Characterization of dengue cases in a family medicine unit in Mexico

The objective of this study was to describe the epidemiological and clinical characteristics of dengue cases treated at a family medicine unit in Guerrero, Mexico. A case series was conducted, including patients diagnosed with dengue between January and December 2023. Of a total of 596 cases, 91.8% presented with dengue without warning signs, 8.1% with warning signs, and 0.2% with severe dengue. Hospitalization was required for 2.7% of patients, and the case fatality rate was 0.2%. The most frequent symptoms were fever (98.2%), headache (79.7%), and myalgia (75.3%). Dengue serology was performed in 28.1% of cases, with a positivity rate of 37%. The clinical findings support its usefulness for timely diagnosis and therapeutic decision-making based on the severity of the illness; they also highlight the importance of early identification of warning signs by the population.