Beaphar Anti-Parasite Spot On for Medium Birds is an effective, veterinary strength medicine containing ivermectin to treat roundworms, feather lice, feather mites, red mites, air sac mites and mange mites in birds such as parakeets and mynah birds. Beaphar Anti-Parasite Spot On for Medium Birds is easy-to-use and controls parasites for up to four weeks. Suitable for cage and aviary birds weighing 50–300g. For birds weighing less than 50g, use Beaphar Anti-Parasite Spot On for Small Birds, and for birds weighing more than 300g, use Beaphar Anti-Parasite Spot On for Large Birds. IMPORTANT: DO NOT USE ON BIRDS WEIGHING LESS THAN 50g AS THIS COULD RESULT IN OVERDOSING. We recommend treating all birds in the cage or aviary at the same time, and treating the environment with a suitable insecticide.