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.
Precautions and Warnings With Zileuton CR: Final Thoughts
There are several situations in which zileuton CR should not be taken, along with a number of precautions and warnings people should be aware of before taking the medication. However, it is possible that not all of the warnings or precautions for zileuton CR were discussed in this article. Therefore, you should talk with your healthcare provider about the zileuton CR warnings or precautions that may apply to you.