When I wake up in the morning I feel congestion in my nose.there is so much mucus comes in the morning. Always I feel in one of my nostril there is some congestion.i want to know how daily mucus comes in the morning and why my one nostril is always congested. For sometime there is congestion in one nostril and after sometime there is congestion in other nostril ( congestion feeling getting changed from one nostril to another ) please give me your medication.