Pain nearby ear area on one side. Xr?

Iam currently on venice xr 37.5 on morning and 37.5 on after lunch . After using venice xr i have a persistent chillness like feeling and  trigger( may be) sinusitis like problem with post nasal drip of clear mucus . I have a history of sinusitis with recurrent throat infection in past but after taking Venice xr the sinusitis is persistent but mild . From two weeks I have pain in the bone front of my right ear and small bones or nerves below ears . Whenever I touched or open my mouth or yawning i have pain on the joint , or nearby areas of ear . Mind issues are improved with venice xr . Considering the above situation do I need to stop or change my medicine (any relation with Venice xr for inducing the above mentioned problems)? I consulted an ent doctor for the pain in my nearby ear area doctor prescribed azithromycin , cetrizine and pantop for 5 days ?Also  Any problem or interactions taking azithromycin with Venice xr ?