Strongid-P Paste 43.90% w/w Presentation Strongid-P Paste is a pale yellow to buff paste, containing 43.9% w/w pyrantel embonate in an inert carrier and presented in a disposable plastic syringe/oral doser. Each oral doser contains 11.41 g pyrantel embonate in 26.00 g (22 ml) paste. Pyrantel embonate is a pale yellow to buff, odourless, non-staining amorphous powder containing 34.6% base activity.