Are allergic to zileuton, Zyflo, or any inactive components used to make the medication. Your healthcare provider or pharmacist has a list of the inactive ingredients.
Have high liver enzymes (found using a blood test), which is a sign of liver damage.
Precautions and Warnings With Zileuton: Final Thoughts
There are a number of situations in which zileuton should not be taken, as well as several precautions and warnings people should be aware of before taking the medication. However, it is possible that not all of the warnings or precautions were discussed in this article. Therefore, you should talk with your healthcare provider about the specific precautions and warnings with zileuton that may apply to you.