Which food should a client taking tranylcypromine sulfate avoid?

Tranylcypromine sulfate is a type of monoamine oxidase inhibitor (MAOI), which is used primarily to treat depression. Patients on MAOIs need to follow specific dietary restrictions to avoid serious interactions that can lead to hypertensive crises. Foods that contain high levels of tyramine, an amino acid that can increase blood pressure when ingested in significant amounts, should be avoided.

Pickled herring is fermented and typically contains high levels of tyramine due to the fermentation process. Consuming pickled herring while taking tranylcypromine can lead to dangerously elevated blood pressure, thus highlighting the importance of avoiding this food.

In contrast, apples, yogurt, and baked haddock do not contain significant amounts of tyramine, making them safer food choices for someone on tranylcypromine sulfate. Therefore, avoiding pickled herring is essential for maintaining safety and preventing complications during treatment with this medication.