From Dog

Doramectin, a derivative of ivermectin is a synthetic macrocyclic lactone.

Similar to milbemycin and selamectin, this drug is derived from the bacterium Streptomyces avermitilis and interferes with nematode neurotransmission, specifically enhancing inhibitory neurotransmission.

It is used as an oral or injectable preparation against a wide range of endo- and ecto-parasitic nematodes and mites, including: