4 mg: Montelukast is contraindicated in patients with hepatic impairment or cirrhosis and for patients with hypersensitivity to the active substance or to any of the excipients Mannitol, Carbosil, Microcrystalline Cellulose, Tutti frutti (doxo) and Magnesium Stearate.
5 mg & 10 mg: Montelukast is contraindicated in patients with hepatic impairment or cirrhosis.