Final answer:
Tardive dyskinesia is one negative side effect of taking neuroleptics for a prolonged period, characterized by involuntary repetitive movements.
Step-by-step explanation:
Tardive dyskinesia is one negative side effect of taking neuroleptics for a prolonged period. Tardive dyskinesia is a neurological disorder characterized by involuntary repetitive movements, such as facial grimacing, tongue protrusion, and repetitive chewing. It can develop after months or years of taking neuroleptic medications and can be irreversible in some cases.