Review: could Levothyroxine Sodium cause Ventricular Tachycardia?


Ventricular tachycardia is found among people who take Levothyroxine Sodium, especially for people who are female, 60+ old , have been taking the drug for 6 - 12 months, also take medication Furosemide, and have Hypothyroidism . We study 65,372 people who have side effects while taking Levothyroxine sodium from FDA and social media. Among them, 221 have Ventricular tachycardia. Find out below who they are, when they have Ventricular tachycardia and more.

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Levothyroxine Sodium

Levothyroxine sodium has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. (latest outcomes from Levothyroxine sodium 68,097 users)

Ventricular Tachycardia

Ventricular tachycardia (rapid heartbeat that originates in one of the lower chambers (the ventricles) of the heart) has been reported by people with electrocardiogram qt prolonged, breathing difficulty, hypotension, cardiac failure, arrhythmias (latest reports from 13,794 Ventricular tachycardia patients).

On Aug, 20, 2016

65,372 people reported to have side effects when taking Levothyroxine Sodium.
Among them, 221 people (0.34%) have Ventricular Tachycardia

Number of reports submitted per year:

Could Levothyroxine sodium cause Ventricular tachycardia?

Time on Levothyroxine Sodium when people have Ventricular Tachycardia *:

  • < 1 month: 10 %
  • 1 - 6 months: 20 %
  • 6 - 12 months: 70 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Ventricular Tachycardia when taking Levothyroxine Sodium *:

  • female: 60.91 %
  • male: 39.09 %

Age of people who have Ventricular Tachycardia when taking Levothyroxine Sodium *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 3.08 %
  • 20-29: 1.03 %
  • 30-39: 5.13 %
  • 40-49: 13.33 %
  • 50-59: 15.9 %
  • 60+: 61.54 %

Severity if Ventricular Tachycardia when taking Levothyroxine Sodium **:

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

How people recovered from Ventricular Tachycardia **:

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

Top conditions involved for these people *:

  • Hypothyroidism (25 people)
  • Prophylaxis (10 people)
  • Hypertension (10 people)
  • Depression (10 people)
  • Atrial Fibrillation (9 people)

Top co-used drugs for these people *:

  • Furosemide (53 people)
  • Digoxin (49 people)
  • Amiodarone Hcl (41 people)
  • Aspirin (39 people)
  • Lasix (35 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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