###Human: I get allergy during specific months every year. Why? ###Assistant: Hello. You seem to be suffering from airway hyperreactivity disorder, the common colloquial term being an allergy. This occurs because your respiratory pathway is more sensitive to some day to day substances which others are able to tolerate without any problem. When such a situation occurs it can present with wheezing, breathing trouble, chest heaviness, sneezing, running nose, itching, sinus headache, disturbed sleep and day time sleepiness. One must be careful regarding seasons. If the allergy is occurring during some particular season then it must be due to some particular pollen. The substitute the pharmacist has given and the one the new doctor has given are all different. You need medicine to dilate your respiratory pathways. You need Asthalin inhaler of strength 100 mg and Seroflo inhaler of strength 250. For details regarding how to use these inhalers and how to avoid allergies in the future, you can revert back to me. But when you revert please give us details as to whether the breathlessness occurs throughout the day or only in the night, when it increases with physical exertion, whether it causes fever, headache, running nose, sneezing, etc. With the right advice, precautions, and allergy management protocol, you will be good soon.