Review: could Tysabri cause Pulmonary Embolism?


Pulmonary embolism is found among people who take Tysabri, especially for people who are female, 40-49 old , have been taking the drug for 1 - 6 months, also take medication Baclofen, and have Multiple sclerosis . We study 139,604 people who have side effects while taking Tysabri from FDA and social media. Among them, 502 have Pulmonary embolism. Find out below who they are, when they have Pulmonary embolism and more.

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Tysabri has active ingredients of natalizumab. It is often used in multiple sclerosis. (latest outcomes from Tysabri 133,866 users)

Pulmonary Embolism

Pulmonary embolism (blockage of the main artery of the lung) has been reported by people with breathing difficulty, fever, hypotension, international normalised ratio increased, chest pain (latest reports from 67,581 Pulmonary embolism patients).

On Aug, 21, 2016

139,604 people reported to have side effects when taking Tysabri.
Among them, 502 people (0.36%) have Pulmonary Embolism

Number of reports submitted per year:

Could Tysabri cause Pulmonary embolism?

Time on Tysabri when people have Pulmonary Embolism *:

  • < 1 month: 10.05 %
  • 1 - 6 months: 27.4 %
  • 6 - 12 months: 12.33 %
  • 1 - 2 years: 21.92 %
  • 2 - 5 years: 26.48 %
  • 5 - 10 years: 1.83 %
  • 10+ years: 0.0 %

Gender of people who have Pulmonary Embolism when taking Tysabri *:

  • female: 70.12 %
  • male: 29.88 %

Age of people who have Pulmonary Embolism when taking Tysabri *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.45 %
  • 20-29: 9.42 %
  • 30-39: 19.28 %
  • 40-49: 32.96 %
  • 50-59: 27.13 %
  • 60+: 10.76 %

Top conditions involved for these people *:

  • Multiple Sclerosis (409 people)
  • Relapsing-Remitting Multiple Sclerosis (58 people)
  • Contraception (28 people)
  • Pain (23 people)
  • Crohn's Disease (19 people)

Top co-used drugs for these people *:

  • Baclofen (59 people)
  • Avonex (58 people)
  • Lyrica (27 people)
  • Yaz (23 people)
  • Provigil (20 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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