Durvet Ivermectin Paste provides effective control of the following parasites in horses: Large Strongyles (adults)- Strongylus vulgaris (also early forms in blood vessels), S. edentatus (also tissue stages), S. equinus, Triodontophorus spp. including T. brevicauda and T. serratus and Craterostomum acuticaudatum; Small Strongyles (adults, including those resistant to some benzimidazole class compounds)- Coronocyclus spp. including C. coronatus, C. labiatus and C. labratus, Cyathostomum spp. including C. catinatum and C. pateratum; Cylicocyclus spp. including C. insigne, C. leptostomum, C. nassatus, and C. brevicapsulatus; Cylicodontophorus spp.; Cylicostephanus spp. including C. calicatus, C. goldi, C. longibursatus, and C. minutus and Petrovinema poculatum; Small Strongyles– Fourth-stage larvae; Pinworms (adults and fourthstage larvae)- Oxyuris equi; Ascarids (adults, third-stage and fourth-stage larvae)- Parascaris equorum; Hairworms (adults)- Trichostrongylus axei; Large-mouth Stomach Worms (adults)- Habronema muscae; Bots (oral and gastric stages)- Gasterophilus spp. including G. intestinalis and G. nasalis; Lungworms (adults and fourth-stage larvae)- Dictyocaulus arnfieldi; Intestinal Threadworms (adults)- Strongyloides westeri; Summer Sores caused by Habronema and Draschia spp. cutaneous third-stage larvae; Dermatitis caused by neck threadworm microfilariae, Onchocerca sp.