Peer-reviewed veterinary case report
Phenylpropanolamine poisoning signs and outcomes in 170 dogs
By Peterson, Katherine L et al.·Published in Journal of the American Veterinary Medical Association·2011·Pet Poison Helpline, United States·View original on PubMed →
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Original publication title: Phenylpropanolamine toxicosis in dogs: 170 cases (2004?2009).
- Species:
- dog
Plain-English summary
A group of 170 dogs was evaluated for symptoms after being exposed to a substance called phenylpropanolamine (PPA). Most dogs showed no signs, but some experienced agitation, vomiting, lethargy, and other symptoms. Dogs that showed symptoms had ingested a higher dose of PPA compared to those that did not. Most dogs received supportive care in the hospital for about 18 hours, and nearly all of them recovered well, with a survival rate of 99.4%. Only one dog, which ingested a very high dose, did not survive.
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Abstract
OBJECTIVE: To evaluate signalment, clinical signs, dose ingested, treatment requirements, duration of hospitalization, and outcome of dogs exposed to phenylpropanolamine. DESIGN: Retrospective case series. ANIMALS: 170 dogs with potential PPA toxicosis evaluated between 2004 and 2009. PROCEDURES: Dogs with potential PPA toxicosis were identified by reviewing the electronic database of an animal poison control center. RESULTS: 66 of the 170 (39%) dogs reportedly did not develop any clinical signs. Clinical signs reported in the remaining 104 (61%) dogs included agitation (n = 40), vomiting (27), mydriasis (19), lethargy (17), tremor or twitching (16), panting (15), bradycardia (13), tachycardia (12), hypertension (11), and erythema (8). Median dose ingested for all dogs was 29 mg/kg (13.2 mg/lb). Dogs developing clinical signs had a significantly higher median dose ingested (373 mg/kg [170 mg/lb]) than did dogs that did not develop clinical signs (18 mg/kg [8.2 mg/lb]). Likewise, median dose ingested for the 123 dogs treated as inpatients (36.9 mg/kg [16.8 mg/lb]) was significantly higher than the median dose for the 14 dogs treated as outpatients (20.5 mg/kg [9.3 mg/lb]). Median duration of hospitalization was 18 hours (range, 4 to 72 hours), and hospitalization time increased as the dose ingested increased. Survival rate was 99.4% (169/170); the dog that died had ingested a dose of 145 mg/kg (65.9 mg/lb). CONCLUSIONS AND CLINICAL RELEVANCE: Results suggested that with supportive care, the prognosis for dogs that had ingested an overdose of phenylpropanolamine was excellent.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/22087722/