Questran and Pruritus generalised - a phase IV clinical study of FDA data


Pruritus generalised is found among people who take Questran, especially for people who are male, 60+ old, have been taking the drug for < 1 month.

The phase IV clinical study analyzes which people take Questran and have Pruritus generalised. It is created by eHealthMe based on reports of 4,050 people who have side effects when taking Questran 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, 03, 2022

4,050 people reported to have side effects when taking Questran.
Among them, 12 people (0.3%) have Pruritus generalised.

What is Questran?

Questran has active ingredients of cholestyramine. It is often used in diarrhea. eHealthMe is studying from 4,132 Questran users for its effectiveness, alternative drugs and more.

What is Pruritus generalised?

Pruritus generalised (generalized itching) is found to be associated with 1,880 drugs and 1,409 conditions by eHealthMe.

Number of Questran and Pruritus generalised reports submitted per year:

Could Questran cause Pruritus generalised?

Time on Questran when people have Pruritus generalised *:

  • < 1 month: 100 %
  • 1 - 6 months: 0.0 %
  • 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 Pruritus generalised when taking Questran *:

  • female: 30 %
  • male: 70 %

Age of people who have Pruritus generalised when taking Questran *:

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

Common drugs people take besides Questran *:

  1. Allopurinol: 2 people, 16.67%
  2. Ativan: 2 people, 16.67%
  3. Crestor: 2 people, 16.67%
  4. Colecalciferol: 2 people, 16.67%
  5. Furosemide: 2 people, 16.67%
  6. Cipro: 2 people, 16.67%
  7. Heparin: 2 people, 16.67%
  8. Lomotil: 2 people, 16.67%
  9. Nexium: 2 people, 16.67%
  10. Ninlaro: 2 people, 16.67%

Common side effects people have besides Pruritus generalised *:

  1. Rashes (redness): 4 people, 33.33%
  2. Eosinophilia (eosinophil count in the peripheral blood exceeds): 3 people, 25.00%
  3. Fungal Infection: 3 people, 25.00%
  4. Weight Increased: 2 people, 16.67%
  5. Renal Tubular Disorder (disease of kidney tubules): 2 people, 16.67%
  6. Fall: 2 people, 16.67%
  7. Infusion Related Reaction: 2 people, 16.67%
  8. Loss Of Consciousness: 2 people, 16.67%
  9. Oropharyngeal Pain: 2 people, 16.67%
  10. Acute Kidney Failure: 2 people, 16.67%

Common conditions people have *:

  1. Pain: 3 people, 25.00%
  2. Crohn's Disease (condition that causes inflammation of the gastrointestinal tract): 3 people, 25.00%
  3. Urinary Tract Infection: 2 people, 16.67%
  4. Renal Cell Carcinoma (a kidney cancer): 2 people, 16.67%
  5. Pulmonary Embolism (blockage of the main artery of the lung): 2 people, 16.67%
  6. Multiple Myeloma (cancer of the plasma cells): 2 people, 16.67%
  7. Hypotension (abnormally low blood pressure): 2 people, 16.67%
  8. Blood Glucose Increased: 2 people, 16.67%
  9. Pulmonary Tuberculosis (lungs tuberculosis): 1 person, 8.33%
  10. Indigestion: 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Questran and have Pruritus generalised?

Check whether Pruritus generalised 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 Pruritus generalised and when was it recovered:

Expand to all the drugs that have ingredients of cholestyramine:

Alternative drugs to, pros and cons of Questran:

Common Questran side effects:

Browse all side effects of Questran:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Pruritus generalised treatments and more:

COVID vaccines that are related to Pruritus generalised:

Common drugs associated with Pruritus generalised:

All the drugs that are associated with Pruritus generalised:

Common conditions associated with Pruritus generalised:

All the conditions that are associated with Pruritus generalised:

How the study uses the data?

The study uses data from the FDA. It is based on cholestyramine (the active ingredients of Questran) and Questran (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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