Objective: To study the structure and prevalence of cognitive and non-cognitive mental disorders in the elderly caregivers of the patients with Alzheimer's disease (AD). Material and methods: We compared two groups of people: 59 caregivers living with AD patients who were not their blood relatives (group 1) and 20 first-degree relatives of AD patients who lived separately and were not caregivers (group 2). Results: In group 1, the frequency of depression was 35,2% and in group 20,0% (p<0,05). Behavioral and psychotic disorders in the patient, in particular, excitement, anxiety, sleep disorders, irritability and apathy, were risk factors of depression in caregivers. Mild cognitive impairment was identified in 16% in group 1 and in 10% in group 2 (p<0,05). Conclusion: Caregiving to the patient with AD is a risk factor for depression disorders in the old age. People who are at risk need special medical, social and psychological care.