| abstract |
A stable veterinary pour-on formulation for topical, transdermal treatment or prophylaxis of a parasitic infection or infestation in an animal is disclosed, wherein the formulation comprises: (a) an effective amount of at least one macrocyclic lactone active agent selected from an avermectin, ivermectin, eprinomectin, a milbemycin, moxidectin, doramectin, selamectin, emamectin, latidectin, abamectin, lepimectin, milbemectin, nemadectin, and combinations thereof; and (b) a solvent system comprising (i) a glycol ether; and (ii) a stability enhancer selected from stabilized glycerol formal, polyethylene glycol, tetraglycol, and propylene glycol; and (c) an effective amount of clorsulon or a salt thereof. |