Are allergic to Trilafon, perphenazine, or any of the inactive ingredients used in making perphenazine. Your healthcare provider or pharmacist has a list of the inactive ingredients.
Have a blood disorder, which may become worse with perphenazine.
Are taking medications or substances that cause significant drowsiness.
Have subcortical brain damage.
Are in a coma or a state of decreased consciousness.
Final Thoughts on Precautions and Warnings With Perphenazine
There are several situations in which perphenazine should not be taken, as well as a number of precautions and warnings people should be aware of before taking the medication. However, it is possible that not all of the precautions and warnings with perphenazine were discussed in this article. Therefore, you should talk with your healthcare provider about the specific warnings and precautions that may apply to you.