Post nasal drip while not being sick?

I've had problems for a few months now where I've had this uncontrollable drainage in the back of my throat especially after eating and yelling. It's starting to effect my social anxiety because I'm in school and I'm worried about classes that I have to speak in after lunch time mainly. It... show more I've had problems for a few months now where I've had this uncontrollable drainage in the back of my throat especially after eating and yelling. It's starting to effect my social anxiety because I'm in school and I'm worried about classes that I have to speak in after lunch time mainly. It hasn't gone away and it's making me anxious, so could someone maybe offer me some tips that don't include just treating it with medication?
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