A 62 year female complaining of right ear discharge since 4 months with on and off ear pain

A 62 year female complaining of right ear discharge since 4 months with on and off ear pain!

What are the Other history to be asked???

Differential Diagnosis???

Management??

Thank you

History-Diabetic? Any other long term medications?

DD-Malignant otitis externa. . EAC polyp, Furunculosis.

Management- Glycerin MgSo4 dressing, with broad spectrum IV antibiotics (pus c/s and change to specific antibiotics) and analgesics .

Optimise blood sugars