It appears that you have tried all of the home remedies and after this long you will need to see your primary care provider for an examination.
You could possibly have:
1 - Viral infection
2- Ear infection
3 - Trigeminal Neuralgia - but this does not usually cause the body aches and decreased appetite.
3 - Migraine headache
I wish you the best!
Migraines can include body aches but it is not real common.
You really need to see what the sharp pain is about in your ears. It is quite possible it would be associated with TMJ or Trigeminal neuralgia.