ANTHELCIDE EQ Paste is a broad-spectrum equine dewormer containing the active ingredient oxibendazole. ANTHELCIDE EQ Paste is approved for the removal and control of  large strongyles (Strongylus edentatus, S. equinus, S. vulgaris); small strongyles (species of the genera Cylicostephanus, Cylicocyclus, Cyathostomum, Triodontophorus, Cylicodontophorus, and Gyalocephalus); large roundworms (Parascaris equorum); pinworms (Oxyuris equi), including various larval stages and threadworms (Strongyloides westeri).