Successful Treatment of Trichodectes canis in a Dog with a 1-Month Formulation of Fluralaner

An 11 yr old, 8.16 kg, spayed female Lhasa apso with unresolved pruritus was presented to the dermatology service. On physical examination, infestation of biting lice (Trichodectes canis) was discovered. The dog was treated with one dose of 100 mg fluralaner and re-evaluated at 2 and 4 wk following administration. After 2 wk, all adult lice were eliminated; however, nits were still present. After 4 wk, all clinical signs and all evidence of lice infestation were resolved. This case indicates that fluralaner is an effective treatment for biting lice, even at the lower dosage used in the 1 mo formulation.

Authors: L. Smith Title: Successful Treatment of Trichodectes canis in a Dog with a 1-Month Formulation of Fluralaner Full source: J Am Anim Hosp Assoc, 2026,Vol 62, Iss 1, pp 43-46
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Abstract	Source
An 11 yr old, 8.16 kg, spayed female Lhasa apso with unresolved pruritus was presented to the dermatology service. On physical examination, infestation of biting lice (Trichodectes canis) was discovered. The dog was treated with one dose of 100 mg fluralaner and re-evaluated at 2 and 4 wk following administration. After 2 wk, all adult lice were eliminated; however, nits were still present. After 4 wk, all clinical signs and all evidence of lice infestation were resolved. This case indicates that fluralaner is an effective treatment for biting lice, even at the lower dosage used in the 1 mo formulation.