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Medical Editor: John P. Cunha, DO, FACOEP
Questran (cholestyramine) for Oral Suspension is used to lower high levels of cholesterol in the blood, especially low-density lipoprotein (LDL) ("bad" cholesterol). Questran powder is also used to treat itching caused by a blockage in the bile ducts of the gallbladder. It is a cholesterol-lowering agent. The brand name Questran is discontinued in the U.S. Generic forms may still be available. Common side effects include constipation, stomach/abdominal pain, gas, nausea, and vomiting.
The recommended starting adult dose for all cholestyramine powdered products is one packet or one level scoopful once or twice a day. The recommended maintenance dose is 2 to 4 packets or scoopfuls daily (8-16 grams anhydrous cholestyramine resin) divided into two doses. Cholestyramine may interact with blood thinners, digoxin, propranolol, diuretics (water pills), thyroid hormones, birth control pills or hormone replacement, seizure medicines, or antibiotics. Tell your doctor all medications you use. During pregnancy, cholestyramine should be used only when prescribed. It may affect the absorption of certain nutrients. This medication is unlikely to pass into breast milk, but it may affect the absorption of certain nutrients. Consult your doctor before breast-feeding.
Our Questran (cholestyramine) Drug Center provides a comprehensive view of available drug information as well as related drugs, user reviews, supplements, and diseases and conditions articles.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
1) QUESTRAN (Cholestyramine for Oral Suspension USP), is indicated as adjunctive therapy to diet for the reduction of elevated serum cholesterol in patients with primary hypercholes-terolemia (elevated low density lipoprotein [LDL] cholesterol) who do not respond adequately to diet. QUESTRAN (cholestyramine) may be useful to lower LDL cholesterol in patients who also have hyper-triglyceridemia, but it is not indicated where hypertriglyceridemia is the abnormality of most concern.
Therapy with lipid-altering agents should be a component of multiple risk factor int...
Read the complete drug monograph for Questran »
Drug Description - Indications & Dosage - Side Effects & Drug Interactions - Warnings & Precautions - Contraindications - Medication Guide and More
What is Patient information?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have a serious side effect such as:
Less serious side effects may include:
Read the complete patient information for Questran »
Possible Side Effects - Images - What Is - How Should I Take It - What If I Miss a Dose - What Should I Avoid and More
What is Consumer information?
A concise overview of the drug for the patient or caregiver from First DataBank.
In addition to a proper diet (such as a low-cholesterol/low-fat diet), other lifestyle changes that may help this medication work better include exercising, losing weight if overweight, and stopping smoking. Consult your doctor for more details.
Cholestyramine may also be used to treat itching in people with too much bile acid caused by a certain type of liver/bile duct disease (partial biliary obstruction).
This medication is k...
Read the complete consumer information for Questran »
Warnings - Uses - How to Use - Side Effects - Precautions - Drug Interactions and More
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Tips to keep it under control.