Peer-reviewed veterinary case report
Signs and treatment of hops poisoning in dogs from 71 cases
By Pfaff, Alexandra et al.·Published in Journal of veterinary emergency and critical care (San Antonio, Tex. : 2001)·2022·Department of Clinical Sciences, United States·View original on PubMed →
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Original publication title: Retrospective analysis of hops toxicosis in dogs (2002-2014): 71 cases.
- Species:
- dog
Plain-English summary
A group of 71 dogs was brought in after ingesting hops, which can be toxic to them. Most showed symptoms like high body temperature and fast heart rates, with 77% of the dogs surviving after treatment. Unfortunately, the treatments used, including cooling and medications, did not significantly improve survival rates. The dogs that did survive fully recovered from their symptoms. It's important for pet owners to be aware that hops can be dangerous for dogs.
People also search for: dog hops poisoning symptoms · what to do if my dog ate hops · dog high temperature treatment
Abstract
OBJECTIVE: To describe a population of dogs with hops toxicosis, including clinical signs observed, treatments performed, patient outcome, and overall prognosis. Clinical findings and treatment interventions were evaluated for their potential effects on outcome. This study also aims to review hops toxicosis and treatment options. DESIGN: Retrospective observational study. SETTING: Poison Control Center. ANIMALS: Seventy-one dogs presenting for hops ingestion. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: Records of 71 dogs with known hops ingestion from the ASPCA - Animal Poison Control Center (ASPCA-APCC) database and the Tufts University medical record system were reviewed. Fifty-nine (77%) of the dogs survived. The most common clinical signs on presentation were hyperthermia and tachycardia, with presenting temperatures and heart rates significantly higher in nonsurvivors. There was no significant difference between survivors and nonsurvivors in regard to signalment. Time to presentation was shorter in survivors (5.0 vs 5.5 h; P < 0.0001). The median amount of hops ingested was higher in nonsurvivors (2 vs 2.5 oz; P < 0.0001). Hops ingestion caused hyperthermia in 96% (68/71) of dogs. The median time to death in the nonsurvivor group was 10.7 hours (2-30 h). None of the decontamination, cooling, or treatment measures (dantrolene, cyproheptadine, sedatives) evaluated in this population were associated with improved survival. After adjusting for cooling, time to presentation, and dantrolene administration, every degree of elevation in temperature was associated with a 78% increased chance of death. All dogs that survived to discharge had complete resolution of clinical signs. CONCLUSIONS: Hops toxicosis can result in significant hyperthermia, tachypnea, and tachycardia. Seventy-seven percent of dogs survived with intensive treatment. Continued education of the potential for hops toxicosis is advised.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/34498796/