How to treat clydesdale shire scratches on legs

Pastern Dermatitis Scratches Grease Heel Dew Poisoning Mud Fever Photo sensitization CRAZY CLYDESDALE shire SCRATCHES ...MUD FEVER...GREASED HEAL...cracked heal...RAIN ROT...PASTERN DERMATITIS...CHRONIC PASTERN LYMPH-EDEMA. SOMETIMES ALSO FOUND ...