Postnasal drip/GERD: The problem you are having has several possibilities depending on how long after eating this occurs, position you are in, and the color/consistency of the phlegm. Food increases acid reflux which with/or without diabetes can lead to the pipe from mouth to stomach getting scarred and uncoordinated which can lead to your problem. Do not lay down after eating, eat small portions, bland food. See md.
Answered 1/22/2018
4.6k views
Bronchitis: Coughing up phlegm could be due to sinusitis or bronchitis or both. A full history and physical ex by a doc can help get to the bottom of this. Good luck!
Answered 7/12/2016
4.6k views
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