Cold Laser Therapy or Low Level Laser Therapy (LLLT) is a treatment that utilizes specific wavelengths of light to interact with tissue and is thought to help accelerate the healing process. It can be used on patients who suffer from a variety of acute and chronic conditions in order to help eliminate pain, swelling, reduce spasms and increase functionality.

Ultrasound therapy uses sound waves to penetrate all layers of the skin. Therapeutic ultrasound is often used by chiropractors and physiotherapists to reduce pain, increase circulation and increase mobility of soft tissues. Additionally, the application of ultrasound can be helpful in the reduction of inflammation, reducing pain and the healing of injuries and wounds.

Difference Between Cold Laser and Ultrasound Therapy

Cold laser therapy is more verstaile. It can be used on patients of all ages. It can be used on open and closed wounds.
Ultrasound has more restrictions on age. Restrictions also on circulatory systems. It cannot be used on open wounds due to use of gels.

The above information comes from spine-health.com and healthline.com