Open Wounds and skin infections.

— Dermatitis, Greasy heel / Mud Fever / Rain Scald

Skin Infection all commence with abrasion to skin cells which then allow entry of various micro-organisms resulting in inflammation. Both inflammation and the micro-organic cause require elimination and cold water hydrotherapy speed this process with the salt content of the water acting as a poultice. Many of the artificial surfaces that horses work on are abrasive and can irritate skin on lower leg.