You have partially recovered from the upper respiratory tract
infection. Also, it appears that you are having
infection of the external
ear (Otitis externa) or left TMJ problems. Try taking muclolytics (such as bromhexine/ambroxyl), pain relievers (such as Ibuprofen/diclofenac), saline nasal drops, steam inhalation, drink plenty of warm water and avoid chewing on the left side. Consult your doctor for the detailed examination and further management.