The Safe-Guard Equine and Cattle Dewormer Paste is indicated for the control of large strongyles (Strongylus edentatus, S. equinus, S. vulgaris), encysted early 3rd stage (hypobiotic), late 3rd stage and 4th stage cyathostome larvae, small strongyles, pinworms (Oxyuris equi), ascarids (Parascaris equorum), and arteritis caused by 4th stage larvae of Strongylus vulgaris in horses. Safe-Guard Paste 10% is approved for use concomitantly with an approved form of trichlorfon. Trichlorfon is approved for the treatment of stomach bots (Gasterophilus spp.) in horses. Refer to the manufacturer's label for directions for use and cautions for trichlorfon. Safe-Guard Paste 10% is indicated for the removal and control of lungworm (Dictyocaulus viviparus), stomach worms (Haemonchus contortus, Ostertagia ostertagi, Trichostrongylus axei), and intestinal worms (Bunostomum phlebotomum, Nematodirus helvetianus, Cooperia punctata & C. oncophora, Trichostrongylus colubriformis, Oesophagostomum radiatum).