EVALUATION THE ANTINOCICEPTIVE EFFECTS OF METOCLOPRAMIDE AND THEIR INTERACTION WITH DIPHENHYDRAMINE IN ACUTE MODEL OF PAIN IN MALE MICE

The aim of this study was to evaluate the analgesic effect of metoclopramidealone or as a combination with diphenhydramine. The type of interaction between twodrugs also determined at level of acute pain centrally and peripherally using hot-plateand writhing test in male mice. The individual ED50 va...

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Main Authors: Taimaa A. Al-Najmawy, G. A-M. Faris
Format: Article
Language:English
Published: College of Veterinary Medicine, University of Basrah, Iraq 2018-11-01
Series:Basrah Journal of Veterinary Research
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Online Access:https://bjvr.uobasrah.edu.iq/article_173994_bdd5c263115e93c08ca5a1559c77cec7.pdf
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author Taimaa A. Al-Najmawy
G. A-M. Faris
author_facet Taimaa A. Al-Najmawy
G. A-M. Faris
author_sort Taimaa A. Al-Najmawy
collection DOAJ
description The aim of this study was to evaluate the analgesic effect of metoclopramidealone or as a combination with diphenhydramine. The type of interaction between twodrugs also determined at level of acute pain centrally and peripherally using hot-plateand writhing test in male mice. The individual ED50 value of metoclopramide anddiphenhydramine for induction of antinociceptive effect was at 30.7 mg/kg,ip and0.57mg/kg, sc ,respectively. While combined this ED50 value of diphenhydramine andmetoclopramide at several ratios (1:1, 0.5:1, 0.5:0.5 and 0.25:1) respectively,produced synergism interaction between two drugs at all ratios (except the final ratio,produced antagonism). This combination decreased the ED50 of each drug andproduced good antinociceptive effect in male mice at centrally level. Concomitantadministration of metoclopramide ip and diphenhydramine sc at double doses of ED50for each drug, also produced good analgesic effect at visceral pain level, whichinduced by acetic acid in writhing test. Avery effective and safe antinociceptive effectand also achieved using combination of metoclopramide and diphenhydramine atsedative doses (not analgesic).The results suggested that synergism (super-additive)interaction of diphenhydramine and metoclopramide combination was a good and safeantinociceptive effect produced by a combination of sedative dose for each drug . Thecombination of these drugs very important in practice of the veterinary medicine.
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spelling doaj-art-df7661fd8c7c41ed8fc0d91e33e805e62025-08-20T01:49:57ZengCollege of Veterinary Medicine, University of Basrah, IraqBasrah Journal of Veterinary Research1813-84972410-84562018-11-01173 (Proceeding of 6th International Scientific Conference, College of Veterinary Medicine University of Basrah, Iraq)39141110.23975/bjvetr.2016.173994173994EVALUATION THE ANTINOCICEPTIVE EFFECTS OF METOCLOPRAMIDE AND THEIR INTERACTION WITH DIPHENHYDRAMINE IN ACUTE MODEL OF PAIN IN MALE MICETaimaa A. Al-Najmawy0G. A-M. Faris1Department of physiology , College of Veterinary Medicine, University of Mosul, Mosul, IraqDepartment of physiology , College of Veterinary Medicine, University of Mosul, Mosul, IraqThe aim of this study was to evaluate the analgesic effect of metoclopramidealone or as a combination with diphenhydramine. The type of interaction between twodrugs also determined at level of acute pain centrally and peripherally using hot-plateand writhing test in male mice. The individual ED50 value of metoclopramide anddiphenhydramine for induction of antinociceptive effect was at 30.7 mg/kg,ip and0.57mg/kg, sc ,respectively. While combined this ED50 value of diphenhydramine andmetoclopramide at several ratios (1:1, 0.5:1, 0.5:0.5 and 0.25:1) respectively,produced synergism interaction between two drugs at all ratios (except the final ratio,produced antagonism). This combination decreased the ED50 of each drug andproduced good antinociceptive effect in male mice at centrally level. Concomitantadministration of metoclopramide ip and diphenhydramine sc at double doses of ED50for each drug, also produced good analgesic effect at visceral pain level, whichinduced by acetic acid in writhing test. Avery effective and safe antinociceptive effectand also achieved using combination of metoclopramide and diphenhydramine atsedative doses (not analgesic).The results suggested that synergism (super-additive)interaction of diphenhydramine and metoclopramide combination was a good and safeantinociceptive effect produced by a combination of sedative dose for each drug . Thecombination of these drugs very important in practice of the veterinary medicine.https://bjvr.uobasrah.edu.iq/article_173994_bdd5c263115e93c08ca5a1559c77cec7.pdfantinociceptivemetoclopramidewrithes
spellingShingle Taimaa A. Al-Najmawy
G. A-M. Faris
EVALUATION THE ANTINOCICEPTIVE EFFECTS OF METOCLOPRAMIDE AND THEIR INTERACTION WITH DIPHENHYDRAMINE IN ACUTE MODEL OF PAIN IN MALE MICE
Basrah Journal of Veterinary Research
antinociceptive
metoclopramide
writhes
title EVALUATION THE ANTINOCICEPTIVE EFFECTS OF METOCLOPRAMIDE AND THEIR INTERACTION WITH DIPHENHYDRAMINE IN ACUTE MODEL OF PAIN IN MALE MICE
title_full EVALUATION THE ANTINOCICEPTIVE EFFECTS OF METOCLOPRAMIDE AND THEIR INTERACTION WITH DIPHENHYDRAMINE IN ACUTE MODEL OF PAIN IN MALE MICE
title_fullStr EVALUATION THE ANTINOCICEPTIVE EFFECTS OF METOCLOPRAMIDE AND THEIR INTERACTION WITH DIPHENHYDRAMINE IN ACUTE MODEL OF PAIN IN MALE MICE
title_full_unstemmed EVALUATION THE ANTINOCICEPTIVE EFFECTS OF METOCLOPRAMIDE AND THEIR INTERACTION WITH DIPHENHYDRAMINE IN ACUTE MODEL OF PAIN IN MALE MICE
title_short EVALUATION THE ANTINOCICEPTIVE EFFECTS OF METOCLOPRAMIDE AND THEIR INTERACTION WITH DIPHENHYDRAMINE IN ACUTE MODEL OF PAIN IN MALE MICE
title_sort evaluation the antinociceptive effects of metoclopramide and their interaction with diphenhydramine in acute model of pain in male mice
topic antinociceptive
metoclopramide
writhes
url https://bjvr.uobasrah.edu.iq/article_173994_bdd5c263115e93c08ca5a1559c77cec7.pdf
work_keys_str_mv AT taimaaaalnajmawy evaluationtheantinociceptiveeffectsofmetoclopramideandtheirinteractionwithdiphenhydramineinacutemodelofpaininmalemice
AT gamfaris evaluationtheantinociceptiveeffectsofmetoclopramideandtheirinteractionwithdiphenhydramineinacutemodelofpaininmalemice