Amitraz, a member of the formamidine pesticide family, commonly used for ectoparasite control, is applied as a dip or low-pressure hand spray to cattle and swine, and the neck collar on dogs. Data on amitraz were generated mainly on laboratory animals, hens, dogs, and baboons. The data on the ...

A one-and-a-half-year-old female Labrador Retriever, presented to the hospital with the complaint of lethargy, hypersalivation and vomiting, had a history of administration of undiluted amitraz solution per os by the owner four hours back. The animal appeared dull and depressed and the clinical...

Amitraz is a synthetic formamidine used in veterinary practice for the treatment and control of mites and ticks infestation in animals. Even though amitraz is classified as being slightly toxic in mammals if ingested orally, poisoning in dogs has been reported following dipping. The aim of this...

Amitraz is a diamidine molecule widely used as an ectoparasiticide in Veterinary Medicine. Although amitraz is prescribed as a topical treatment, its toxicity has been reported in oral and intravenous administration. This investigation assessed the potential chronotropic and dromotropic effects of...

A young Border Collie cross was presented with profound lethargy and a history of vomiting. Partial ingestion of an amitraz-impregnated collar was diagnosed. Initial treatment with alpha2-adrenergic antagonists resulted in limited clinical improvement, however resolution occurred with a second...

Amitraz is a formamidine compound used in veterinary medicine as a topical dip to control ticks and mites on dogs and livestock. A 10-year-old female Scottish terrier was presented following the accidental oral administration of a dip containing amitraz. This case report describes the clinical...

A 4-month-old female English bulldog was admitted to the clinic suffering with confusion after being found on the floor by a client. The clinical signs started a few hours after the dog was bathed with amitraz by the owner at home. Initial examinations revealed that the dog was recumbent and had...

A 3-year old Border Collie bitch was presented with severe bradyarrhythmia secondary to ingestion of amitraz. An almost immediate suppression of symptoms occurred with treatment based on atipamezole. A number of products that have a veterinary marketing authorisation (MA) contain amitraz (collars,...

This study compared the efficacy of yohimbine with atipamezole, a new α_2- adrenergic antagonist, to treat canine amitraz intoxication. Thirty dogs were divided equally into 3 groups (A, AY, and AA). Group A received 2.5% amitraz iv at 1 mg/kg; Group AY received the same dose of amitraz followed 30...

The similarities and differences in the clinical signs of amitraz intoxication (1 mg/kg IV) in dogs and cats were studied. The clinical signs observed in both species were sedation, hypothermia, bradycardia, bradyarrhythmia, hypotension, bradypnoea, mydriasis and transitory hyperglycaemia. However, ...