What is a Chemical Imbalance?

Chemical imbalance is used to describe a type of depression that is thought to result at least in part from deficiencies in certain brain chemicals, called neurotransmitters. These certain anxiety disorders as well as bipolar disorder and schizophrenia also involve disturbances of normal brain chemistry. Serotonin or dopamine play a role in mood regulation.

Antidepressants and other medications work by restoring normal levels of these brain chemicals. There are no currently useful laboratory tests for such imbalances. Evidence for the chemical imbalance theory comes from research. In ordinary clinical practice the diagnosis of a “chemical imbalance” is made from the patient’s history and symptoms and from his response to treatment.

Categories : Psychiatry

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