WARNING: There are very dangerous interactions between any MAOIs (including harmalas) and many commonly used recreational drugs and medications, including SSRI medications (such as prozac) and stimulants (such as MDMA and other amphetamines) as well as many others.
If you're taking SSRI's, do not consume MAOIs!! Do not mix stimulants with MAOIs either! Mixing stimulants or medications with MAOIs can lead to
Hypertensive Crisis,
Serotonin Syndrome, and even death. For a more complete list of pharmaceuticals and substances that should NEVER be taken when consuming harmalas, check
List 1 and
List 2.