ProLabs Worm Protector 2X liquid dog dewormer for the removal of large roundworms and hookworms in puppies as young as 2 weeks, dogs and lactating dogs after whelping. Also helps prevent reinfestation of roundworms.Highly palatable; butterscotch-flavored. Contains 4.54 mg pyrantel pamoate per ml. Dosage: 1 tsp (5 ml) per 10 lbs body weight. Puppies should be treated at 2, 4, 6, 8 and 10 weeks of age. Lactating females at 2-3 weeks after whelping. Adult dogs at monthly intervals. No food withholding necessary prior to use.Made in the USA.