An undergarment for the treatment of Fibromyalgia is provided. The undergarment is shaped to be worn about the torso of a patient and the undergarment includes a plurality of electrical heating elements secured to the undergarment, each of the plurality of electrical heating elements positioned at a location substantially coincident with a Fibromyalgia trigger point of the patient. The use of the undergarment allows the patient to be active while continually receiving therapeutic treatment for the discomfort caused by Fibromyalgia.