Описание
Quetiapine's anticholinergic properties antagonize the pro-cholinergic mechanism of donepezil, potentially impairing cognitive benefits in dementia.
Механизм
Donepezil inhibits acetylcholinesterase to increase synaptic acetylcholine; quetiapine's muscarinic receptor blockade directly opposes this effect, reducing cholinergic neurotransmission.
Клиническое значение
Pharmacodynamic antagonism may impair the cognitive benefits of donepezil; additionally, sedation and delirium risk increase.
Тактика ведения
Use with caution; prefer antipsychotics with low anticholinergic burden for behavioral symptoms in dementia; monitor cognitive status closely.
Медицинский отказ от ответственности
This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making medication decisions.