Study of the use of medicine in elderly living in a city in the South of Santa Catarina (Brazil): a look at the polymedication

The objective was to evaluate the use of medicines in the elderly population living in a city in the South of Santa Catarina state. It was carried out a transverse study where 104 patients distributed in five Family Health Program covering area were interviewed. 68.3% of the interviewed people were women, 78.8% aged between 60 and 79 years old and most of them with low schooling. The number of medicines in use was 3.5 (DP=2.58) per elderly and the number of daily rate doses were 5.4 (DP=4.78). 64.4% of the elderly people reported to have used the health services two times or more last year. It was observed that 51.9% of the elderly were classified as smaller polymedication and 28.8% as larger polymedication. The classes of medicines that contributed the most to the polymedication were the ones acting in the cardiovascular and nervous system, eating treatment and metabolism mainly used for hypertension, heart and circulatory problems, diabetes, insomnia and depression. It was verified that 16.5% of the elderly people presented risk of having drug-related problems. It was identified the association between the polymedication and the gender, schooling and the frequency they searched for health services. It was noticed that in this population the polymedication may be related to the elderly profile.