[Risks of drug-nutrient interaction for the elderly in long-term care institutions].

This study was aimed at verifying the risks of drug-nutrient interactions in the elderly residents of a long-term care institution. Descriptive study of quantitative approach, performed in 73 elderly people. Data collection occurred in 2008 through analysis of medical records, diet history and evaluation of the BMI. Data evidenced that the drugs more frequently used were the ones for nervous and cardiovascular systems, totaling approximately 66% of the prescriptions; among the 375 drugs prescribed 166 make some type of interaction, 32.0% reduce the effect of drug absorption when there is use with caffeine and 14.3% reduce the B12 vitamin absorption. Taking several drugs of continuous use may cause damage to the absorption of nutrients. The action of the health team becomes vital, through careful evaluation of the administered drugs, diet and interaction between them, to benefit the elderly with a better use of the therapeutics and improvement of the nutritional conditions.