Drontal puppy suspension is for the treatment and control of roundworms ascarids in particular toxocara canis of puppies and young dogs up to one year of age to avoid worms reaching maturity and affecting your pets health and to reduce public health risks thats why puppies should be wormed every fortnight up to 12 weeks of age and with its highly palatable easily administered liquid formulation drontal puppy suspension is ideal the product will also be effective againsthookworm anc