As winter approaches a lot of health issues come into picture. Moist and dusty softens skin and causes irritation. It also causes scratches on the skin through which germs and bacteria enter. This further makes the skin sore with oozing scabs. When these scabs appear on the back and topline they are referred as rain rot and when they appear on legs they are referred as scratches.
The best prevention is to make sure the affected area is always dry. To keep the horse dry is a tough job though if the horse is living out you can make sure it is dry by the use of blanket. We also need to make sure that the gateway and watering areas are not too poached. Applying a barrier cream to the dry legs before turning out can be very helpful.
Scrubbing of antibacterial solution to the affected areas is also a good thing. Several times antibiotics may need to clear up so consulting a vet is also a good idea.
Standing for long hours in wet and dry weather conditions causes Thrush. The main symptom of this is black, smelly discharge from the grooves at the side of the frog and this could be very severe too. If the frog and sole become very soft and sensitive it is a sign that thrush is very severe.
Avoiding filthy living conditions and maintaining a hygienic environment are the ways of preventing the severe conditions. There are many other treatments for which you could consult a good vet.