The idea of "chemical imbalance" is a myth.
The myth of the chemical imbalance.
The myth of the chemical imbalance. [1] Click link in citation to download article.
"Psychiatric drugs have often been prescribed to patients on the basis that they cure a ‘chemical imbalance’. However, no chemical imbalances have been proven to exist in relation to any mental health disorder. There is also no method available to test for the presence or absence of these chemical imbalances."