The Safety Profile of Flunixin and its Pharmacological Effects in Chicks | ||||
| Egyptian Journal of Veterinary Sciences | ||||
| Article 11, Volume 52, Issue 2, August 2021, Page 229-236 PDF (1.16 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejvs.2021.65150.1220 | ||||
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| Authors | ||||
Zahraa Alhumdany 1; Yasser albadrany  2
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| 1Department of physiology, biochemistry, and pharmacology, College of Veterinary Medicine, University of Mosul, Mosul, Iraq | ||||
| 2physiology, biochemistry and pharmacology /college of veterinary medicine/university of Mosul | ||||
| Abstract | ||||
| Background: Flunixin meglumine is a non-steroidal anti-inflammatory drug used in the treatment of several conditions in veterinary medicine. Objective: The study was aimed to investigate the analgesic and anti-inflammatory effects of flunixin meglumine in chicks. Methods: The up and down method was used to assess the median lethal dose (LD50) and effective median analgesic dose (ED50) of flunixin meglumine administered intraperitoneally (i.p.) and orally (p.o.) in chicks. From the obtained values we determined the drug safety indices. Electric stimulation method was used to determination the dose-dependent analgesic effect of flunixin meglumine in chicks. Analgesic and anti-inflammatory effects were dignified via the formalin test. Results: The median lethal doses (LD50) of flunixin were 143.24mg/kg intraperitoneally and 170.77mg/kg orally. The effective median analgesic doses (ED50) of flunixin meglumine in chicks were 9.34 mg/kg and 11.75 mg/kg for intraperitoneally and orally respectively. The Therapeutic Index, Standard Safety Margin and Therapeutic Ratio of flunixin through intraperitoneal and oral route were (15.35 , 14.53), (0.15 , 0.14) and ( 5.11 , 4.84) respectively. The dose-dependent analgesic effect of flunixin meglumine at 9 mg/kg, 18 mg/kg ip and 12 mg/kg, 24 mg/kg p.o started at 15 min after treatment and lasted over 120 min of treatment. The analgesic effect peak of flunixin meglumine through intraperitoneal and oral routes was 30 minutes after treatment. In formalin test, flunixin meglumine caused a significant rise in the latency to lift right foot in comparison with the control value, along with a significant decline in foot lifting frequency. A substantial decrease in foot thickness compared to control value has been demonstrated by the anti-inflammatory effects of flunixin meglumine. Conclusion: These results shows that the flunixin has analgesic and anti-inflammatory effects and form the backbone for further pharmacological studies as well as the medication could be safely administered to chicken. | ||||
| Keywords | ||||
| Flunixin meglumine; LD50; ED50; Formalin test; Analgesia; Drug safety indices; Chicks | ||||
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