LOPES, Helena Luísa; PEREIRA, João Brites    CARVALHO, Manuela R.. What patients know about antibiotics: a cross-sectional study in two Family Health Units. []. , 31, 4, pp.248-254. ISSN 2182-5173.

Objectives: To assess patient knowledge about antibiotic use in two Family Health Units (FHU). Type of study: Cross-sectional study. Setting: FHU das Conchas and Ars Médica. Participants: Registered patients in the FHU das Conchas and Ars Médica 18 years of age or older. Methods: An anonymous questionnaire was administered to a sample of 380 patients. We collected data on age, gender, education, nationality, children under 18 years, knowledge about the use of antibiotics, and their use without prescription. Results: Most subjects were female (68.95%), had at least 12 years of education, and were Portuguese. The average age was 46 years. Less than half had children under the age of 18 (42.37%). The majority (65.26%) responded that antibiotics are not intended to treat cough, body aches, sore throat and ‘runny nose' with a duration of five days, and 63.42% responded that antibiotics are used to treat infections caused by bacteria. Less than half (48.98%) reported that antibiotics do not help to recover faster from a cold or flu. The majority (67.89%) identified the use of antibiotics as a cause of resistant infections. However, 17.11% had taken antibiotics without a prescription. There was a weak positive correlation between education and the number of correct responses (r_s=0.328)). Patients who did not self-medicate had higher knowledge scores (Mann-Whitney p=0.002). Conclusion: These patients demonstrated greater knowledge of antibiotic use compared to previous findings in the Portuguese literature. This may be due to the high level of education in the sample. The prevalence of self-medication was similar to that previously reported in the literature. This study has improved our perception of our patients' knowledge of antibiotic use, and has drawn attention to the problem of self-medication.

: Antibiotics; Knowledge; Patients.

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