abstract |
The present invention relates to a medicinal composition administered orally to inhibit or treat allergic rhinitis or asthma, and comprise: (a) a first particle fraction comprising levocetirizine or a pharmaceutically acceptable salt thereof and an organic acid, and (b) a second particle fraction comprising montelukast or its salt Medically acceptable. The pharmacological composition according to the present invention includes an organic acid as a stabilizing agent which can effectively inhibit the compound of the substances related to levocetirizine and montelukast. Thus, this compound shows good stability. |