Ruling out the following will help- a Peritonsillar abscess. Infectious Mononucleosis or Epstien Barr Virus(EBV) infection. Strep sore throat infection. Chronic Allergy which may be secondary to drugs/environment/animal dander/pollen/smoke/food allergy/milk allergy/chemical sprays /tobacco. Laryngopharyngeal Reflux disease. Very dry air /atmosphere,very cold weather.. Snoring or Sleep Apnoea may also cause such problems Chronic sinusitis.