High Tone Power Therapy Versus Transcutanuoselectrical Nerve Stimulation on Polyneuropathic Pain in Diabetic Patients

patients will be assigned into 2 groups with pre and post treatment protocol application. all patients will be thoroughly evaluated before and after treatment protocol application.

These patients will receive TENS with applied frequencies range from 2 to 120 Hz. for 3 times per week for 30 minutes every session during 3 months of intervention in addition to medications.