Adverse effects of psychoactive drugs

symptoms caused by an excess of serotonin in the central nervous system

Dystonia is a neurological hyperkinetic movement disorder in which sustained or repetitive muscle contractions occur involuntarily, resulting in twisting and repetitive movements or abnormal fixed postures. The movements may resemble a tremor. Dystonia is often intensified or exacerbated by physical activity, and symptoms may progress into adjacent muscles.

set of symptoms that can occur after a reduction in alcohol use after excessive use

nervous system disease that is characterized by hyperthermia, muscular rigidity, autonomic dysfunction and altered consciousness and is associated with administration of antipsychotic and other central dopaminergic blockers

signs and symptoms due to benzodiazepines discontinuation in physically dependent persons

opiate withdrawal syndrome