Guidelines for insulin shots for diabetic pets

I can’t think of a disease that causes more owner anxiety than diabetes. Something about having to give a shot twice a day, every day, to an animal you love is very daunting. Then you do it a couple times and suddenly, it’s a breeze! I’ll also answer the common question of “how far apart/early/late can I give the insulin?”

Insulin is kept in the refrigerator. Some pens made for humans can be left out for periods of time, but for the most part, plan on refrigerating the insulin. If you have a decent drive to the pharmacy or vet office, bring a little cooler to bring the insulin home. It needs to be gently mixed before each dose. Vetsulin, an insulin made specifically for dogs and cats, can be shaken like a polaroid picture. Other insulins need to be gently inverted in a rocking motion, not shaken like orange juice.

Your veterinarian will show you how to give shots, and make sure you get some practice with saline solution while still at the clinic! When I have clients practice in front of me, I can watch the fear leave their body after 1-2 practice shots. Nobody every needs a third – they walk out confidently! It’s 90% mental/fear, and once you get over it, you’re home free.

Here’s some pointers on shot-giving (hoping to have a video soon!):

  • Choose a super special treat or snack that your pet gets ONLY during the insulin shot. That ensures a happy pet, as well as one that is distracted (eating) and moving around less. For cats, a little tuna juice tends to work well. For dogs, a thin layer of peanut butter on a plate takes some time to clean up. We want our pets to associate the injection with something positive – many of my patients remind their owner it’s shot time!
  • We generally aim for the back, between the shoulder, but insulin can be given under the skin anywhere! Try not to hit the exact same place over and over. Some owners move it in a little circle on the back, some do a 4-corners approach. Do what works for you. You basically want a spot that has skin you can easily pinch.
  • Pinch the skin with your thumb and middle finger. That leaves your index finger free. If you’re right handed, do this with your left hand. Feel the “tent” of skin that forms from your pinching. That’s where the shot goes.
  • After drawing up the insulin and getting the bubbles out, hold the syringe with your thumb and middle finger, leaving your index finger free to depress the plunger.
  • Insert the needle completely into the skin. You can part the fur if you want, if the pet is super shaggy, but not a requirement. Once the needle is in, then depress the plunger to inject the insulin. Done!
  • Remove the syringe and dispose of safely. Warning! Yes, it is a tiny, wimpy needle. And yes, the plastic cover seems rather thick. Believe me when I say that tiny needle can bend and poke through that plastic cap, poking you and making you bleed like nobody’s business. (not that I’ve done that! LOL)
  • You may use an old milk jug or coffee can to keep used syringes. They are meant for one use, no more. I love the Safe Clip – it removes the (sharp!) needle and allows you to throw the syringe in the trash!
husky

Dogs and cats often have lots of extra skin on the back, just behind the neck.

If multiple people will be giving the shots, I suggest having a pow wow on measuring the insulin. 3 units to my eyes might look like 3.5 to yours. So, get everyone on the same page.

Pick a time (two times actually, 12 hours apart) and stick with it. Most people do 7 am/7pm or something similar. I have a client who works late and gives the insulin at midnight and noon! Do what works with your schedule. I often feed the animal first, make sure they eat, then give the insulin. Some veterinarians recommend giving the shot 30 minutes before a meal. That makes the most sense biologically, but then what if the pet doesn’t eat? You have insulin in them that you can’t get out! And now we worry about their blood sugar dropping too low. If we make sure they eat before giving the shot, that’s a non-issue.

Here’s how to handle other common questions:

  • You have 1 hour on either side of that time you chose to give the insulin shots. So if you chose 7 am/pm, then between 6 and 8 is acceptable. Obviously, giving it at 7:00 on the dot is ideal, but sometimes life gets in the way. Also, if you have to give it at 8 one time, do not make the next dose at 6. Try to get as close to 11-12 hours apart as you can.
  • If you have to give a shot earlier or later than that +/- 1 hour window, it’s better to skip that dose altogether. I’d rather have your pet have high blood sugar (not a huge deal) by missing an insulin shot than risk him getting too low (very bad!) by getting insulin shots too close together.
  • If you give a shot, and your pet moves, making you not so sure if it actually went in or not, don’t panic. Also, do not give another shot. Again, better to have a missed shot than to get a double dose!
  • If multiple people in the house are responsible for giving the shots, have a paper or dry erase board to check off when the shot was given, to avoid any double dosing.

How can you tell if it’s working? How do you know when to worry? Check out the rest of the Diabetes series:

Check out our podcast episode about diabetes. In an hour, we couldn’t even cover every detail, but you’ll learn and laugh with us along the way!

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Posted in Diabetes, Internal Medicine.

9 Comments

  1. Is there an insulin that can only be administer once a day ? My dog gets vetsulin 2x a day the needle registers” 8″? But lately hates getting the shots what can I do

    • Unfortunately, most insulins are twice a day. I have a handful of cats that can use a certain insulin once a day (at $300 a bottle) but no dogs. Try making the shot time super fun. Find a special treat he ONLY gets when he gets his shot, like licking cream cheese off a plate. Give him a reason to look forward to it!

  2. We have been giving our 13 year old cat insulin now for about one year, our problem is all her life we left dry food out for her and trying to have her eat only twice a day before insulin shots was not working. She would not eat enough or too much and her numbers were all over the place and we have had about 10 episodes of her going low (glucose was 35-45 each time) luckily one of us were home to administer keyo syrup to bring her glucose up. We finally went back to leaving dry food (vet’s prescription dry food) out 24-7 and she will eat on and off and have only had one low episode since then and that was more likely due to we were traveling and she did not eat enough before we gave her insulin. We discussed leaving food out with our Vet and she agreed it was the beast way to go. We monitor how much dry food she eats and as long as we see she has eaten a normal amount we give her insulin, now on 2-1/4 units which for now is working. This may work for some cat owners but of course discuss it with your Vet, we use Prozinc, we do not test before each shot but do test every few days to get baselines.

  3. Giving insulin shots to my dog leaves both him and me full with anxiety, could I possible transfer his insulin to a empty gelatin capsule and get his insulin into him that way, I am no stranger to insulin because I am diabetic myself, an 32 year. Health care provider , have giving shots many times, however when it comes. To my dog mom is the biggest softie , please let me know what I can do in any way that this is helping my dog and me to have our happy life back

    • It has to be injected, unfortunately, but try to make it fun! Smear a thin layer of peanut butter or cream cheese onto a plate that he can work on while you give the shot. And I promise, the more you do it, the more comfortable you’ll feel!

  4. I think you addressed this already but still want to ask your opinion. My dog is getting vetsulin twice a day. We started about two weeks ago with a 3 unit dose but he was checked yesterday and it is still high in the 300s ( it was 600+ before) so he’s now taking 4 units and will be checked again in two weeks.

    I’m giving the shots between 6:30-7 am after he eats his food. Then again at 6:30-7 pm after his meal. This has worked well so far but I’m stressing out because a week from now and have a birthday party for a close friend that im helping with and I have to leave the house at 4 pm the latest and will be gone for several hours. I’m guessing giving him a shot 2-2.5 hours early is not a good idea based on what you stated. Should I really not give him a shot that much early ? Or even that much late. I think I may come home past 10 pm. What do you suggest? Thanks.

  5. We have found out our male cat has got diabetes and we have to start insulin and I am a nervous wreck.I have never given a shot in my life and I am 67 years young.I have read up on it online but I am still so very wary. He gets pretty rilled at times and has not been declawed.Can you please help give me some peace of mind?

    • YOU CAN DO IT! I have a legally blind man giving his grumpy cat insulin! To make it less stressful for you both, I’d suggest a super special treat, like tuna juice, that you give while giving the shot, so your cat is happily distracted. And I always have owners give practice shots with saline with me watching so I can give feedback. After 1-2 shots, every owner’s confidence grows and they say “I got this.” Ask your vet or a tech to help you get some practice!

  6. Sam’s ( 120# Rottweiler) blood count runs in the 300s consistently no matter what we do. I’ve read as long as it’s the same and he’s doing well it’s all good. Once in a while, in 2 years I’ve been late by 2 hours with his shot. I hope is doesn’t hurt him. We love this rescue guy very very much. He’s has lost his eye sight due to Cataracs that we hope to correct soon. Catarac surgery very expensive for us. I’am looking for any Financial help I can get. If you have any ideas I would like to hear them. Thank you. Back to the original question, how late can you be with the shot…

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