Contraindication for laser therapy treatment is based upon prudence more than hard experimental or clinical data. The following contraindications are presented as precautionary for safe and effective treatment and care:
Do not use laser over any known primary or secondary lesions.
Do not apply laser light to any area that has recently been injected with corticosteroids
Laser energy is harmful to the eye never shine laser light into the eyes at any time, even while wearing safety goggles
When applying laser light to epiphysitis, use a low dose initially and use only those treatments necessary to reduce swelling
Do not apply laser light to any lesion that is actively hemorrhaging
Do not apply laser light to any animal that is currently receiving photosensitive medications
Laser therapy is contraindicated for use over the pregnant uterus; do not apply laser therapy to a pregnant mare.
Laser therapy may significantly alter neural function, and is therefore contraindicated over these regions in horses with heart disease.
Do not apply laser light to the testicles of the stallion