Drontal Plus Tablets Presentation Drontal Plus Flavour Tablet is a pale brown to brown flavoured tablet containing 50 mg praziquantel, 144 mg pyrantel embonate and 150 mg febantel. Drontal Plus XL Tablet is a pale yellow tablet containing 175 mg praziquantel, 504 mg pyrantel embonate and 525 mg febantel.