Synthroid and A-fib - from FDA reports


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 129,039 people who have side effects while taking Synthroid from FDA. Among them, 2,151 have A-fib. Find out below who they are, when they have A-fib and more.

What to expect?

If you take Synthroid and have A-fib, find out what symptoms you could have in 1 year or longer.

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Synthroid

Synthroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. (latest outcomes from Synthroid 137,580 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 (latest reports from 157,486 A-fib patients).

On Jan, 24, 2017

129,039 people reported to have side effects when taking Synthroid.
Among them, 2,151 people (1.67%) have A-fib


Number of reports submitted per year:

Could Synthroid cause A-fib?

Time on Synthroid when people have A-fib *:

  • < 1 month: 20.0 %
  • 1 - 6 months: 20.0 %
  • 6 - 12 months: 5.0 %
  • 1 - 2 years: 7.5 %
  • 2 - 5 years: 10.0 %
  • 5 - 10 years: 7.5 %
  • 10+ years: 30.0 %

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

  • female: 74.59 %
  • male: 25.41 %

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: 3.38 %
  • 50-59: 15.6 %
  • 60+: 79.11 %

Top conditions involved for these people *:

  • Hypothyroidism (246 people, 11.44%)
  • High Blood Pressure (173 people, 8.04%)
  • Osteoporosis (155 people, 7.21%)
  • Thyroid Diseases (125 people, 5.81%)
  • High Blood Cholesterol (115 people, 5.35%)

Top co-used drugs for these people *:

  • Lasix (533 people, 24.78%)
  • Coumadin (526 people, 24.45%)
  • Aspirin (387 people, 17.99%)
  • Digoxin (343 people, 15.95%)
  • Lipitor (275 people, 12.78%)

Top other side effects for these people *:

  • Cardiac Failure Congestive (443 people, 20.60%)
  • Breathing Difficulty (362 people, 16.83%)
  • Weakness (360 people, 16.74%)
  • High Blood Pressure (349 people, 16.23%)
  • Fatigue (329 people, 15.30%)

* 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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