The difference between montelukast sodium special tablets and chewable tablets is indication, expiration date and properties. Both belong to the leukotriene receptor antagonist is a non-hormonal anti-inflammatory drug, is through the inhibition of cysteinyl leukotriene receptors in the respiratory tract to improve airway inflammation relief of asthma symptoms. 1.Indications: Montelukast sodium tablets are used for the prevention and long-term treatment of asthma patients ≥15 years of age and seasonal and chronic allergic rhinitis, Montelukast sodium chewable tablets are used for the prevention and long-term treatment of asthma patients in children 2-14 years of age and for the reduction of the symptoms of allergic rhinitis. Side effects drowsiness and rash, etc., acute attacks and maternal caution, allergy and pregnant women are prohibited. 2. Effective date: Montelukast sodium tablets are valid for 36 months, chewable tablets are valid for 24 months. 3. Characteristics: montelukast sodium tablets are light yellow film tablets, film is pink round or oval tablets. If you feel unwell, we suggest that you go to the respiratory medicine department of the regular hospital for consultation and treatment, and do not blindly take it on your own so as not to delay your condition.