5 Cures and Natural Remedies for Postnasal Drip

Rock Salt. Salt has natural occurring antimicrobial properties. Gargling with warm salt water can be highly effective in relieving the symptoms of postnasal drip. It can soothe a sore throat, thin mucus secretions and help the body flush irritants out of the nasal passages. Add one teaspoon of salt to warm water, dissolve and gargle. This can be repeated up to three times a day.