Nasal congestion and breathing problem.

Sir, From last 4 years i am suffering from a problem in every march month. I am feeling in every March month my one side of nose is get blocked at a time whether night or day. And then i feel breathing problem specially at night time i.e lack of breathe. Last two year i was consult to docter and they prescribed me the medicine and inhaler. And after medicine and inhaler i feel perfect and no problem is rise again through out the next march. So i don't understand what is it. one docter said to me that you have aasthama and second one says your breathing tube is in swelling. Kindly suggest me what i do to cure this problem. And suggest me also whether i go to homeopathy or English medicine or another one remedies. Thank you.