B12 IM injection : What size needle do... - Pernicious Anaemi...

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B12 IM injection

Jm333 profile image
10 Replies

What size needle do I need for a IM Vit B12 injection please? I have 21g (0.8mm x 40mm) and 23g (0.6mm x 25mm)...

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Jm333
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10 Replies

I use 23 to draw the b12 from the ampoules then change to 21 to do the injection x

in reply to

I recommend you buy the ampoules snapper from amazon it’s just over three quid ,makes it so much easier to snap then leave container in it to draw up with your syringe good luck x

Nackapan profile image
Nackapan in reply to

Is it not the other way round ??

Nackapan profile image
Nackapan in reply to

Other way round I think. Blue 23 G for IM

Green 21G for drawing up

in reply toNackapan

Oops apologies jm333 well spotted Nackapan ty for correction.x

Jm333 profile image
Jm333 in reply toNackapan

Thanks that’s what I did brilliant all sorted ...so now to do our daughters next 👍🏻

in reply toJm333

Well done x

in reply toNackapan

I have just started IM injections and had spot of blood on thigh after injection. Using blue needle 23G 1 1/4 inch, is this too big?

Nackapan profile image
Nackapan in reply to

I dont think so .

Start a new thread with the question.

I have the same size needle (blue)used by the nurse . Not sure of length. I thought it was 11/2"

I do sc at home

A tiny bit of blood fine . I get that with sc and ill at times

Nackapan profile image
Nackapan in reply toNackapan

I M that should've said!

I also do get ill!

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