Other causes are Chronic fatigue syndrome, Dermatomyositis,
Diabetic ketoacidosis, African sickness, Amyotrophic lateral sclerosis, Eclampsia, Hypopituitarism , Hypothyroidism and many others. Please consult another physician for examination , investigations and diagnosis. A detailed history is required to understand the nature, frequency, location, intensity and severity of pain which is a must for diagnosis. Please go for a full body scan and consult a pain specialist or neurologist.