How to Give Strongid-T Pyrantel Pamoate to a Cat

Strongid T suspension is a pyrantel pamoate made by Pfizer available over-the-counter at farm supply and pet stores. It provides treatment for common parasites that attack your furry friend such as roundworm, pinworm and hookworm.

Read the manufacturer’s directions on the Strongid-T package. Here' you'll find the proper dosage for your cat, according to the cat's weight. Generally you administer Strongid-T at a ratio of 2½ milligrams to 5 milligrams of Strongid-T per pound of cat weight, according to PetPlace.com.

Weigh your cat on a bathroom scale. Weigh yourself first, without the cat. Then hold your cat and weigh to get a combined weight for the two of you. Subtract your weight from the total. The remainder is your cat’s weight.

Follow the Strongid T package instructions and use the amount recommended. For instance, if your cat weighs 5 pounds and the package recommends 2½ milligrams per pound, the proper dose is 12.5 milligrams.

Measure the Strongid T using a syringe or the cup provided. Pour it over soft or moist cat food.

Repeat the dosage in three weeks -- pyrantel pamoate kills only adult worms. Waiting this long allows existing eggs to hatch; the second administration kills the live worms before they mature and mate.

Items you will need

  • Bathroom scale
  • Strongid T paste or liquid
  • Moist cat food


  • If food covered in Strongid T is not appetizing to your cat, squirt the dose directly in his mouth on the back of his tongue using a syringe with no needle. You can give Strongid T to your kitten/cat when he reaches 6 weeks old if your vet recommends it.


  • If your feline friend develops severe vomiting or diarrhea while taking Strongid T, contact your vet immediately.

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Amanda Maddox began writing professionally in 2007. Her work appears on various websites focusing on topics about medical billing, coding, real estate, insurance, accounting and business. Maddox has her insurance and real estate licenses and holds an Associate of Applied Science in accounting and business administration from Wallace State Community College.