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Dibucaine toxicosis in a dog
Andrew S Hanzlicek1, Deon Van der Merwe
1Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, 1800 Denison Ave, Manhattan, KS 66506, USA. ahanzlic@vet.k-state.edu
Summary
Dibucaine ointment, a common topical anesthetic, poses a serious toxicological risk to pets. Accidental ingestion by a dog caused severe clinical signs, highlighting the need for safe storage.
Area of Science:
- Veterinary Toxicology
- Pharmacology
Background:
- Dibucaine is a potent, long-acting local anesthetic (LA) available over-the-counter in topical ointments for various skin irritations and anorectal disorders.
- Oral dibucaine toxicosis in children presents with gastrointestinal, neurologic, and cardiovascular symptoms.
Purpose of the Study:
- To report a case of accidental dibucaine ointment ingestion in a dog.
- To highlight the toxicological risks of dibucaine ointment in pets.
Main Methods:
- An 18-month-old Parson Russell terrier ingested approximately 23g of 1% dibucaine ointment.
- Clinical signs and their onset/resolution were monitored.
Main Results:
- The dog experienced rapid onset (5 min) and resolution (60 min) of clinical signs.
- Symptoms included vomiting, ptyalism, muscle fasciculations, disorientation, and severe ataxia.
Conclusions:
- The dog's symptoms were consistent with oral dibucaine toxicosis observed in children.
- Dibucaine ointment presents a significant toxicological hazard to pets, necessitating secure storage.
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