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

Summary:

Drug interactions are reported among people who take Clopidogrel (clopidogrel) and Questran (cholestyramine). Common drug interactions include ileal stenosis among females and thrombosis among males.

The phase IV clinical study analyzes what interactions people have when they take Clopidogrel and Questran. It is created by eHealthMe based on reports of 18 people who take the same drugs from the FDA, and is updated regularly.

What is Clopidogrel?

Clopidogrel has active ingredients of clopidogrel. It is often used in blood clots. eHealthMe is studying from 92,160 Clopidogrel users. Check the latest studies of Clopidogrel.

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.

On Jul, 17, 2026

18 people who take Clopidogrel and Questran together, and have interactions are studied.

Clopidogrel and Questran drug interactions.

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

female:

Ileal stenosis (obstruction in the ileal)
Malaise (a feeling of general discomfort or uneasiness)
Renal injury (kidney injury)
Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))
Chronic kidney disease
Faecal volume increased

male:

Thrombosis (formation of a blood clot inside a blood vessel)
Blood creatinine increased
Clostridial infection (infectious conditions by clostridium bacteria)
Dehydration (dryness resulting from the removal of water)
Diarrhoea haemorrhagic (bloody diarrhoea)
Haemorrhage intracranial (bleeding within the skull)
Pyrexia (fever)

What are the common drug interactions of Clopidogrel and Questran, 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:

Diarrhoea haemorrhagic (bloody diarrhoea)

50-59:

Clostridial infection (infectious conditions by clostridium bacteria)
Completed suicide (act of taking one's own life)
Dehydration (dryness resulting from the removal of water)
Pyrexia (fever)

60+:

Transient ischaemic attack (a transient episode of neurologic dysfunction caused by ischemia (loss of blood flow))
Thrombosis (formation of a blood clot inside a blood vessel)
Blood creatinine increased
Haemorrhage intracranial (bleeding within the skull)

What are the existing conditions these people have? *

Myelodysplastic Syndrome (a group of conditions that occur when the blood-forming cells in the bone marrow are damaged): 2 people, 11.11%
High Blood Pressure: 2 people, 11.11%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 2 people, 11.11%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 2 people, 11.11%
Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 1 person, 5.56%
Prostate Cancer: 1 person, 5.56%
Pain: 1 person, 5.56%
High Blood Cholesterol: 1 person, 5.56%
Hepatic Encephalopathy (spectrum of neuropsychiatric abnormalities in patients with liver failure): 1 person, 5.56%
Dermatitis Atopic (inflammatory, chronically relapsing, non-contagious and pruritic skin disorder): 1 person, 5.56%

* Approximation only. Some reports may have incomplete information.

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