Review: could Cefazolin cause Anaphylaxis?


Anaphylaxis is found among people who take Cefazolin, especially for people who are female, 60+ old , have been taking the drug for < 1 month, also take medication Propofol, and have Anaesthesia . We study 5,693 people who have side effects while taking Cefazolin from FDA and social media. Among them, 335 have Anaphylaxis. Find out below who they are, when they have Anaphylaxis and more.

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Cefazolin has active ingredients of cefazolin sodium. It is often used in preventive health care. (latest outcomes from Cefazolin 5,700 users)


Anaphylaxis (serious allergic reaction that is rapid in onset and may cause death) has been reported by people with injection site haematoma, hypotension, rashes, ventricular tachycardia, drug ineffective (latest reports from 28,282 Anaphylaxis patients).

On Jul, 26, 2016

5,693 people reported to have side effects when taking Cefazolin.
Among them, 335 people (5.88%) have Anaphylaxis

Number of reports submitted per year:

Could Cefazolin cause Anaphylaxis?

Time on Cefazolin when people have Anaphylaxis *:

  • < 1 month: 98.41 %
  • 1 - 6 months: 1.59 %
  • 6 - 12 months: 0.0 %
  • 1 - 2 years: 0.0 %
  • 2 - 5 years: 0.0 %
  • 5 - 10 years: 0.0 %
  • 10+ years: 0.0 %

Gender of people who have Anaphylaxis when taking Cefazolin *:

  • female: 59.13 %
  • male: 40.87 %

Age of people who have Anaphylaxis when taking Cefazolin *:

  • 0-1: 0.0 %
  • 2-9: 0.68 %
  • 10-19: 5.76 %
  • 20-29: 7.12 %
  • 30-39: 19.32 %
  • 40-49: 12.54 %
  • 50-59: 13.22 %
  • 60+: 41.36 %

Top conditions involved for these people *:

  • Anaesthesia (40 people)
  • Prophylaxis (24 people)
  • General Anaesthesia (13 people)
  • Surgery (10 people)
  • Hypertension (5 people)

Top co-used drugs for these people *:

  • Propofol (69 people)
  • Diprivan (52 people)
  • Midazolam Hcl (34 people)
  • Vecuronium Bromide (32 people)
  • Sevoflurane (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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