, 5.73%)

Top co-used drugs for these people *:

  • Lasix (526 people, 24.92%)
  • Coumadin (524 people, 24.82%)
  • Aspirin (389 people, 18.43%)
  • Digoxin (344 people, 16.30%)
  • Lipitor (269 people, 12.74%)

Top other side effects for these people *:

  • Cardiac Failure Congestive (435 people, 20.61%)
  • Dyspnoea (355 people, 16.82%)
  • Asthenia (311 people, 14.73%)
  • Fatigue (302 people, 14.31%)
  • Pain (290 people, 13.74%)

* Approximation only. Some reports may have incomplete information.

** Reports from social media are used.

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