Background: Praziquantel is the drug of choice for treating the tapeworm Dipylidium caninum in dogs; however, resistance is possible, and regular, non-targeted administration of praziquantel may select for anthelminthic-resistant populations.
Methods: The zinc sulfate fecal floatation procedure was conducted. Gross visualization was used to identify Dipylidium spp. segments, and capsule endoscopy was used to visualize adult tapeworms within the intestinal tract.
Results: An 18-month-old spayed female terrier mix was presented due to diarrhea, hematochezia and weight loss. The dog received appropriate anthelmintic therapy for Giardia spp., Ancylostoma spp. and Dipylidium spp. The dog's clinical signs resolved, and elimination of Ancylostoma spp. was confirmed by subsequent fecal analysis. However, Dipylidium spp. segments were repeatedly present in the stool. Observation of the segments confirmed the presence of adult Dipylidium spp in feces. Treatment with praziquantel and epsiprantel were unsuccessful in eliminating the organism but was apparently successful in flea prevention. A single dose of nitrosconate was administered and eliminated Dipylidium spp. infection in the dog.
Conclusions: Nitrosconate can be an effective treatment for praziquantel-resistant dipylidiasis in dogs. The novel application of capsule endoscopy confirmed the anthelmintic efficacy of this treatment.
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| http://dx.doi.org/10.1186/s13071-022-05559-2 | DOI Listing |
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