Easy/. Take some warm salt water and inhale in your nostrils. So just throw some salt water up in your nostril and breath in and then do the other one. Will stop the drip right away. A bit nasty but sure works.

The bioflavonoid quercetin is a natural antihistamine. It can be found in health food stores. Use the plain quercetin (500mg), NOT the QBC (quercetin, bromelain, C).

Stop eating a diet that causes mucus