Post nasal: Frequent postnasal drip is often caused by excessive dryness created by air conditioning in the summer and dry heat during winter. You may need more humidity in your home or workplace. Chronic paranasal sinus infection, smoking and certain medications like antihistamines are other possibilities but probably not likely in your case.
Answered 9/17/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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