Considering the issue of recurrent apthous ulcers affecting individuals worldwide, knowledge of the significant associating triggering factor is an essential tool, which can be used to figure out the most challenging factor behind that can be further controlled or avoided in an effort to reduce the chance of re occurrence by taking proper precautions. This paper evaluates the association of recurrent apthous ulcers with stress and other possible triggering factors such as Allergy and diet, among individuals in the northern part of Nigeria, represented by 4 states which include, Kano, Zamfara, Maiduguri and Katsina states respectively. Age, occupation, gender, history of re occurrence, site of occurrence in the oral cavity, number, duration of ulcers and nature of healing were highly considered in the study. 75 structured questionnaires were distributed among individuals of both genders, out of which 71 were retrieved and 4 left unanswered. The research methodology uses both correlation and descriptive statistical analysis. Following data analysis, using correlation table, there is weak correlation between Apthous ulcer and stress with .012 covariance. The results were analyzed using SPSS 25.0 VERSION and displayed in the form of Graph and tables. In conclusion, necessary preventive measures were outlined and further research recommendation is suggested in light of creating more awareness about the effects and importance of prevention to be considered by the society.