subject: How to Cure Cold and Flu Naturally and Fast? [print this page] 15 It's important to blow your nose regularly when you have a cold rather than sniffling mucus back into your head. But when you blow hard, pressure can carry germ-carrying phlegm back into your ear passages, causing earache. The best way to blow your nose: Press a finger over one nostril while you blow gently to clear the other. Wash your hands after blowing your nose.
