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Title: Field study on the insecticidal efficacy of Advantage against natural infestations of dogs with lice. Author: Hanssen I, Mencke N, Asskildt H, Ewald-Hamm D, Dorn H. Journal: Parasitol Res; 1999 Apr; 85(4):347-8. PubMed ID: 10099020. Abstract: A clinical field trial was performed to evaluate the efficacy of imidacloprid, the active ingredient of Advantage 10% Spot-On, against natural lice infestations on dogs. Imidacloprid was highly effective against both sucking (Linognathus setosus) and biting (Trichodectes canis) lice over the 6-week period of the trial. The duration of efficacy exceeded the egg-to-imago development period of both lice. Signs of remission of dermatitis and alopecia became visible to the pet owners at 2 weeks after treatment. The constant pruritus caused by the lice was seen for up to 2-4 weeks after treatment even in the absence of lice.[Abstract] [Full Text] [Related] [New Search]