Thank you Liz,With her response to the sardines and lack of increased urinary frequency, cystitis is going to be less likely here. Instead, we'd be more concerned about potential constipation +/- GI upset. In this case, if she is eating a bit, then you can choose to continue supportive care of the weekend with a view to having her seen on Monday. That said, if her distress was severe last night and we have not had feces from her yet despite the sardines, I would advise with her being an older lass that erring on the side of caution is never a bad idea with idea with cats (since they do strive to hide when they are unwell for as long as possible).In this case, you do have 2 options. First, you can check with the local vet to see if they do have time to see her today (that way you wouldn't be cutting off any emergencies but since we vets do sometimes have calm on-call weekends you could sneak her in sooner if this was the case for their weekend). Otherwise, we'd want to consider continuing the supportive care to get those feces moving. If you choose the latter, we do have a range of options to try and get things moving for Spud. First, if you have not already, you can try giving her cat hairball treatment (ie Catalax, Laxatone, etc). This will lubricate the GI and just help any mild constipation to get moving. In the same vein as the sardines, you can also give her fish oil (omega 3+ 6). This usually works best for upper GI lubrication but has the added benefit of soothing joint inflammation (since arthritis actually can often play a role in constipation in elderly cats). Typically, we will give cats 180 mg EPA and 120 mg DHA per 10 lbs of cat body weight. Alternatively, if we need to really get things moving, then you can consider administering a a small volume of Miralax (1 tsp per 24 hours), lactulose (More Info/Dose) or chemist grade mineral oil/liquid paraffin orally. Ideally, we'd want to offer this in food or if given via oral syringe then take care to avoid aspiration, since that would cause problems we'd best avoid) as a GI lubricant.As well, just to note in case this is a common issue for Spud, we can also consider increasing her dietary fiber (to push feces through her GI more effectively. If she is eating normally, you can mix in some canned pumpkin or a 1/4 teaspoon of unflavored Metamucil/Benefiber. Just like people, these can maintain fecal output regularity. I would offer these with wet food to ease her eating of it, while making sure we are getting water into her (as canned food is 35% water).Overall, based off her response to the sardines, constipation would be our top suspect here. And while I am glad that she did settle last night, I am still concerned about the lack of feces. Therefore, in this case with her being an old dear, I would advise that it is worth ringing the out of hours vet (I would want you to if this were my weekend on call). If she is calm at this stage, then its not an emergency but if they can fit her in today then we can just confirm our suspicions, make sure there is nothing else amiss, and just make sure we are addressing this promptly for her. Of course, if they are overwhelmed with emergencies, then she may have to wait until Monday. But it is worth a wee ring here to just see if they can fit her in, so that we can help get her more comfortable as soon as possible.
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