Order online, or call us toll-free at 1-800-841-9665 for states east of the Mississippi, or 1-800-835-9665 for states west of the Mississippi. Online Catalog > Pharmaceuticals > Parasite Control External Insecticides - fly, lice and tick control. DeLice, Ivomec, Ultra Box, Cydectin, Atroban, Co-Ral, Fly Strike, Permethrin. Internal Ivomec, Levasole, Tramisol, Panacur, Dectomax Safe Guard, and Valbazen dewormers and parasite control.