Desmopressin and oxybutynin combination therapy is more effective than desmopressin monotherapy for treating children with enuresis.Please cite this paper as: Ravanshad Y, Azarfar A, Ghalegolab-Behbahan A, Mortazavi F, Ahmadzadeh S, Ghorat F, et al.Comparing the efficacy of desmopressin and oxybutynin combination therapy and desmopressin monotherapy in children with primary nocturnal enuresis; a randomized clinical trial.