SillyPotato,At the top of our page there are resources that address LPR and sx. I will post the link here for you.
https://www.healingwell.com/community/default.aspx?f=45&m=1483795&g=2417844#m2417844
General rule of thumb, an ENT Physician is usually the better choice if your looking at LPR because you need a laryngoscope for the larynx and pharynx.