Did I ruin my Lantus tonight?

Loquaciouslj

Member Since 2026
Hello .. NEED ADVICE, please. I just discovered your website/forum tonight. I am 3 weeks into a new diagnosis with my 14 year old female kitty. No problems with administering doses. Doing really well up to tonight. .. when I got distracted and VIGOROUSLY SHOOK my Lantus bottle!! It then had a skim of air bubbles on top. I went ahead and gave a dose (1 unit) to my cat with her meal, as usual, hoping it would still be effective. I was very clearly instructed to NOT ever shake an insulin bottle, and don’t know whether it will still have any efficacy for her morning dose tomorrow? Other than potentially being ineffective, is there any other harm to having used it for her dose tonight?

Her morning dose tomorrow will be needed before the pharmacy is open. If I need a new bottle, I won’t be able to get a new bottle until at least 2-3 hours after her dosing time (she is on 1 unit every 12 hours).

Is there any point in using the shaken bottle in the morning, or will it now be ineffective? If ineffective and I need to go to the pharmacy, what do I do about the several hours delay between the time her dose should be given and the time I could get the necessary insulin to give to her?

Thank you so much for any advice.
 
Hello .. NEED ADVICE, please. I just discovered your website/forum tonight. I am 3 weeks into a new diagnosis with my 14 year old female kitty. No problems with administering doses. Doing really well up to tonight. .. when I got distracted and VIGOROUSLY SHOOK my Lantus bottle!! It then had a skim of air bubbles on top. I went ahead and gave a dose (1 unit) to my cat with her meal, as usual, hoping it would still be effective. I was very clearly instructed to NOT ever shake an insulin bottle, and don’t know whether it will still have any efficacy for her morning dose tomorrow? Other than potentially being ineffective, is there any other harm to having used it for her dose tonight?

Her morning dose tomorrow will be needed before the pharmacy is open. If I need a new bottle, I won’t be able to get a new bottle until at least 2-3 hours after her dosing time (she is on 1 unit every 12 hours).

Is there any point in using the shaken bottle in the morning, or will it now be ineffective? If ineffective and I need to go to the pharmacy, what do I do about the several hours delay between the time her dose should be given and the time I could get the necessary insulin to give to her?

Thank you so much for any advice.
The insulin vial should never be shaken, place it between your palms and slowly roll it 3-4 time, are you home testing? it is important to test her before each shot to avoid hypoglycemia, you do not need a pet meter or expensive one, most members use a human monitor most use the Relion Premier and strips (Walmart) or any human will do., when you look at the bottom of the vial are there small particles crystal at the bottom,? is it very cloudy? these are signs of corrupted insulin, and f course testing your cat several times during the day to see how the insulin is reacting
 
With Lantus, there is no need to roll/mix the insulin. Lantus is fully in solution -- you don't see any separation. Maria gave you instructions for an insulin such as Prozinc, which is what she uses. (Prozinc is in suspension, not in solution.)

The only way to know if you damaged your Lantus is if you see what look like crystals floating in the insulin. I suspect you'll be fine but do keep an eye on the what the insulin looks like.
 
With Lantus, there is no need to roll/mix the insulin. Lantus is fully in solution -- you don't see any separation. Maria gave you instructions for an insulin such as Prozinc, which is what she uses. (Prozinc is in suspension, not in solution.)

The only way to know if you damaged your Lantus is if you see what look like crystals floating in the insulin. I suspect you'll be fine but do keep an eye on the what the insulin looks like.
Thank you. I had a $35 coupon for Lantus … to be safe I just replaced it today.
 
With Lantus, there is no need to roll/mix the insulin. Lantus is fully in solution -- you don't see any separation. Maria gave you instructions for an insulin such as Prozinc, which is what she uses. (Prozinc is in suspension, not in solution.)

The only way to know if you damaged your Lantus is if you see what look like crystals floating in the insulin. I suspect you'll be fine but do keep an eye on the what the insulin looks like.
I had been informed not to shake the vial .. it was a distraction/lack of sleep mistake. 😢 Don’t think it will happen again .. I was as shaken as the vial! Re-laced the insulin today .. only $35, and not worth the chance it might be compromised. Thank you for the information.
 
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