For the removal and control of mature infections of large strongyles, small strongyles, pinworms and large roundworms in horses and ponies. Pyrantel Paste (pyrantel pamoate) is a pale yellow to buff paste containing 43.9% w/w pyrantel pamoate in an inert vehicle. Each syringe contains 3.6 grams of pyrantel base in 23.6 grams paste. Each mL contains 171 mg pyrantel base as pyrantel pamoate.