Broad spectrum horse paste containing ivermectin. At the recommended dose level Noromectin Paste controls the following parasites of horses. Large strongyles, small Strongyles, Pinworm, Ascarids (roundworm), Hairworm, Large mouthed stomach worm, Neck threadwor, Bots, Lungworm, and Intestinal threadworm.Also effective for control of skin lesions caused by Habronema and Draschia sp. cutaneous larvae (summer sores), and Onchocerca sp. microfilariae (cutaneous onchocerciasis). Noromectin Paste Oral Broad Spectrum Parasite Control for Horses has shown a wide safety margin at the recommended dose level.