Inclusion Criteria:  Patients with a history of pain around the lateral epicondyle for at least 1 month; Self-reported Degree of Pain rating on the 0-100 VAS pain scale for the lateral epicondyle region is 50 or greater; Tenderness localized to the epicondyle and anterodistal region of the epicondyle with palpation; 2 of 4 positive results of provocative tests comprising of Maudsley's, Cozen's, Thomsen and Mill's tests; Aged between 18 and 50 years; Both genders; Patients fluent in Portuguese.  Exclusion Criteria:  hemophilia or any type of blood clotting disorder; chronic immune impairment neoplasia; cancer or treatment for cancer in the past 6 months, including tumors of the spinal cord; diabetes Type 1; significant heart conditions including CHF and implantable heart devices such as a pacemaker; current, active chronic pain disease: chronic fatigue syndrome, fibromyalgia, endometriosis, inflammatory bowel disease, interstitial cystitis diabetic neuropathic pain; neurologic deficits; cervical radiculopathy; peripheral nerve disease; rheumatoid arthritis; shoulder disease; radial tunnel syndrome; previous surgery of the affected upper extremities; congenital or acquired bony deformity in the ipsilateral upper extremity; bilateral epicondylosis; secondary orthopedic problems; the initiation of opioid analgesia or corticosteroid or analgesic injection interventions within the previous 6 months; local corticosteroids and/or botulinum toxin (Botox®) injection for Lateral Epicondyle pain relief within the prior 30 days; medical tx; such as chiropractic care and acupuncture within last 30 days; physical therapy intervention on the upper extremity in the previous year; active infection, wound, or other external trauma to the areas to be treated with the laser; medical, physical, or other contraindications for, or sensitivity to, light therapy; serious mental health illness such as dementia or schizophrenia; psychiatric hospitalization in past two years; pregnant, breast feeding, or planning pregnancy prior to the end of study participation.