Review: could Synthroid cause Myoclonus?


Summary

Myoclonus is found among people who take Synthroid, especially for people who are female, 60+ old , have been taking the drug for 2 - 5 years, also take medication Cymbalta, and have Hypothyroidism . We study 128,803 people who have side effects while taking Synthroid from FDA and social media. Among them, 60 have Myoclonus. Find out below who they are, when they have Myoclonus 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)

Myoclonus

Myoclonus (a brief, involuntary twitching of a muscle or a group of muscles) has been reported by people with breathing difficulty, fever, pain, drug ineffective, weakness (latest reports from 6,746 Myoclonus patients).

On Sep, 20, 2016

128,803 people reported to have side effects when taking Synthroid.
Among them, 60 people (0.05%) have Myoclonus


Number of reports submitted per year:

Could Synthroid cause Myoclonus?

Time on Synthroid when people have Myoclonus *:

  • < 1 month: 0.0 %
  • 1 - 6 months: 0.0 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 100 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Myoclonus when taking Synthroid *:

  • female: 70 %
  • male: 30 %

Age of people who have Myoclonus when taking Synthroid *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 1.85 %
  • 30-39: 3.7 %
  • 40-49: 9.26 %
  • 50-59: 25.93 %
  • 60+: 59.26 %

Top conditions involved for these people *:

  • Hypothyroidism (8 people, 13.33%)
  • Osteoporosis (7 people, 11.67%)
  • Chronic Obstructive Pulmonary Disease (5 people, 8.33%)
  • Oedema (3 people, 5.00%)
  • Muscle Spasms (3 people, 5.00%)

Top co-used drugs for these people *:

  • Lasix (15 people, 25.00%)
  • Cymbalta (15 people, 25.00%)
  • Provigil (12 people, 20.00%)
  • Prevacid (12 people, 20.00%)
  • Neurontin (12 people, 20.00%)

Top other side effects for these people *:

  • Asthenia (24 people, 40.00%)
  • Headache (23 people, 38.33%)
  • Fatigue (21 people, 35.00%)
  • Nausea (20 people, 33.33%)
  • Dizziness (20 people, 33.33%)

* 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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Myoclonus

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