This is an over the counter product - it does not require prescription.
Virbac Yard Spray Concentrate, 16 oz.
Ready to use residual action insecticide concentrate for use outdoors on residential lawns and premises. Kills fleas and ticks outdoors including Deer Ticks and other species that carry and transmit Lyme Disease. Contains the pyrethroid Esfenvalerate for extra safety as opposed to organophosphate yard sprays. A 16-ounce bottle covers up to 6000 square feet. Water based vehicle will not harm grass or foliage. No mixing is required. Virbac Yard Spray Concentrate comes ready to use with a convenient hose end applicator. Not to be sprayed on animals. Available in 16 oz.