thee may have been sinus infection and as the inus is mild infective there is reactive lymph node swelling leading to preauricular swelling and as infection increases there is post nasal drip causing throat pain and infection take metronidazole 200 mg bd for 6-7 days as they clear sinuses very fast add antiallergic tab bd to decrease pnd mucus from sinuses add anacid bd apply neomycin h ointment in nose d sea water 2 dropsin each nose night it clears throat and associated organs analgesic tab sos continue 3 wk lymph node swllin will o slowly