Lungs Home > Precautions and Warnings With Zileuton CR
Who Should Not Take Zileuton CR?You should not take zileuton CR if you:
- Are allergic to Zyflo CR, zileuton CR, or any of the inactive components used to make zileuton CR. Your healthcare provider or pharmacist has a list of the inactive ingredients used to make zileuton CR.
- Have high liver enzymes (found using a blood test), which is a sign of liver damage.
- Have liver disease.