Hello,you mention that you take Alefix total drug that helpful to remove cough from aiway. Alefix total prevent cough to stuck in airway. It lubricant the cough so high can easily come out. This drug it self produce more lubricant mucus. So cough come out easily from airway.No airway blockage occure. You coplain that there is some amount of allergy precent.In blood count eosinogil count high that indicate allergy. Allergic reaction most common side effect of this drug. You have to take more water. Avoid spicy and oily food. Inform your doctor about your allergic reaction.so it can replace by other drugs. I hope my answer help you. Thanks.