Evaluation of iontophoresis and local corticosteroid injection in the treatment of carpal tunnel syndrome.

Objective: The aim of this study was to compare the efficacy of local corticosteroid injection with iontophoresis of corticosteroids in the treatment of carpal tunnel syndrome.

Design: This study was a prospective, randomized, unblinded clinical trial with follow-up at 2 and 8 wks. Thirty patients (48 median nerves) with clinical and electrophysiologic evidence of carpal tunnel syndrome were included in the study.