what is an mao inhibitor drug
MAOIs (monoamine oxidase inhibitors) are a class of medications used to treat depression. They were first introduced in the 1950s as the first class of drugs designed for depression.Today, they are less popular than other medications, but some people benefit from their use.AOIs carry more side effects than other antidepressants, which is why they are often the last drug prescribed to treat depression. Some side effects of MAOIs include: 1  fatigue. 2  muscle aches.