Review: could Flexeril cause Low Thyroid?


Low thyroid is found among people who take Flexeril, especially for people who are female, 50-59 old , have been taking the drug for 10+ years, also take medication Synthroid, and have Pain . We study 17,048 people who have side effects while taking Flexeril from FDA and social media. Among them, 151 have Low thyroid. Find out below who they are, when they have Low thyroid and more.

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Flexeril has active ingredients of cyclobenzaprine hydrochloride. It is often used in muscle spasms. (latest outcomes from Flexeril 19,420 users)

Low Thyroid

Low thyroid (abnormally low thyroid hormone production) has been reported by people with breathing difficulty, weakness, diarrhea, joint pain, fatigue (latest reports from 57,626 Low thyroid patients).

On Aug, 29, 2016

17,048 people reported to have side effects when taking Flexeril.
Among them, 151 people (0.89%) have Low Thyroid

Number of reports submitted per year:

Could Flexeril cause Low thyroid?

Time on Flexeril when people have Low Thyroid *:

  • < 1 month: 10 %
  • 1 - 6 months: 10 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 80 %

Gender of people who have Low Thyroid when taking Flexeril *:

  • female: 87.92 %
  • male: 12.08 %

Age of people who have Low Thyroid when taking Flexeril *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 1.67 %
  • 30-39: 2.5 %
  • 40-49: 34.17 %
  • 50-59: 38.33 %
  • 60+: 23.33 %

Severity if Low Thyroid when taking Flexeril **:

  • least: 0.0 %
  • moderate: 100 %
  • severe: 0.0 %
  • most severe: 0.0 %

How people recovered from Low Thyroid **:

  • while on drug: 0.0 %
  • after off the drug: 0.0 %
  • not yet: 100 %

Top conditions involved for these people *:

  • Pain (31 people)
  • Osteoporosis (18 people)
  • Muscle Spasms (18 people)
  • Hypertension (16 people)
  • Anxiety (12 people)

Top co-used drugs for these people *:

  • Synthroid (54 people)
  • Vioxx (43 people)
  • Neurontin (41 people)
  • Nexium (34 people)
  • Lasix (29 people)

* 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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