Pastern Dermatitis - being the correct term- can be frustrating to treat and does require ongoing management.
As much as possible keep the animal in dry yard. Continually wet feet aren’t aren’t helpful.
Clip as much hair away from site as possible
Use small pieces of towel soaked in warm water and chlorhexidine - press gently on site to lift off debris.
Apply thick layer of HoneyPro Dermatitis Balm.