Paste contains 43.9% w/w pyrantel pamoate in an inert vehicle. Each syringe contains 3.6 grams pyrantel base in 23.6 grams (20 mL) paste. Each mL contains 180 mg pyrantel base as pyrantel pamoate an equine wormer containing an active ingredient from the tetrahydropyrimidine class of compounds. Approved for the removal and control of mature infections of large and small strongyles, pinworms and large roundworms in horses and ponies. Packaged in a box.