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Review: could Xolair cause Pneumonia?

Summary: Pneumonia could be caused by Xolair, especially for people who are female, 40-49 old, have been taking the drug for 1 - 6 months, also take Singulair, and have Asthma.

We study 11,488 people who have side effects while taking Xolair from FDA and social media. Among them, 526 have Pneumonia. Find out below who they are, when they have Pneumonia and more.

On Apr, 6, 2014: 11,486 people reported to have side effects when taking Xolair. Among them, 526 people (4.58%) have Pneumonia. They amount to 0.07% of all the 753,628 people who have Pneumonia on eHealthMe.

Trend of Pneumonia in Xolair reports

Time on Xolair when people have Pneumonia * :

< 1 month1 - 6 months6 - 12 months1 - 2 years2 - 5 years5 - 10 years10+ years

Gender of people who have Pneumonia when taking Xolair * :


Age of people who have Pneumonia when taking Xolair * :


Severity of Pneumonia when taking Xolair ** :


How people recovered from Pneumonia ** :


Top conditions involved for these people * :

  1. Asthma (526 people, 100.00%)
  2. Hypersensitivity (94 people, 17.87%)
  3. Bronchitis (20 people, 3.80%)
  4. Gastrooesophageal reflux disease (7 people, 1.33%)
  5. Hypertension (7 people, 1.33%)

Top co-used drugs for these people * :

  1. Singulair (370 people, 70.34%)
  2. Alvesco (204 people, 38.78%)
  3. Symbicort (188 people, 35.74%)
  4. Ventolin (182 people, 34.60%)
  5. Spiriva (174 people, 33.08%)

* 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.

Related topic: Xolair, Pneumonia

You can also:

On eHealthMe, Xolair (omalizumab) is often used for asthma. Find out below the conditions Xolair is used for, how effective it is, and any alternative drugs that you can use to treat those same conditions.

What is Xolair used for and how effective is it:

Other drugs that are used to treat the same conditions:

Could it be a symptom from a condition:

Drugs in real world that are associated with:

Could your condition cause it?

Comments from related studies:

  • From this study (2 months ago):

  • After third infusion of Remicade I developed pneumonia requiring hospitalization. An 8 day stay with anti-biotic treatments. I developed oral candida albicans where lozenges (200) failed to cure. Just switched to liquid solution w/I last 2 days. Doctors report I have developed pulmonary fibrosis. We are just now addressing that symptom/result. I had one more infusion 6 weeks after entering the hospital, and had negative symptoms. Doctor advises to stop all Remicade treatments. O2 intake is now at 90%, where as last year it would normally be 95%+ w/o exertion.


  • From this study (3 months ago):

  • Violent episodes of tremors in one or more limbs.


  • From this study (3 months ago):

  • Anaphylaxis after 3 months treatment w Xolair
    After taken off treatment, found was much more sensitive to latex allergy trigger with significant increase in anaphylaxis and anaphylactoid reactions. Also, latex fruit syndrome sensitivities skyrocketed.

    all others I've spoken to who were taken off of Xolair report similar increases in senssitivity


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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.

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only, and has not been supported by scientific studies or clinical trials unless otherwise stated. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

You may report adverse side effects to the FDA at or 1-800-FDA-1088 (1-800-332-1088).

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.


Related study

- Xolair side effects


Related symptom

- Pneumonia



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