Care must be taken during long treatment periods to avoid the incidence of irritation under the pad site. While such irritation is rare (approximately 1.6%), it can occur with sensitive patients or improper use of the electrodes. The incidence of skin irritation under the electrodes

can be reduced by washing and drying the electrode site before treatment. Firm electrode contact with the skin over the entire electrode surface is very important. If the electrode is not secure, intermittent stimulation may occur, which might be uncomfortable to the patient and could result in irritation. Trim any excess body hair which could interfere with smooth electrode contact with the skin.