Acme Labs Sulphavet is a topical dusting powder used for treating wound infections and skin sores in dogs, cattle, sheep, goats, camels, and buffalo.

INDICATIONS

• Wounds and Infections: Topically treating infections caused by sulfonamide-sensitive organisms.
• Equine Conditions: Treatment of strangles, equine pneumonia, and joint-ill.
• Septicemia: Specifically Streptococcal septicemia.
• Metritis: Metritis in animals. 

ADMINISTRATION

• Topical Application (Dusting Powder): According to this PDF from ACME Laboratories Ltd. and MedEx, this powder can be applied directly onto wounds, sores, or infections.
• Oral Administration: The powder may be administered orally, often mixed with food or water, as noted by this PDF from ACME Laboratories Ltd. and MedEx. 
• Duration: Treatment should generally not exceed seven days