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==Prescribing for donkeys==
 
==Prescribing for donkeys==
 
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[[Image:Donkey Mexico.JPG|thumb|right|200px|<small><center>Image courtesy of [http://drupal.thedonkeysanctuary.org.uk The Donkey Sanctuary]</center></small>]]
 
Pharmacokinetic differences have been demonstrated between horses and donkeys for a number of drugs e.g. oxytetracycline (Horspool ''et al'', 1990), trimethoprim-sulfamethoxazole (Peck ''et al'', 2002), phenylbutazone (Mealey ''et al'', 1997, Matthews ''et al'', 2001), flunixin meglumine (Coakley ''et al'', 1999), and guaifenesin (Matthews ''et al'', 1997) with, in general, Vd being lower, CL being higher and/or t½ being shorter in donkeys than in horses. These differences are of potential clinical significance for some, but not all, drugs that undergo hepatic biotransformation (Peck ''et al'', 1997). The NSAID carprofen is apparently metabolised more slowly in donkeys than in horses (Mealey 'et al'', 2004).
 
Pharmacokinetic differences have been demonstrated between horses and donkeys for a number of drugs e.g. oxytetracycline (Horspool ''et al'', 1990), trimethoprim-sulfamethoxazole (Peck ''et al'', 2002), phenylbutazone (Mealey ''et al'', 1997, Matthews ''et al'', 2001), flunixin meglumine (Coakley ''et al'', 1999), and guaifenesin (Matthews ''et al'', 1997) with, in general, Vd being lower, CL being higher and/or t½ being shorter in donkeys than in horses. These differences are of potential clinical significance for some, but not all, drugs that undergo hepatic biotransformation (Peck ''et al'', 1997). The NSAID carprofen is apparently metabolised more slowly in donkeys than in horses (Mealey 'et al'', 2004).
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approved dose rate and regime.
 
approved dose rate and regime.
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==Drug administration==
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==Literature Search==
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[[File:CABI logo.jpg|left|90px]]
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The parenteral (e.g. intravenous, intramuscular, subcutaneous, intra-articular)
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or oral routes are used most commonly to administer drugs to donkeys.
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Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation).
The choice of administration route depends on a number of factors,
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<br><br><br>
such as the need for dose titration and the expected onset and duration
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[http://www.cabdirect.org/search.html?q=(donkey+horse)+AND+subject:(pharmacology) Pharmacology and donkeys and horses publications]
of action <font color='green>(see Table 1)</font color>. Aseptic technique needs to be strictly practised for
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intra-articular administration since the consequences of intra-articular
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sepsis are particularly severe. Drugs can also be applied topically for local
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effects. However systemic action can occur following the administration of
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drugs by this route, e.g. atropine has systemic effects following ophthalmic
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administration.
      
==References==
 
==References==
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|linkpage =Pharmacology - Donkey
 
|linkpage =Pharmacology - Donkey
 
|linktext =Pharmacology - Donkey
 
|linktext =Pharmacology - Donkey
|rspace={{Donkey}}
   
|pagetype=Donkey
 
|pagetype=Donkey
 
}}
 
}}
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{{infotable
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|Maintitle = [[Sponsors|This page was sponsored and content provided by '''THE DONKEY SANCTUARY''']]
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|Maintitlebackcolour = B4CDCD
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}}
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[[Category:Pharmacology_-_Donkey]]
Author, Donkey, Bureaucrats, Administrators
53,803

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