Hello, Cosult an ENT specialist, it may be allergic. Plenty of lukewarm warm liquids, citrus fruits loke nimupani in luckwarm water, mosambi juice, kiwi, gooseberry are benificial.tab montuk lc one at night for fifteen to twenty days. It's due to lack of IMMUNITY. To increase immunity  tab SEPTILLIN two times a day after food for two months. Healthy diet. Plenty of liquids.are the way to increase immunty. ADVISE X-RAY FACE PNS VIEW DIGITAL.ok.