Equimax broad-spectrum horse wormer Equimax is up to 100% is effective in treating and control of susceptible tapeworms and roundworms (including arterial larval stages of Storngylus vulgaris and Benzimidazole resistant small Strongyles), bots and skin lesions caused by Haronema and Draschia spp. (Summer Sores) and Onchocerca spp. Microfilariae (Cutaneous onchocerciasis).