PainMaster Drug-Free Pain Relief PatchInstant pain relief ##highlights## Drug free pain relief Uses microcurrent therapy Aids self healing Enhances circulation Targets the source of your pain Easy to wear ##think## PainMaster can be used to help the systems of arthritis, fibromyalgia, sciatica, lower and upper back pain, migraine headaches, runners knee, carpal tunnel syndrome, muscle spasm, tendonitis, acute pain from injury, Sports injury, bursitis, swelling and inflammation, hip pain,