Tip - Can I do anything to stop postnasal drip when I have a cold? - Ask Doctor K

Postnasal drip is discharge from your nose and sinuses that drips down the back of your throat. If it were coming out through your nostrils, you'd call it a "runny nose." Following colds, the discharge typically is thin and white. If you get a sinus infection, the discharge can be thick and colored yellow, brown or green.
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