Herpes zoster (shingles) is a viral disease, characterized by painful skin eruptions and neuropathic sensory symptoms. Motor involvement and brachial plexus involvement in herpes zoster are very rare conditions. Together with antiviral medication and pain therapy, palliative and supportive modalities take an important role in the treatment of herpes zoster. It is well documented in previous reports that oral or intravenous steroid administrations may be additive in management. In this case report, positive effects of direct steroid injection onto the brachial plexus via ultrasonography guidance in a patient with motor weakness due to herpes zoster involvement of brachial plexus is presented.