Thanks for your query, albeit small and specific.
The pain in the ear and the same side of the face and the scalp/head is definitely suggestive of an ear infection.
This can be diagnosed by a careful clinical evaluation by an ENT Surgeon as he will examine the ears, nose and throat as well as the oral cavity along with tooth.
A course of an antibiotic and anti-inflammatory medicines should help you.
Remember to get your blood sugar checked as this can be the first presentation of diabetes.
I hope this answer helps you.
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