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Printable Version Welchol

Active Ingredients: Colesevelam
Other Names: Welchol
Drug Class: Bile Acid Resins
Rx Status: Available by prescription only
Generic Available: No
Product Images & Descriptions:

What is/are Welchol?
What should I tell my health care providers before I take this medicine?
How should I use this medicine?
What if I miss a dose?
What may interact with this medicine?
What side effects may I notice from this medicine?
What should I watch for while using this medicine?
Where should I keep this medicine?

What is/are Welchol? (Back to top)
COLESEVELAM is used to lower cholesterol in patients who are at risk of heart disease or stroke. This medicine is only for patients whose cholesterol level is not controlled by diet. It is also used in combination with diet and exercise to help lower blood sugar in adults with type 2 diabetes. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.


What should I tell my health care providers before I take this medicine? (Back to top)
They need to know if you have any of these conditions:

  • constipation or bowel obstruction
  • high triglyceride levels
  • history of pancreatitis caused by high triglyceride levels
  • an unusual or allergic reaction to colesevelam, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine? (Back to top)
Take this medicine by mouth with at least 4 ounces (half a glass) of water. Follow the directions on the prescription label. Take with food. Take your medicine at regular intervals. Do not take it more often than directed. Do not stop taking except on your doctor's advice.

Talk to your pediatrician regarding the use of this medicine in children. This medicine is not approved for use in children.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

Note: This medicine is only for you. Do not share this medicine with others.


What if I miss a dose? (Back to top)
If you miss a dose, take it as soon as you can with your next meal. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.


What may interact with this medicine? (Back to top)

  • birth control pills
  • insulin
  • medicines for diabetes like glimepiride, glipizide, and glyburide
  • medicines for seizures like carbamazepine, phenobarbital, phenytoin
  • thyroid hormones
  • verapamil
  • vitamins
  • warfarin

This list may not describe all possible interactions. Give your health care providers a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.


What side effects may I notice from this medicine? (Back to top)
Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • bloody or black, tarry stools
  • breathing problems
  • muscle pain
  • nausea, vomiting
  • severe stomach pain

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
  • heartburn or indigestion
  • stomach upset

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


What should I watch for while using this medicine? (Back to top)
Visit your doctor or health care professional for regular checks on your progress. Your blood sugar and other tests will be measured regularly.

This medicine is only part of a total cholesterol or blood sugar-lowering program. Your health care professional or dietician can suggest a low-cholesterol and low-fat diet that will reduce your risk of getting heart and blood vessel disease. Avoid alcohol and smoking, and keep a proper exercise schedule.

To reduce the chance of getting constipated, drink plenty of water and increase the amount of fiber in your diet. Ask your doctor or health care professional for advice if you are constipated.

If you are taking this medicine for diabetes, wear a medical ID bracelet or chain, and carry a card that describes your disease and details of your medicine and dosage times.


Where should I keep this medicine? (Back to top)
Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from moisture. Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.


Last Updated:January 25, 2008

COPYRIGHT© Gold Standard, An Elsevier Company


Note: The above information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist, or other healthcare professional. It should not be construed to indicate that the use of the product is safe, appropriate, or effective for you. Consult your healthcare professional before taking the product.

  Additional Information

  Check Drug Interactions with Welchol

 Compare Welchol to similar drugs

  Learn how Welchol is/are used to treat:
  • High Cholesterol

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