Advise Needed - asking vet about switching to Lantus

ArchieB

ArchieB

Member Since 2025
I am going to ask my vet about switching to Lantus from Vetsulin and I wanted to see if anyone could take a look at Archie's speadsheet and help me provide explanation why it would be worth the switch. I am still learning but from what I can tell his Vetsulin is wearing off around 8 hours and Lantus should last 12. Is there anything else in his numbers that has the potential to improve by switching?

He was diagnosed in early December 2025. We increased his dose of vetsulin to 2U last week. Just did a curve yesterday.

Thank you!
 
Vetsulin hits hard and fast and causes some steep drops. It also doesn't last the full 12 hours in a cat. Those steep drops can cause a lot of bouncing, plus I imagine it can't feel good for him. Lantus is a much more gentle insulin and lasts longer. Meaning that it results in flatter cycles and the cat spending more time in healing blood sugar numbers. The possibility of diabetic remission would be higher, should that be a goal of yours.

My Neko started on Caninsulin, what Vetsulin is called elsewhere in the world. Both of us were happier with the switch to Lantus. The vial lasts longer for one thing. It might even be cheaper to buy and you can get it at regular pharmacies. We got to use syringes with smaller gauge needles, making giving shots easier for both of us.

Right now Archie seems to getting as low as 78 on 2 units on that Alphatrak. That is lower than our dosing methods recommend which would suggest lowering his dose to 1.75 units for safety.
 
Wendy&Neko said:
Vetsulin hits hard and fast and causes some steep drops. It also doesn't last the full 12 hours in a cat. Those steep drops can cause a lot of bouncing, plus I imagine it can't feel good for him. Lantus is a much more gentle insulin and lasts longer. Meaning that it results in flatter cycles and the cat spending more time in healing blood sugar numbers. The possibility of diabetic remission would be higher, should that be a goal of yours.

My Neko started on Caninsulin, what Vetsulin is called elsewhere in the world. Both of us were happier with the switch to Lantus. The vial lasts longer for one thing. It might even be cheaper to buy and you can get it at regular pharmacies. We got to use syringes with smaller gauge needles, making giving shots easier for both of us.

Right now Archie seems to getting as low as 78 on 2 units on that Alphatrak. That is lower than our dosing methods recommend which would suggest lowering his dose to 1.75 units for safety.
Click to expand...
Thank you! My vet reviewed Archie's spreadsheet and agreed that we can try switching to Lantus. He said to start at 1.5U Does that sound right for a starting dose since he has already been on 2U vetsulin?
 
1.5 units sounds like a good starting point. 2.0 would be too much.Make sure you switch when you can watch closely for a few cycles. Some cats have a strong reaction to the insulin change.

You will need U-100 syringes before you switch.
 
Wendy&Neko said:
1.5 units sounds like a good starting point. 2.0 would be too much.Make sure you switch when you can watch closely for a few cycles. Some cats have a strong reaction to the insulin change.

You will need U-100 syringes before you switch.
Click to expand...
Thank you for your help
 
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