Side Effects

Drug information provided by: IBM Micromedex

In some animal studies, cholestyramine was found to cause tumors. It is not known whether cholestyramine causes tumors in humans.

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

  1. Black, tarry stools
  2. stomach pain (severe) with nausea and vomiting
More common
  1. Constipation
  1. Loss of weight (sudden)

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

  1. Heartburn or indigestion
  2. nausea or vomiting
  3. stomach pain

Less common

  1. Belching
  2. bloating
  3. diarrhea
  4. dizziness
  5. headache

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.