Could Methotrexate cause Influenza - from FDA reports


Summary

Influenza is found among people who take Methotrexate, especially for people who are female, 60+ old , have been taking the drug for 1 - 2 years, also take medication Enbrel, and have Rheumatoid arthritis . We study 209,150 people who have side effects while taking Methotrexate from FDA. Among them, 1,852 have Influenza. Find out below who they are, when they have Influenza and more.

What to expect?

If you take Methotrexate and have Influenza, find out what symptoms you could have in 1 year or longer.

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Methotrexate

Methotrexate has active ingredients of methotrexate sodium. It is often used in rheumatoid arthritis. (latest outcomes from Methotrexate 212,527 users)

Influenza

Influenza has been reported by people with rheumatoid arthritis, multiple sclerosis, high blood pressure, osteoporosis, psoriasis (latest reports from 47,732 Influenza patients).

On Jan, 10, 2017

209,150 people reported to have side effects when taking Methotrexate.
Among them, 1,852 people (0.89%) have Influenza


Number of reports submitted per year:

Could Methotrexate cause Influenza?

Time on Methotrexate when people have Influenza *:

  • < 1 month: 15.07 %
  • 1 - 6 months: 17.81 %
  • 6 - 12 months: 13.7 %
  • 1 - 2 years: 19.18 %
  • 2 - 5 years: 15.07 %
  • 5 - 10 years: 13.7 %
  • 10+ years: 5.48 %

Gender of people who have Influenza when taking Methotrexate *:

  • female: 81.59 %
  • male: 18.41 %

Age of people who have Influenza when taking Methotrexate *:

  • 0-1: 0.27 %
  • 2-9: 1.9 %
  • 10-19: 1.97 %
  • 20-29: 2.58 %
  • 30-39: 6.98 %
  • 40-49: 19.32 %
  • 50-59: 30.58 %
  • 60+: 36.41 %

Top conditions involved for these people *:

  • Rheumatoid Arthritis (1,250 people, 67.49%)
  • Pain (166 people, 8.96%)
  • High Blood Pressure (155 people, 8.37%)
  • Psoriatic Arthropathy (150 people, 8.10%)
  • Psoriasis (88 people, 4.75%)

Top co-used drugs for these people *:

  • Enbrel (622 people, 33.59%)
  • Humira (541 people, 29.21%)
  • Folic Acid (404 people, 21.81%)
  • Prednisone (206 people, 11.12%)
  • Actemra (113 people, 6.10%)

Top other side effects for these people *:

  • Joint Pain (290 people, 15.66%)
  • Pain (284 people, 15.33%)
  • Nasopharyngitis (253 people, 13.66%)
  • Fever (236 people, 12.74%)
  • Fatigue (224 people, 12.10%)

* 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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