Allegra and Idiopathic thrombocytopenic purpura (itp) - a phase IV clinical study of FDA data


Idiopathic thrombocytopenic purpura (itp) is found among people who take Allegra, especially for people who are female, 60+ old.

The phase IV clinical study analyzes which people take Allegra and have Idiopathic thrombocytopenic purpura (itp). It is created by eHealthMe based on reports of 66,294 people who have side effects when taking Allegra from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.

Phase IV trials are used to detect adverse drug outcomes and monitor drug effectiveness in the real world. With medical big data and AI algorithms, eHealthMe is running millions of phase IV trials and makes the results available to the public. Our original studies have been referenced on 600+ medical publications including The Lancet, Mayo Clinic Proceedings, and Nature.

On Oct, 01, 2022

66,294 people reported to have side effects when taking Allegra.
Among them, 6 people (0.01%) have Idiopathic thrombocytopenic purpura (itp).

What is Allegra?

Allegra has active ingredients of fexofenadine hydrochloride. It is often used in allergies. eHealthMe is studying from 68,474 Allegra users for its effectiveness, alternative drugs and more.

What is Idiopathic thrombocytopenic purpura (itp)?

Idiopathic thrombocytopenic purpura (itp) (bleeding disorder in which the immune system destroys platelets, which are necessary for normal blood clotting) is found to be associated with 1,152 drugs and 962 conditions by eHealthMe.

Number of Allegra and Idiopathic thrombocytopenic purpura (itp) reports submitted per year:

Could Allegra cause Idiopathic thrombocytopenic purpura (itp)?

Gender of people who have Idiopathic thrombocytopenic purpura (itp) when taking Allegra *:

  • female: 66.67 %
  • male: 33.33 %

Age of people who have Idiopathic thrombocytopenic purpura (itp) when taking Allegra *:

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 16.67 %
  • 40-49: 0.0 %
  • 50-59: 33.33 %
  • 60+: 50.0 %

Common drugs people take besides Allegra *:

  1. Xyzal Allergy 24hr: 1 person, 16.67%
  2. Xyzal: 1 person, 16.67%
  3. Fioricet: 1 person, 16.67%
  4. Flomax: 1 person, 16.67%
  5. Flonase: 1 person, 16.67%
  6. Gilenya: 1 person, 16.67%
  7. Krill Oil: 1 person, 16.67%
  8. Lasix: 1 person, 16.67%
  9. Lemtrada: 1 person, 16.67%
  10. Lexapro: 1 person, 16.67%

Common side effects people have besides Idiopathic thrombocytopenic purpura (itp) *:

  1. Thrombocytopenia (decrease of platelets in blood): 3 people, 50.00%
  2. Diarrhea: 2 people, 33.33%
  3. Red Cell Distribution Width Increased: 2 people, 33.33%
  4. Bleeding Into The Skin: 2 people, 33.33%
  5. Urticaria (rash of round, red welts on the skin that itch intensely): 2 people, 33.33%
  6. Rashes (redness): 2 people, 33.33%
  7. Gingival Bleeding (bleeding gums): 1 person, 16.67%
  8. Glucose Urine Present: 1 person, 16.67%
  9. Granulocyte Count Increased: 1 person, 16.67%
  10. Haematocrit Decreased: 1 person, 16.67%

Common conditions people have *:

  1. Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 2 people, 33.33%
  2. Multiple Allergies (allergy to multiple agents): 2 people, 33.33%
  3. Hypersensitivity: 2 people, 33.33%
  4. Seasonal Allergy (allergic condition due to certain season): 1 person, 16.67%
  5. Rashes (redness): 1 person, 16.67%
  6. Pain: 1 person, 16.67%
  7. Neuropathy Peripheral (surface nerve damage): 1 person, 16.67%
  8. Micturition Disorder (disease of passing urine): 1 person, 16.67%
  9. Hyperlipidaemia (presence of excess lipids in the blood): 1 person, 16.67%
  10. High Blood Pressure: 1 person, 16.67%

* Approximation only. Some reports may have incomplete information.

Do you take Allegra and have Idiopathic thrombocytopenic purpura (itp)?

Check whether Idiopathic thrombocytopenic purpura (itp) is associated with a drug or a condition

How to use the study?

You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.

Related studies

How severe was Idiopathic thrombocytopenic purpura (itp) and when was it recovered:

Expand to all the drugs that have ingredients of fexofenadine hydrochloride:

Alternative drugs to, pros and cons of Allegra:

Common Allegra side effects:

Browse all side effects of Allegra:

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Idiopathic thrombocytopenic purpura (itp) treatments and more:

COVID vaccines that are related to Idiopathic thrombocytopenic purpura (itp):

Common drugs associated with Idiopathic thrombocytopenic purpura (itp):

All the drugs that are associated with Idiopathic thrombocytopenic purpura (itp):

Common conditions associated with Idiopathic thrombocytopenic purpura (itp):

All the conditions that are associated with Idiopathic thrombocytopenic purpura (itp):

How the study uses the data?

The study uses data from the FDA. It is based on fexofenadine hydrochloride (the active ingredients of Allegra) and Allegra (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

Who is eHealthMe?

With medical big data and proven AI algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 600+ medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).


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. Our phase IV clinical studies alone cannot establish cause-effect relationship. 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.

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

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