Background: Children with allergic symptoms tend to have behavioral or emotional problems. However, previous studies on this association did not control for factors such as parenting stress, demographic characteristics, or allergy presentation. This study aimed to investigate the relationship between childhood allergic symptoms and behavioral problems, adjusted for confounders such as demographic characteristics, parenting stress, and allergy-related variables. Methods: We conducted an online cross-sectional survey among caregivers of children aged 2-6 years (n=633). The Strengths and Difficulties Questionnaire (SDQ) score was used as the primary measure of children’s behavioral characteristics. Data on history of wheezing, eczema, and rhinitis were collected from the children’s caregivers, using a standardized questionnaire, based on the International Study of Asthma and Allergies in Childhood. Associations were estimated using logistic regression analyses with propensity score to adjust for confounding factors. Results: Univariate analyses showed that history of wheezing was associated with conduct problems, a behavioral component of the SDQ. History of eczema was also associated with hyperactivity. Furthermore, nose symptoms were associated with conduct and emotional problems. After adjusting for potential confounders, history of wheezing (adjusted odds ratio [OR]=1.69, 95% confidence interval [CI]: 1.04-2.75) and nose symptoms (adjusted OR=1.56, 95% CI: 1.05-2.34) remained associated with increased risk of conduct problems. Conclusions: This study revealed that history of wheezing and rhinitis in children are associated with increased risk of behavioral problems, in particular, that of conduct problems. This evidence may inform future research into childhood allergy symptoms and their behavioral problems.