👉 Neuroleptoanalgesia is a medical condition that occurs when a person's brain starts to produce chemicals called neurotransmitters, which can cause pain. This can be due to physical injuries or diseases, as well as certain medications used for conditions like bipolar disorder. The exact mechanism by which neuroleptoanalgesia happens varies between different individuals and conditions, but it typically involves the release of chemicals from a nerve cell in the brain that are responsible for transmitting signals to the body's pain receptors