Mud fever is not one condition but a collection of clinical signs associated with a number of different causes. Particularly evident during wet winter months, mud fever is also known aspasterndermatitis,dew poisoning, greasy heel or in the USA as scratches. Although very common mud fever is not limited to horse’s legs being stood in muddy ground it appears in various forms; for example on a horse’s back it is known as Rain Scald.

There are many factors which cause the condition:

• Genetics – white skin and feathers can cause horses to be more predisposed to irritation.
• Environmental conditions anything that irritates softens or breaks skin, such as standing in wet muddy ground, can allow bacteria to invade and cause infection.
• Physical and chemical irritants – allergies, insect bites and rubs from dirty tack and boots also allow bacteria to invade.
• Other infections–these can damage the skin and allow secondary infection to occur.

Bacteria in the environment, and others pathogens such as Dermatophilus Congolensis living in the mud, invade the skin’s weakened defences causing irritation and inflammation which in turn causes the scabby or exudative lesions that lead to soreness.

Although minor complaints can be treated, the immediate removal from the wet and muddy environment is essential. If excessive heat and swelling are detected veterinary attention must be sought.

To treat infected areas first wash with a Chlorohexidine based shampoo such as GallopMedicated Shampoo. This will disinfect the area whilst gently helping to remove scabs and conditioning the skin. Apply gently as the area will be sore and then allow the area to dry thoroughly. Once dry, apply a thick layer of Wound Cream to the area, wrap in cling film, bandage and leave overnight. In this way, Wound Cream battles the infection whilst the cling film and bandaging will sweat it out. Remove in the morning, rinse again withGallop Medicated Shampoo, allow to dry and re-apply Wound Cream as before. Repeat daily until the all scabs have been removed and there is no sign of infection.

Protection Plus is the ultimate barrier ointment, not only for mud fever but also as a preventative measure when horses are exposed to mud and wet conditions for any length of time. Its waterproofing properties and powerful antibacterial agents make Protection Plus a must in the prevention of skin irritation. The added benefit of a citronella scent also helps during the summer months to keep flies at bay. Apply a thick layer prior to the horse being turned out to keep legs dry and bacteria free.

To avoid damage be gentle when rinsing off horse’s legs after being in the field as hard bristle brushes can damage skin and encourage infection. Always keep boots and bandages clean and dry, and disinfect to prevent the spread of bacteria.

For more information, please visit the Carr and Day and Martin website.