Ginger. Ginger has many anti-bacterial and anti-inflammatory properties. It contains a compound called gingerol that is known for its anti-bacterial benefits. It can act to help loosen mucus and allow the body to more easily expel it. Ginger can also help relieve a sore throat. Tea is one way to use ginger to help with postnasal drip. Try steeping one or two inches of fresh ginger in hot water for five to 10 minutes. Add honey if desired and enjoy the beverage warm. This can be repeated three times daily.