In some animal studies, cholestyramine was found to cause tumors. It is not known whether cholestyramine causes tumors.
Along with its needing effects, a drug may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your family doctor immediately if any of the following side effects was happen
Rare
Black, tarry stools; stomach pain - severe with nausea and vomiting
Check with your family doctor as soon as possible if any of the following side effects was happen
More common
Constipation
Rare
Loss of weight - sudden
Other side effects may occur that usually don't needed medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:
More common
Heartburn or indigestion; nausea or vomiting; stomach pain
Less common
Belching; bloating; diarrhea; dizziness; headache
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.