Permetrol Insecticidal Spray and Rinse for Dogs and Horses Equine 250ml Vetsense HORSES: Control of pyrethroid sensitive flies–buffalo fly (Haematobia irritans exigua), stable fly (Stomoxys calcitrans) and biting insects (Culicoides sp.) An aid in the treatment of Queensland Itch. DOGS: Control of fleas (Ctenocephalides felis, Ct canis) and ticks (adult Rhipicephalus sp.). An aid in the treatment of allergic dermatitis (summer eczema). DIRECTIONS: This product should not be used on cats and animals under 12 weeks of age. When diluted in methylated spirits, the product should not be used on broken skin.