i think you have infected sinuses as in sinuse infection the post nasal drip falls in throat blocking the tubes ausing fluid in middle ear leading to pain and if you neglect there are muffling of ear sounds i think clear this episodeand get xray pns waters view to get confirmation and treatment permanently to prevent recurences at this time ake metronidazole 20 mg bd for 10 days as it clears the sinuses fast add antiallergic bd to decreasethe mucus secretion of sinuses antacid tds aply neomycin h ointment in nose bd e water 2 drops at night in each nose it may drain fluid from eustachian tubes analgesic sos for pain tab flunarazine 5mg night for decreasing tinnitus effect can continue 3 week till you diagnose and treat accordingly