Signs Of Early Onset Alzheimer Need Information Re: Medications That Can Be Used To Reduce Agitation & Combativeness In Alzheimer's Patients

Need information re: medications that can be used to reduce agitation & combativeness in Alzheimer's patients - signs of early onset alzheimer

My sister is 67 and has early onset Alzheimer's disease. He is now finally available in medium () and shows signs of agitation combativness +. It is a house plant, but may have to travel for that reason. Has anyone any drug that might be useful to know to calm down? Help!