Review: could Femara cause Fever?


Fever is found among people who take Femara, especially for people who are female, 50-59 old , have been taking the drug for 1 - 6 months, also take medication Zometa, and have Breast cancer . We study 9,193 people who have side effects while taking Femara from FDA and social media. Among them, 521 have Fever. Find out below who they are, when they have Fever and more.

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Femara has active ingredients of letrozole. It is often used in breast cancer. (latest outcomes from Femara 9,278 users)


Fever has been reported by people with breathing difficulty, erythema multiforme, thrombocytopenia, rashes, renal failure acute (latest reports from 193,325 Fever patients).

On Aug, 24, 2016

9,193 people reported to have side effects when taking Femara.
Among them, 521 people (5.67%) have Fever

Number of reports submitted per year:

Could Femara cause Fever?

Time on Femara when people have Fever *:

  • < 1 month: 11.82 %
  • 1 - 6 months: 50.91 %
  • 6 - 12 months: 10.0 %
  • 1 - 2 years: 5.45 %
  • 2 - 5 years: 19.09 %
  • 5 - 10 years: 1.82 %
  • 10+ years: 0.91 %

Gender of people who have Fever when taking Femara *:

  • female: 96.24 %
  • male: 3.76 %

Age of people who have Fever when taking Femara *:

  • 0-1: 0.0 %
  • 2-9: 0.23 %
  • 10-19: 0.68 %
  • 20-29: 0.23 %
  • 30-39: 0.91 %
  • 40-49: 21.36 %
  • 50-59: 44.77 %
  • 60+: 31.82 %

Top conditions involved for these people *:

  • Breast Cancer (182 people)
  • Metastases To Bone (113 people)
  • Breast Cancer Metastatic (86 people)
  • Anxiety (55 people)
  • Pain (45 people)

Top co-used drugs for these people *:

  • Zometa (370 people)
  • Aredia (235 people)
  • Faslodex (137 people)
  • Tamoxifen Citrate (136 people)
  • Aromasin (127 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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