Review: could Synthroid cause Atrial Fibrillation?


Summary

Atrial fibrillation 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 Atrial fibrillation. Find out below who they are, when they have Atrial fibrillation and more.

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Synthroid

Synthroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. (latest outcomes from Synthroid 133,827 users)

Atrial Fibrillation

Atrial fibrillation (fibrillation of the muscles of the atria of the heart) has been reported by people with breathing difficulty, hypotension, weakness, diarrhea, international normalised ratio increased (latest reports from 149,625 Atrial fibrillation patients).

On Sep, 17, 2016

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


Number of reports submitted per year:

Could Synthroid cause Atrial fibrillation?

Time on Synthroid when people have Atrial Fibrillation *:

  • < 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 Atrial Fibrillation when taking Synthroid *:

  • female: 74.89 %
  • male: 25.11 %

Age of people who have Atrial Fibrillation 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 Atrial Fibrillation when taking Synthroid **:

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

How people recovered from Atrial Fibrillation **:

  • 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.

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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