Abstract
Since a population perspective, cow's milk protein allergy (CMPA) and lactose intolerance (LI) have rarely been analyzed in Mexico. The aim of this study was to determine the prevalence of CMPA and LI in a sample of late adolescents. Through a population-based study, data corresponding to 1992 students aged 15 to 18 years were analyzed. Overall, the prevalence of APLV was 1.4% (95% CI: 0.9% to 2.0%) and the prevalence of IL was 0.5% (95% CI: 0.2% to 0.8%). Adolescents with APLV had fewer gastrointestinal symptoms (p 0.036), but more skin (p < 0.001) and respiratory (p 0.028) ailments than adolescents with IL. In summary, the manifestations associated with cow's milk consumption in late adolescents seem to correspond mainly to APLV than to IL.
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