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J Feline Med Surg. 2011 Oct;13(10):694-7. doi: 10.1016/j.jfms.2011.05.017. Epub 2011 Aug 5.

Safety and palatability of polyethylene glycol 3350 as an oral laxative in cats.

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Small Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.


Recurrent constipation is a common problem in cats. Laxatives often are the cornerstone for management of recurrent constipation; however, there is a paucity of published research on laxative use in cats. This study investigated the safety and palatability of polyethylene glycol (PEG3350) in normal cats. All cats consumed the PEG3350 laxative for 4 weeks without changes in weight or food intake. In all cats soft stools were achieved. Effective doses varied widely in experimental cats, so individualized dosing is important. Mild, non-clinical hyperkalemia was noted although the cause is unknown.

[Indexed for MEDLINE]

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