Ivermectin 1.87%/Praziquantel 14.03% anthelmintic and Boti­cide EQUIMAX is an FDA-ap­proved, all-in-one dewormer that safely and effectively rids horses of all major internal parasites, in a single dose. Is 100% effective against tapeworms and can prevent tapeworm-associated colics, due to the control of A. perfoliata.