It can be due to eustechian tube blockage means it can be otitis media with effusion.do valsalva maneuver.take air in mouth like baloon blowing and block nose.hold air for five second then release.do 20 times every day morning and evening.do steam inhalation. Do pure tone audiometry and tympanometry test. Use xylometazoline nasal drop three times a day two drops each nostril for one week.for thorat you have to take propton pump inhibitor type medication and anti anxiety medication. Do some relaxation. Stop taking milk product leafy vegetables and bread tea coffee for three months as fiber rich food cause indigestion and triggered LPRD.