Do not use on the following (for humans and horses):

• Open wounds, new injuries, or new swelling (for the first forty-eight hours).
  
  
• Where there is suspected infection or malignant tumours.
  
  
• Burn injuries or deep vein thrombosis.
  
  
• Over the abdomen if pregnant.
  
  
• Circulatory problems, causing hypo or hyper sensitivity to heat.
  
  
• Active bleeding, bruising or haematoma.
  
  
• Bony areas such as the wither, point of shoulder or hip.