The U.S. Pharmacopeia has released a free monograph on macrocyclic lactones. The monograph includes information on the avermectins doramectin, eprinomectin, ivermectin, and selamectin, along with milbemycin and moxidectin. The monograph lists information on each drug's indications, adverse effects, regulatory considerations, and environmental impact.
To view the monograph, log on to the USP Web site at www.usp.org/audiences/veterinary. Veterinary monographs on anti-inflammatory drugs, antimicrobial drugs, tetrahydropyrimidines, and bromide are also available at the Web site.
An independent, science-based public health organization, the USP is the official public standards-setting authority for all prescription and over-the-counter medicines, dietary supplements, and other health care products manufactured and sold in the United States.