Objective. To determine the effect of levocetirizine, montelukast and the combination of both the drugs on symptoms of allergic rhinitis. Methods. Seventy-five patients with allergic rhinitis were randomly studied prospectively for a period of two weeks divided into three groups receiving either levocetrizine or montelukast or combination of both. The outcomes were measured by a visual analogue score for nasal and eye symptom during day-time and night-time. Results. All the three regimens were equally effective in improving the day-time symptoms, like sneezing and rhinorrhea. There was also no difference in the control of night-time and eye symptoms among the regimens. Conclusions. Montelukast, levocetirizine and their combination is equally effective in controlling symptoms, of allergic rhinitis. Thus, use of montelukast alone would be cost-effective and do avoid adverse effects of levocetirizine in combination therapy