https://www.vetnurse.co.uk/f/clinical-discussions/11895/green-vomit-in-cats A friend of a friend called me today and said that her cat has been vomiting a green/yellow substance for about the past week. It only seems to happen about an hour after she eats. She appears to be drinking normally and the contents of her litter boxen-USTelligent Community 10https://www.vetnurse.co.uk/thread/105277?ContentTypeID=1Thu, 06 Jan 2011 15:33:18 GMT1a0763ec-3885-442c-853e-6cef656dfec5:77620ecb-94d1-47f8-8d23-0ad39bd58020Nichola231<p>Hey Steph</p> <p>Yeah they probably do so that could be partly due to the green vomit. Was thinking about a possible blocked track. &nbsp;May run over and take a good look at her.</p><div style="clear:both;"></div>https://www.vetnurse.co.uk/thread/105276?ContentTypeID=1Thu, 06 Jan 2011 15:28:59 GMT1a0763ec-3885-442c-853e-6cef656dfec5:82ed920e-e490-41d8-bca5-f257b48b2939Anonymous<p>Hi Nichola it sounds like bile but also do they keep any plants or flowers in the home? Sometimes cats like to chew on these. :) If the cat is eating too quickly usually the contents of the vomit would be undigested food and not just bile. I would check with a vet just to be sure there isn&#39;t anything nasty going on like a hairball blockage or something else upping the acid in the stomach. </p><div style="clear:both;"></div>