LLLT is a laser or LED light therapy that improves tissue repair (skin wounds, muscle, tendon, bone, nerves), reduces inflammation and reduces pain wherever the beam is applied. Usually applied by a doctor, therapist or technician, treatments typically take 1 - 10 minutes and should be applied two or more times a week. LLLT works predominately on a protein in mitochondria (cytochrome c oxidase) to increase ATP and reduce oxidative stress. A cascade of mitochondrial and intracellular downstream effects lead to improved tissue repair and reduced inflammation.
The analgesic mechanism
This depends on an LLLT overdose; Higher power density LLLT >300mW/cm² reduces ATP production in C fibers and A delta fibers resulting in an immediate neural blockade lasting up to approx 24 hr.