Tag Archives: Lime sulfur

Treatment of Pastern Dermatitis

The appropriate therapy obviously involves identification of the predisposing, perpetuating, and primary factors. In general, avoiding pastures/paddocks with mud, water, or sand may minimize predisposing factors. Keeping patients stalled during wet weather and until morning dew has dried is often rewarding. Use of alternate sources of bedding may be beneficial because the chemicals in treated… Read More »


Dermatophilosis or “rain scald” has a worldwide distribution, although the prevalence of the disease varies with geographic location. It is a moist, exudative dermatitis caused by the actinomycete Dermatophilus congolensis. D. congolensis is a gram-positive, non-acid fast, branching, filamentous bacterium that can cause a superficial bacterial dermatitis in a variety of species in addition to… Read More »


Dermatophytosis is a common, contagious, superficial fungal infection of keratinized tissues — including the superficial epidermis, hair, and, less commonly, hooves. Synonyms include ringworm or “girth itch.” Horses of all ages can become infected with dermatophytes, but young horses are more commonly affected. Although multiple fungal genera are capable of producing dermatophytosis, the majority of… Read More »

Mites and Ticks

Mange (Mite Infestation) Ticks Horses are exposed to a number of species of ticks, according to the geographic area (). The importance of ixodid (“hard”) ticks is mainly due to the transmission of infectious diseases like babesiosis or ehrlichiosis. However, a direct effect can be observed due to the skin damage, mechanical irritation, and pain… Read More »


Mange (Demodectic / Sarcoptic) Definition and cause Demodex is a localized or generalized parasitic disease caused by Demodex spp. mites. The underlying cause is believed to be genetic or related to immune deficiency or imbalance. In cats it is most often associated with other systemic disease such as FIV. Sarcoptic mange is a highly pruritic… Read More »