In this Article

• What is cholestyramine (Questran)?
• What are the possible side effects of cholestyramine (Questran)?
• What is the most important information I should know about cholestyramine (Questran)?
• What should I discuss with my healthcare provider before taking cholestyramine (Questran)?
• How should I take cholestyramine (Questran)?
• What happens if I miss a dose (Questran)?
• What happens if I overdose (Questran)?
• What should I avoid while taking cholestyramine (Questran)?
• What other drugs will affect cholestyramine (Questran)?
• Where can I get more information?

What should I discuss with my healthcare provider before taking cholestyramine (Questran)?

You should not take this medication if you are allergic to cholestyramine, or if you have a blockage in your stomach or intestines.

Before taking this medication, tell your doctor if you are allergic to any drugs, or if you have:

• a thyroid disorder;
• diabetes,
• kidney disease,
• liver disease, or
• chronic constipation.

If you have any of these conditions, you may need a dose adjustment or special tests to safely take cholestyramine.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

Taking cholestyramine can make it harder for your body to absorb certain vitamins your body needs while you are nursing a baby. Do not take cholestyramine without telling your doctor if you are breast-feeding.

This medication may contain phenylalanine. Talk to your doctor before using cholestyramine if you have phenylketonuria (PKU).

How should I take cholestyramine (Questran)?

Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts or for longer than recommended by your doctor. Follow the directions on your prescription label.

Cholestyramine is sometimes taken up to 6 times per day. Follow your doctor's instructions.

Take cholestyramine with meals unless your doctor tells you otherwise.

Mix the cholestyramine powder with 2 to 6 ounces of water or other non-carbonated beverage. You may also mix the powder with a brothy soup, crushed pineapple, or applesauce. Measure the powder using the scoop provided with your medication. Do not use any other scoop or measuring cup to measure your cholestyramine dose.

Drink extra fluids to prevent constipation while you are taking cholestyramine.

It is important to take cholestyramine regularly to get the most benefit.

Cholestyramine is only part of a complete program of treatment that may also include diet, exercise, and weight control. Follow your diet, medication, and exercise routines very closely.

To be sure this medication is helping your condition, your blood may need to be tested on a regular basis. Do not miss any scheduled appointments.

Store cholestyramine at room temperature away from moisture and heat.