Pyrantel pamoate is a paie yellow to buff paste containing 43.9% W/W PYRANTEL PAMOATE IN AN INERT VEHICLE . EACH SYRINGE CONTAINS 3.6G PYRANTEL BASe in 23.6 grams paste .each milliliter contains 171milligrams pyrantel base as pyrantel pamoate . Composition : Pyrantel pamoate is a compound belonging to a family classified chemically as tetrahydropyrimidines . it is a yellow . water-insoluble crystalline salt of the tetrahydropyrimidine base and pamoic acid containing 34.7% base activity . the chemical struture and name are given below . Indications : For the removal and control of mature infections of large strongyles (strongylus vulgaris ,s.edentatus .s equinus) small strongyles pinworms(oxyuris equi) and large roundworms (parascaris equorum) in horsed and ponies consult your veterinarian for assistance in the diagnosis , treatment , and control of parasitism . dosage and treatment Pyrantel pamoate is to be administered as a single oral dose of 3 miligrams pryantel base per pound of body weight . the syringe has four weight mark increments . each weight mark indicates the recommended dose for 300 pounds of body weight .