1. A medicament for prophylactic and / or therapeutic treatment of dementia of the Alzheimer type, which comprises a donepezil hydrochloride together and valproic acid or a sol.2. A medicament according to claim 1 in the form of a pharmaceutical composition comprising donepezil hydrochloride and valproic acid or a sol.3. A medicament according to claim 1, which comprises a donepezil hydrochloride together and valproic acid or a salt thereof in a form for administering donepezil hydrochloride and valproic acid or a salt thereof simultaneously, separately or posledovatelno.4. A medicament according to any one of claims. 1-3, which is used for preventive and / or therapeutic treatment of behavioral and psychological symptoms of dementia Altsgeymera.5 type. A medicament according to claim 4, which is used for preventive and / or therapeutic treatment of behavioral and psychological symptoms accompanied by problem povedeniem.6. A medicament for prolonging therapeutic period of donepezil hydrochloride effectiveness against cognitive symptoms, which comprises valproic acid or a salt thereof as an active ingredienta.7. The medicament for preventive and / or therapeutic treatment of behavioral and psychological symptoms of dementia of the Alzheimers type arising in the course of therapeutic treatment of dementia of the Alzheimer type donepezil hydrochloride, which comprises valproic acid or a salt thereof as an active ingredient.1. Лекарственное средство для профилактического и/или терапевтического лечения деменции по типу Альцгеймера, которое содержит совместно донепезила гидрохлорид и вальпроевую кислоту или ее соль.2. Лекарственное средство по п.1 в форме фармацевтической композиции, содержащей донепезила гидрохлорид и вальпроевую кислоту или ее соль.3. Лекарственное средство по п.1, которое содержит совместно донепезила гидрохлорид и вальпроевую кислоту или ее соль в форме для введения донепезила гидрохлорида и вальпроевой кислоты или ее соли одновременно, по отдельности
