Transdermal B12 for Cats: How to Give a Cat a B12 Shot in Hind Leg Area

Last Updated on July 8, 2021 by Jenny

I took this video during Caymus’ most recent visit to the vet. Our all cat vet has suggested that my mom give her 14-year old (almost 15) Ragdoll cats, Caymus and Murphy, B12 injections once a week due to their early stage renal disease. 10 years ago, I gave Rags B12 shots behind his neck – and now they suggest behind the hind leg for quicker absorption.


I took this video mostly for my mom and I to reference when we are giving him the injections, but thought it might help someone else, so am sharing it on the site.

Have you ever given your kitty routine B12 shots?  What for?

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5 thoughts on “Transdermal B12 for Cats: How to Give a Cat a B12 Shot in Hind Leg Area

  1. simone says:

    Very well explained.
    Recently I read about taking another spot for shots because it seems the neck area isn’t the best place at all. Way to tender, more then we think, and as I recall something with the muscles there and it seems there is more chance of cancer developing after a shot.
    Well that got my attention.
    It’s a very nasty shots by the way. If it is nasty at humans it must be with cats as well… but it’s for a good cause.
    What a good boy Caymus is over here. Not a sound…

    • Jenny says:

      Yes, I understand that for shots – but these are subcutaneous (under the skin) – they are not going into their muscles, like vaccinations would be – and that’s why the neck is no longer the place to do it for vaccinations. With a subcutaneous injection, a needle is inserted just under the skin.

  2. Patti Johnson says:

    Super pawesome & fabulous instructional video & post, Jenny! So glad Caymus is responding well to his treatment with the B12 shots to help with his renal failure management. Great job with this! 🙂 <3

    Big hugs & lots of love!

    Patti & Miss Pink Sugarbelle 🙂 <3 <3 <3

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