Pet MD Hydrocortisone 1% Spray helps provide rapid relief from itching caused by fleas, insect bites, dermatitis, hot spots and other minor skin irritations. The non-stinging formula is free from fragrances and dyes that could cause further irritation and also helps to reduce inflammation and redness while helping to stop the cycle of biting and scratching. Pet MD Hydrocortisone 1% Spray is safe for dogs, cats and horses and is convenient for use between baths to calm irritated skin.