I was able to be seen by Dr.Gerald Maguire, THE expert but many psychiatrists can prescribe these medications. Many times it's trial and error to find the one you’ll respond to. He told me about neurotransmitters. There are different responses in different regions of the brain. He told me sometimes it's a matter of too much or too little. It depends on the individual. Good luck finding a qualified psychiatrist. If you live in the US, you stand a good chance.