Zerofen 22% Granules is indicated for the treatment of immature and mature stages of nematodes of the gastro-intestinal and respiratory tracts of domestic dogs and cats.

• For oral administration only sprinkled onto food or by mouth
• For the routine treatment of adult dogs and cats a dosage of 100 mg/kg is recommended
• For the treatment of weaned puppies and kittens 50 mg/kg daily for three days is recommended
• For the control of lungworm, Oslerus (Filaroides) osleri in dogs, 50 mg fenbendazole per kg per day for 7 days. A repeated course of treatment may be required in some cases.
• For the control of lungworm, Aelurostrongylus abstrusus in cats, 20 mg fenbendazole per kg per day for 5 days. For the treatment of pregnant bitches daily dosage of 25 mg fenbendazole/kg from day 40 of pregnancy continuously to 2 days post-whelping
• For the treatment of clinical worm infestations in adult dogs and cats administer 1g Zerofen 22% Granules per 4.4 kg (10 lb) bodyweight daily for 3 consecutive days (= 50 mg fenbendazole per kg bodyweight daily for 3 days).