Old Insulin ineffective

Discussion in 'Feline Health - (Welcome & Main Forum)' started by The Mama, Oct 16, 2018.

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  1. The Mama

    The Mama New Member

    Joined:
    Nov 6, 2017
    This question has probably been answered here many times, but I couldn't find anything on the topic.
    My Vetsulin is 3 months and 3 weeks old, since I first used it. It is kept in the fridge but twice during hurricane season the fridge lost power for about 6 hours.
    Normally I give my 15 year old cat about 1 unit of insulin but it has become completely ineffective. My vet wont approve the prescription for more without an office visit, otherwise I would already have ordered new Vetsulin. Since they made me mad, I am going to a new vet but cant get there until Monday.
    Today is Tuesday and it will be about a week until I have more Vetsulin.
    I have upped her to 2 units and her numbers on a human meter are staying around 328 at lowest, but normally vetsulin has a drop that takes her to 70. Her numbers aren't going higher than 378, so I am wondering if I should up her dose on the old insulin or take her off it. I don't have a way to check ketones, but she is eating and drinking normally, just seems a little more tired than usual.
    The insulin looks fine, no strings, mixes to cloudy, smells fine. Is it better to give her more of the insulin if I think it is just too old to work, or to give her less?
    Thanks in advance for all of your help and opinions!
     
  2. Larry and Kitties

    Larry and Kitties Well-Known Member

    Joined:
    Dec 28, 2009
    Likely the Vetsulin has lost its effectiveness. That tends to happen with Vetsulin. Only way to tell is to get a new vial of Vetsulin. In the interim, I would increase dose a little and see what happens.
     
    JanetNJ likes this.
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