Earache is a general symptom that can have diverse causes. Most often it is caused by otitis media.
Otitis media and externa are the main causes to consider.
Visible examination and opthalmoscopy is standard.
Fantastic new books!
CAM Therapies has studies on natural therapies for over 100 diseases.
CAM Labs lists lab tests for 100 diseases.
Nutritional Genetics is a fantastic resource.