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The class of medications that includes drugs which can dangerously interact with tyramine-rich foods is MAO inhibitors. These medications work by inhibiting the enzyme monoamine oxidase, which is responsible for breaking down tyramine in the body. Tyramine is found in certain foods, such as aged cheeses, cured meats, and fermented products. When a person taking MAO inhibitors consumes these tyramine-rich foods, it can lead to excessive release of norepinephrine, resulting in a hypertensive crisis—a sudden and severe increase in blood pressure that can be life-threatening.

While antidepressants, antipsychotics, and anxiolytics are important medication classes for treating various mental health conditions, their interactions with tyramine are not as critical and known as those related to MAO inhibitors. Thus, it is specifically the MAO inhibitors that require strict dietary restrictions concerning tyramine intake to prevent dangerous interactions.