Risperidone and Welchol drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Risperidone (risperidone) and Welchol (colesevelam hydrochloride). Common drug interactions include abdominal distension among females and abdominal discomfort among males.

The phase IV clinical study analyzes what interactions people have when they take Risperidone and Welchol. It is created by eHealthMe based on reports of 13 people who take the same drugs from the FDA, and is updated regularly.

What is Risperidone?

Risperidone has active ingredients of risperidone. It is often used in bipolar disorder. eHealthMe is studying from 72,175 Risperidone users. Check the latest studies of Risperidone.

What is Welchol?

Welchol has active ingredients of colesevelam hydrochloride. It is often used in high blood cholesterol. eHealthMe is studying from 11,309 Welchol users. Check the latest studies of Welchol.

On Jul, 11, 2026

13 people who take Risperidone and Welchol together, and have interactions are studied.

Risperidone and Welchol drug interactions.

What are the common drug interactions of Risperidone and Welchol, by gender? *:

female:

Abdominal distension
Abdominal pain
Asthenia (weakness)
Drug ineffective
Fatigue (feeling of tiredness)
Gastrointestinal disorder (functional problems of gastrointestinal tract)
Head injury
Loss of consciousness
Vomiting
Weight decreased

male:

Abdominal discomfort
Blood potassium decreased
Photophobia (extreme sensitivity to light)
Prostate infection
Renal failure (kidney dysfunction)
Tremor (trembling or shaking movements in one or more parts of your body)
Urinary tract infection
Visual impairment
Vomiting
Abnormal dreams

What are the common drug interactions of Risperidone and Welchol, 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:

Abdominal discomfort
Blood potassium decreased
Cystitis (inflammation of the wall of the bladder)
Diabetes mellitus inadequate control
Drug dependence
Fatigue (feeling of tiredness)
Fear
Headache (pain in head)
Nausea (feeling of having an urge to vomit)
Nervousness

50-59:

Dehydration (dryness resulting from the removal of water)

60+:

Abdominal distension
Abdominal pain
Biliary dilatation
Blood alkaline phosphatase increased
Blood creatinine increased
Blood lactate dehydrogenase increased
Cardiac failure congestive
Cholestasis (a condition where bile cannot flow from the liver to the duodenum)
Chronic kidney disease
Death

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 4 people, 30.77%
Fungal Infection: 3 people, 23.08%
High Blood Pressure: 2 people, 15.38%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 15.38%
Screaming (a long loud piercing cry): 1 person, 7.69%
Agitation (state of anxiety or nervous excitement): 1 person, 7.69%
Cardiac Disorder: 1 person, 7.69%
Diarrhea: 1 person, 7.69%
Fungaemia (fungi circulate in the blood): 1 person, 7.69%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 1 person, 7.69%

* Approximation only. Some reports may have incomplete information.

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