Sturtevant's Large Animal Antiseptic Powder is a safe and effective topical treatment specific to bacterial and fungal infections affecting horses and other large domestic animals and working animals. Sturtevant's large animal formulation treats the following conditions: Rain Rot, Collar Galls, Girth Itch, Pastern Dermatitis, Summer Sores, and Proud Flesh. In addition, the powder can be mixed with small amounts of water to form a paste. The paste can be used as a poultice and is excellent for the treatment of heat and inflammation of the legs due to muscle or tendon strains and injury. All Sturtevant's Veterinary Remedies products are allergy tested, PETA approved, cruelty free products developed for use by professionals and non-professionals to insure the safest and fastest relief from the most common skin irritations affecting both large and small animals.