Questran and Centrum silver drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Questran (cholestyramine) and Centrum silver (ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e). Common drug interactions include chronic kidney disease among females and dysphonia among males.

The phase IV clinical study analyzes what interactions people have when they take Questran and Centrum silver. It is created by eHealthMe based on reports of 30 people who take the same drugs from the FDA, 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 Centrum silver?

Centrum silver has active ingredients of ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e. It is often used in vitamin supplementation. eHealthMe is studying from 19,997 Centrum silver users. Check the latest studies of Centrum silver.



On Jul, 28, 2026

30 people who take Questran and Centrum silver together, and have interactions are studied.

Questran and Centrum silver drug interactions.

What are the common drug interactions of Questran and Centrum Silver, by gender? *:

female:

  1. Chronic kidney disease
  2. Memory impairment
  3. Weight decreased
  4. Altered state of consciousness (altered state of mind)
  5. Anaemia (lack of blood)
  6. Anxiety
  7. Atrioventricular block first degree (heart block first degree)
  8. Dehydration (dryness resulting from the removal of water)
  9. Dizziness
  10. Dyspnoea exertional (breathlessness or shortness of breath)

male:

  1. Dysphonia (speech disorder attributable to a disorder of phonation)
  2. Malignant neoplasm progression (cancer tumour came back)
  3. Drug ineffective
  4. Exostosis (formation of new bone on the surface of a bone)
  5. Fall
  6. Generalised oedema (swelling all over the body)
  7. Glossodynia (a burning or painful sensation in the tongue)
  8. Hepatic enzyme increased
  9. Immunodeficiency
  10. Increased tendency to bruise (increased tendency to injure the underlying soft tissue or bone)

What are the common drug interactions of Questran and Centrum Silver, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

  1. Chronic kidney disease
  2. Renal failure (kidney dysfunction)

50-59:

  1. Ankle fracture
  2. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  3. Cellulitis (infection under the skin)
  4. Chronic kidney disease
  5. Depression
  6. Fall
  7. Joint dislocation (a joint position is changed from normal position)
  8. Joint effusion (presence of extra fluid in joint covering)
  9. Lower limb fracture
  10. Osteoarthritis (a joint disease caused by cartilage loss in a joint)

60+:

  1. Memory impairment
  2. Weight decreased
  3. Hair disorder
  4. Hyperkalaemia (damage to or disease of the kidney)
  5. Muscle spasms (muscle contraction)
  6. Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
  7. Renal failure acute (rapid kidney dysfunction)
  8. Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))
  9. Upper gastrointestinal haemorrhage (upper gastrointestinal bleeding)
  10. Adenocarcinoma pancreas (cancer of pancreas)

What are the existing conditions these people have? *

  1. Pain: 7 people, 23.33%
  2. Multiple Myeloma (cancer of the plasma cells): 6 people, 20.00%
  3. Thyroid Cancer: 5 people, 16.67%
  4. Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 5 people, 16.67%
  5. Stress And Anxiety: 4 people, 13.33%
  6. Cough: 4 people, 13.33%
  7. Nausea (feeling of having an urge to vomit): 4 people, 13.33%
  8. Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 3 people, 10.00%
  9. Osteoporosis (bones weak and more likely to break): 3 people, 10.00%
  10. Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 3 people, 10.00%

* Approximation only. Some reports may have incomplete information.

Do you take Questran and Centrum silver?

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Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Questran and Centrum silver:

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

Sub-studies by gender and age:

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

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

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

Browse all side effects of Centrum silver:

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

Browse all interactions between Questran and drugs from A to Z:

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

Browse all interactions between Centrum silver and drugs from A to Z:

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

How the study uses the data?

The study uses data from the FDA. It is based on cholestyramine and ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e (the active ingredients of Questran and Centrum silver, respectively), and Questran and Centrum silver (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

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.

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.

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