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Old 04-23-2010, 02:41 AM
mnfila mnfila is offline
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Default Re: Switching from Vetsulin to NPH

I'm brand new to this site thanks to you! You pic of your baby puts me in your category. My girl is around 135lbs so... We are just making the switch to nph from vetsulin and the first night was not so good. G.G. was way high and considering we've just been battling a UTI from high sugar, we don't want to stay this way. Any help/advice you can give me from your experience would be highly invaluable. Thanks!!
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Old 04-23-2010, 11:39 AM
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CarolW CarolW is offline
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Arrow Re: Switching from Vetsulin to NPH

Maybe I can give you some ideas, but we'd need more detail from you before we could get specific. I gather you're testing your dog (G.G.?) - using a glucometer? And she weighs 135 pounds? Curious; is she a Fila Brasiliero (wild guess - grin!)? Or what? How old is she? When was she diagnosed with diabetes? What was her Vetsulin dose, and what NPH dose did you change to?

Have you discussed this in detail with your vet? If so, what does your vet say? If not, I think it would be worth having a discussion. If your VET has been doing BG-testing, rather than you, could you get those test results and post them here? Your vet should provide the results without any problems. And if you have been doing the testing, can we see her most recent curves? and/or spot checks?

You might read through the Sticky thread here on protocol for making the change. It seems to be generally agreed that because the curve shape may (likely, will) change with the change of insulin, the safest thing to do is cut the number of units by 20 to 25%. At first, it was suggested to start from scratch, as though the dog had never had insulin before, but that seems to have changed as time went by, which I think is fortunate.

I'm VERY sympathetic with your desire that G.G. shouldn't run high; on the other hand, that's FAR safer than letting her get too low!

You can expect it will take at least three days for G.G. to adapt to the new insulin, so that you see its true effects. Actually, my vet says, better, a week and better yet, two weeks. But my vets wouldn't raise the dose for at least three days, more likely a week, or perhaps two weeks, depending on BG (blood glucose) test results.

All that said, my Kumbi started out on Novolin-NPH insulin, and we never changed the type nor brand that he's on. So I don't personally have any experience with changing types ot insulin You will though, if you look around the forum, find various posts from people who have made the same kind of change you're beginning.

If you're able to test, yourself, with a glucometer, I'd do that; say, at least three spot-checks daily - perhaps at fasting, a.m. and p.m., and at what might be expected to be approximate peak time for NPH insulin - maybe 6 to 8 hours after the morning injection.

Are you feedng and injecting 12 hours apart? That's a standard kind of protocol for any insulin.

I WOULD like to encourage you, and let you know that if you take things step-by-step, without rushing, you should get good results in relatively little time, always assuming G.G. takes well to the NPH insulin, and doesn't have any bad reactions to it.

So, now waiting till we hear more from you! I'll be here watching, and cheering you on!

Fri, 23 Apr 2010 11:35:06 (PDT)
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Old 04-23-2010, 06:15 PM
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peggy0 peggy0 is offline
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Default Re: Switching from Vetsulin to NPH

Hi and Welcome!! What dosage did your vet suggest for the nph? Typically, the dosages are turning out to be quite the same as vetsulin, but its safe to start about 25% lower than your vetsulin dosage. You will also need to use U100 syringes. Hope your vet told you that bit of info. Let us know the dosage and we'll help you out! Ar you home testing? That will give you peace of mind as well. There is lots of info here about how to test and about monitors. Let us know the dosage, your girls food and whether you home test and we'll be here for you!!
Forbin, miss you every day. See you at the bridge Buddy.
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Old 04-24-2010, 03:15 PM
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k9diabetes k9diabetes is offline
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Location: Northern California
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Default Re: G.G. Switching from Vetsulin to NPH

Please tell us more. Especially how many units of Vetsulin were used and how many of NPH are now being given. And whether the UTI is cleared or still potentially active.

Some vets have started NPH at too few units due to some unforunate advice given early on that really applies more to cats than dogs.

We recommend a regulated dog having the dose reduced by 20-25%. If the dog's blood sugar was still quite high on Vetsulin because he's not regulated yet, it might be appropriate not to reduce the dose at all.

But UTIs also raise blood sugar.

So we need more information.

Are you checking for ketones in urine tests with ketodiastix?

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