Certified Addictions Registered Nurse (CARN) Exam Practice Guide 2026 – Your Comprehensive Resource for Certification Success!

Tranylcypromine is an MAO inhibitor used primarily in the treatment of depression. One of the critical interactions that healthcare providers must monitor is the potential for hypertensive crises when the patient consumes foods high in tyramine. Tyramine is an amino acid that can elevate blood pressure when it accumulates and is not adequately broken down due to the inhibition of the monoamine oxidase (MAO) enzyme.

Ingesting foods rich in tyramine, such as aged cheeses, cured meats, soy products, and certain fermented foods, while taking tranylcypromine can lead to dangerously high blood pressure, resulting in a hypertensive emergency. This risk underscores the importance of dietary restrictions and patient education for those on this medication. Understanding the relationship between monamines, such as tyramine and the impact of MAO inhibition, is crucial for safe medication management in patients receiving tranylcypromine.