2 possibilitres: At night in a supine position, you may have significant post-nasal drainage from your nose or sinuses (rule out allergy). A second possibility is gerd. That is, reflux of acid from the stomach, so called LPR (laryngeal-pharyngeal reflux. The reflux of acid can go from the upper esophagus into the throat and cause your symptoms. See and ENT doctor.
Answered 9/26/2018
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A doctor has provided 1 answer
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