Peer-reviewed veterinary case report
Nitenpyram treatment expels screwworm larvae in dogs with myiasis
By Correia, Thaís R et al.·Published in Veterinary parasitology·2010·Departamento de Parasitologia Animal, Brazil·View original on PubMed →
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Original publication title: Larvicidal efficacy of nitenpyram on the treatment of myiasis caused by Cochliomyia hominivorax (Diptera: Calliphoridae) in dogs.
- Species:
- dog
Plain-English summary
Seven Beagle dogs with a severe fly larvae infestation, known as myiasis, were treated with a medication called nitenpyram. The dogs received two doses of the drug, and within just a couple of hours, most of the larvae were expelled from their bodies. By 18 hours after treatment, nearly all the larvae were gone, with the remaining dead ones removed manually. Nitenpyram proved to be completely effective in treating this condition, helping the dogs recover from the infestation.
People also search for: dog myiasis treatment · nitenpyram for dogs · Beagle fly larvae infestation
Abstract
The purpose of our study was to evaluate the larvicidal efficacy of nitenpyram for the treatment of screwworm myiasis caused by Cochliomyia hominivorax in naturally infested dogs. Seven Beagle dogs presenting with myiasis were treated with nitenpyram twice at an interval of 6 h. The animals received dosages between 1.43 and 4.42 mg/kg body weight of nitenpyram in each given treatment. The criteria used to determine the drug efficacy were larval expulsion and fall. These were quantified at 15 min intervals within the first hour followed by 2, 3, 4, 6, and 18 h post-treatment. The highest larval expulsion happened between 1 and 2 h post-treatment. The spontaneous larval expulsion percentages were 86% and 94.11% for 6 and 18 h after the first treatment, respectively. Larvae were expelled until 18 h post-treatment. After this period the remaining dead larvae were mechanically removed. Nitenpyram showed 100% efficacy on the treatment of myiasis by C. hominivorax in naturally infested dogs.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/20638181/