Helminticide-L treatment for common worms in Dogs & Cats. Broad-spectrum dewormer used in dogs puppies and cat kittens to treat tapeworms, hookworms and roundworms. – For oral administration only. – 1 Tablet for 10 kg. body weight. – The tablets can be given directly to the dogs and cats or disguised in food. No starvation is needed before or after treatment. – For rountine control dogs and cats should be treated every 3 months.