LEVOMONT Tablets are contraindicated in patients with known hypersensitivity to Montelukast-levocetirizine, to other piperazine derivatives, or no to any of the excipients. Patients with rare hereditary problems of galactose intolerance, the Lapp lactase deficiency or glucose-galactose malabsorption should not take this medicine and also contraindicated in patients with severe renal impairment at less than 10 mL/min creatinine clearance.