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Sporadic pain in ears as well as in jaws can be due to grossly decayed or periodontially infected tooth.
Infected tooth has to be restored or extracted.Herpes
in mouth has to be treated with antiviral
Meanwhile,maintain oral hygiene
Avoid spicy foods.
Vitamin b complex as well as iron supplements
has to be administered.
Regarding other concerns,please do visit a GP and get a thorough clinical evaluation done.