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Published on: July 29, 2014
Opioid analgesia in horses
1Easter Bush Veterinary Centre, University of Edinburgh, Easter Bush, Roslin, Midlothian EH25 9RG, Scotland, UK. e.clutton@ed.ac.uk
The Veterinary Clinics of North America. Equine Practice
|November 9, 2010
Summary
Opioid analgesics offer significant pain relief for horses, despite historical concerns about side effects. Recent research clarifies their role and explains equine responses to these pain medications.
Area of Science:
- Veterinary pharmacology
- Equine pain management
Background:
- Opioid analgesics are crucial for human pain relief and increasingly valued in veterinary medicine.
- Historically, the horse's benefit from opioid analgesics has been limited due to overlooked research and concerns about adverse effects.
- Recent advancements highlight a growing role for opioids in equine pain management.
Purpose of the Study:
- To review the evolving understanding of opioid analgesics in equine pain management.
- To explore the pharmacological basis for opioid efficacy and side effects in horses.
- To re-evaluate the potential of opioid analgesics for horses.
Main Methods:
- Literature review of historical and recent studies on opioid analgesics in horses.
- Analysis of radioligand studies investigating opioid receptor interactions in equine models.
- Comparison of equine responses to opioid analgesics with other species.
Main Results:
- Early studies incorrectly suggested narrow therapeutic windows for equine opioid use.
- Radioligand studies provide a molecular basis for observed equine responses to opioids.
- Current evidence supports a broader application of opioid analgesics in horses.
Conclusions:
- Opioid analgesics have a viable and expanding role in equine pain management.
- Understanding equine-specific pharmacology is key to optimizing opioid use.
- Further research can refine the use of opioids for effective pain relief in horses.
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