Liz Buchanan BVSc MRCVS
Keymaster
Hello! You have made a rapid leap here from vomiting to allergy. Yes, it's true that some cats with allergies do vomit but it in my experience it is much more common for vomiting cats to turn out to have latent kidney disease, liver disease, pancreatitis, hyperthyroidism, cancer or gastritis and many of these cats would also improve to some extent on a bland diet, perhaps especially the pancreatitis cat. I hear that you do not want to carry out bloods due to cost (and of course, you may be right, they may be negative - a cat with a stomach cancer for example would not necessarily show up on bloods). However, just because you have decided not to look for many possibilities on blood tests, doesn't rule them out as possibilities or make focussing on allergy any more of a logical conclusion. Further, Pancreatitis and hyperthyroidism both require specific tests and are extremely common in middle aged female cats (we used to use lipase from old-style basic blood tests as an indicator to do pancreatitis tests, but the truth is that lipase is often not raised in these cats and the true specific pancreatitis blood test is worth doing). The problem is, that without knowing the cause of the problem, it is hard to know how best to help the patient, apart from continuing to feed bland food and monitor in case they become dehydrated, so opportunities to make a huge difference may be missed. Dandruff and watery eyes are unfortunately common in cats with many different underlying illnesses. Best of luck and please let us know what is found.
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