Cataract in Questran - how severe and when it was recovered? (a real world drug study)

Summary:

We study how severe was Cataract, when it was recovered, drug effectiveness, race, and more among people who take Questran (cholestyramine). This phase IV clinical study is created by eHealthMe based on reports submitted to eHealthMe, and is updated regularly.

What is Questran?

Questran has active ingredients of cholestyramine. It is often used in diarrhea. eHealthMe is studying from 4,490 Questran users. Check the latest studies of Questran.

What is Cataract?

Cataract (clouding of the lens inside the eye) is found to be associated with 1,894 drugs and 2,132 conditions by eHealthMe. Check the latest studies of Cataract.



On Aug, 08, 2026

2 people who have Cataract while taking Questran were studied.

Could Questran cause Cataract?

Severity of Cataract *:

  • least: 0.0 %
  • moderate: 50 %
  • severe: 0.0 %
  • most severe: 50 %

When people recovered from Cataract:

n/a

Effectiveness of Questran *:

  • not at all: 0.0 %
  • somewhat: 0.0 %
  • moderate: 0.0 %
  • high: 50 %
  • very high: 50 %

Race of the people *:

  • African American, Non-Hispanic: 0.0 %
  • American Indian/Alaska Native: 0.0 %
  • Asian: 0.0 %
  • Hispanic: 0.0 %
  • Native Hawaiians/Pacific Islanders: 0.0 %
  • Two or more races: 100 %
  • White, Non-Hispanic: 0.0 %

Time on Questran *:

  • < 1 month: 0.0 %
  • 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: 100 %

Gender of people when taking Questran *:

  • female: 50 %
  • male: 50 %

Age of people when taking Questran *:

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

Conditions people have *:

  1. Stress And Anxiety: 1 person, 50.00%
  2. Liver Function Test Abnormal: 1 person, 50.00%
  3. Infection: 1 person, 50.00%
  4. High Blood Pressure: 1 person, 50.00%
  5. Growth Hormone Deficiency: 1 person, 50.00%
  6. Gout (uric acid crystals building up in the body): 1 person, 50.00%
  7. Fibromyalgia (a long-term condition which causes pain all over the body): 1 person, 50.00%
  8. Diabetes: 1 person, 50.00%
  9. Depression: 1 person, 50.00%
  10. Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 1 person, 50.00%

Other drugs people take besides Questran *:

  1. Wellbutrin Sr: 1 person, 50.00%
  2. Vitamin D: 1 person, 50.00%
  3. Aralen Hydrochloride: 1 person, 50.00%
  4. B Complex Vitamin: 1 person, 50.00%
  5. Claritin: 1 person, 50.00%
  6. Januvia: 1 person, 50.00%
  7. Metoprolol Tartrate: 1 person, 50.00%
  8. Multivitamin: 1 person, 50.00%
  9. Norditropin Flexpro: 1 person, 50.00%
  10. Omnaris: 1 person, 50.00%

Other side effects people have besides Cataract *:

  1. Sleep Apnea (a type of sleep disorder characterized by pauses in breathing): 1 person, 50.00%
  2. Oral Allergy Syndrome (a type of food allergy classified by a cluster of allergic reactions in the mouth in response to eating certain (usually fresh) fruits): 1 person, 50.00%
  3. Meniere's Disease (a disorder of the inner ear that can affect hearing and balance to a varying degree): 1 person, 50.00%
  4. Inflammatory Pain: 1 person, 50.00%
  5. Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 1 person, 50.00%
  6. High Blood Pressure: 1 person, 50.00%
  7. Heart Murmurs And Other Sounds (extra or unusual sound heard during a heartbeat): 1 person, 50.00%
  8. Heart Disease: 1 person, 50.00%
  9. Gout (uric acid crystals building up in the body): 1 person, 50.00%
  10. Glaucoma (increased fluid pressure in the eye with vision loss): 1 person, 50.00%

* Approximation only. Some reports may have incomplete information.

Do you take Questran and have Cataract?

Check whether Cataract is associated with a drug or a condition

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Related studies

How the study uses the data?

The study is based on cholestyramine (the active ingredients of Questran). Other drugs that have the same active ingredients (e.g. generic drugs) are considered. Dosage of drugs is not considered in the study.

Who is eHealthMe?

With medical big data and proven AI/ML 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 800+ peer-reviewed 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, DISCLAIMER, USE FOR PUBLICATION

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 eHealthMe.com 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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