The use of analgesics and risk of self-medication in an urban population sample: cross-sectional study
Uso de analgésicos e o risco da automedicação em amostra de população urbana: estudo transversal
Guilherme Antonio Moreira de Barros, Marco A. Marchetti Calonego, Rannier F. Mendes, Raphael A.M. Castro, João F.G. Faria, Stella A. Trivellato, Rodney S. Cavalcante, Fernanda B. Fukushima, Adriano Dias
Abstract
Background and objectives
There are few data in the literature characterizing the pattern of analgesic use in Latin American countries, including Brazil. Little is known about the undertreatment of pain and its influence on the habit of self-medication with analgesics. The aim of this study is to define the pattern of analgesic use among chronic pain patients and its potential association with self-medication with analgesics.
Method
Cross-sectional observational study with an urban population sample. Chronic pain was defined as a pain lasting for at least 90 days. The study was approved by the Research Ethics Committee of the institution.
Results
416 subjects were included; 45.7 % (n = 190) had chronic pain, with females (72.3 %; p = 0.04) being the most affected. Self-medication with analgesics is practiced by 78.4% of patients with chronic pain. The most common current analgesic treatment consists of non-steroidal anti-inflammatory drugs (dipyrone and acetaminophen). Weak opioids are rarely used and only 2.6% of subjects with chronic pain were taking these analgesics. None of the subjects were taking potent opioids.
Conclusions
The practice of self-medication with analgesics is frequent among patients with chronic pain, which may be due to the underprescription of more potent analgesics, such as opioids. It can also be said that, given the data presented, there is no crisis of recreational opioid use in the studied population.
Keywords
Resumo
Justificativa e objetivos
Há poucos dados na literatura que caracterizam o padrão de uso de analgésicos na América Latina e no Brasil. Também se sabe pouco sobre o subtratamento da dor e sua influência no hábito de automedicação analgésica. O objetivo desta pesquisa é definir o padrão de uso de analgésicos entre os portadores de dor crônica (DC) e a sua potencial associação à automedicação analgésica.
Método
Estudo observacional transversal com amostra de população urbana. A dor crônica foi definida como aquela presente por pelo menos 90 dias. A pesquisa foi aprovada pelo Comitê de Ética em Pesquisa institucional.
Resultados
Foram incluídos 416 indivíduos; 45,7% (n = 190) portadores de dor crônica, sendo os do sexo feminino (72,3%; p = 0,04) os mais acometidos. A automedicação analgésica é praticada por 78,4% dos portadores de dor crônica. O tratamento analgésico vigente mais frequente é composto pelos anti-inflamatórios não esteroides (AINES), dipirona e paracetamol. Os opioides fracos são pouco usados e apenas 2,6% dos indivíduos com dor crônica fazem uso desses analgésicos. Nenhum dos indivíduos estava em uso de opioides potentes.
Conclusões
A prática de automedicação analgésica é frequente entre os portadores de dor crônica, o que pode ser consequência da pouca prescrição de analgésicos mais potentes, como os opioides. Pode-se também dizer que, pelos dados apresentados, não ocorre uma crise de uso recreativo de opioides na população estudada.
Palavras-chave
References
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