Hello dear, 1. Montina-ldt (pharmacologically Montelukast and Levocetrizine) is an anti-allergic preparation. Cough expectorant syrup can be added for symptomatic relief. 2. S-ppi40 (pharmacologically Esomeprazole) prevent acid formation in stomach. In addition you need a Domperidone preparations, which strengthens the esophageal sphincter & prevents acid reflux. 3. Prelid 8mg (pharmacologically Methylprednisolone) is a cortico-steroid which takes care of the inflammatory process in the respiratory tract. 4. Seroflo rotocaps (pharmacologically Salmeterol + Fluticasone) provides symptomatic relief by causing broncho-dilation (dilating the smaller airway passages, relieving the obstruction & increasing airflow to lungs). So, you can use it during an acute attack. So, kindly take the medications as advised by your treating Doctor. Wishing a good health. Take care.