Dear Sir Hello I am Dr Sharma ENT surgeon On the basis of info provided it appears you have chronic pharyngitis with sleep apnoea syndrome and you are using CPAP for last 7 years Your qury 1 -- What type of doctor you need to go to --- Before discussing that you should know that sleep apnoea syndrome can be peripheral ot central. Peripheral sleep apnoea syndroma is also called as obstructive aleep apnoea. So you need to see a ENT surgeon to evaluate for a onstructive cause of sleep apnoea--- large tonsils, nasal polyp can cause slep apnoea syndrome Chest physician -- to evaluate the cause of obstruction disease in chest Neurologist -- To evaluate central cause of sleep apnoea Sleep medicine consultant -- usually co ordinates the role of all the specialists involved Medicine consultant -- To evaluate for obesity, hypertension, diabetes ,hypothyroidism and CHF Dietecian-- To help you in maintianing a appropriate body mass index as obesity may be one of the contibuting factor in sleep apnoea At your level I can just say if u have excessive weight you can think of a diet plan to reduce weight at least by 10% and consult sleep medcine consultnat to plan your treatment. A antiallergic, decongestant and mucolyic combination will take care of allergic pharyngitis I hope this answers your concerns. Do let me know if u need anything else in this regard Ravinder Sharma