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Devices · Pens & autoinjectors · continued

Pen dose counters: what a click does and does not guarantee posts 61–90

This is a continuation of a long topic, addressed by post number rather than by page. Start at post 1.

NS
n.szaboTL2 Moderator16 Nov 2025#61

post #60 is right about the mechanism and I think understates the practical bit.

Priming: most pens require priming before the first use (injecting a small amount to fill the needle and line). Not priming can result in no dose being delivered on the first injection.

0 likes 8mo
ID
integrator_draftTL3Regular16 Nov 2025 · edited#62
mira.patel, post #21: Off-label dosing with a pen: if you want to deliver a dose different from the pen's pre-set steps (e.g., halfway between two step doses), that is off-label use. Some pens allow it; others do not. Confirm before attempting. Go to post

Injection duration: most pens deliver the dose over several seconds. Holding the button down for the full duration ensures complete delivery. Releasing early can result in underdosing.

3 likes in reply to #21 8mo
YR
y.ramosTL2 Moderator16 Nov 2025#63

Reusability: some pens are single-use (throw away after one injection). Others can be reused until empty. Confirm which type you have. Reusing a single-use pen is ineffective because the mechanism does not reset.

11 likes 8mo
VK
v.klausenTL3Regular16 Nov 2025#64

I read post #62 twice before replying, because I had assumed the opposite.

Storage after first use: most pens can be stored at room temperature after first use, even if unrefrigerated, for a limited time (often 28 days). Check your specific pen's labelling.

24 likes 8mo
LC
l.cabreraTL2 Moderator17 Nov 2025#65

I disagree with the reply above, and I think the disagreement is substantive rather than terminological.

The distinction being drawn does not survive when you look at the published data for this specific question. I would be glad to be shown wrong on this, because the version I am arguing against is more convenient.

0 likes 8mo
AS
a.stephanopoulosTL3Regular17 Nov 2025#66
m.restrepo, post #29: post #28 answers the question as asked. The question underneath it is different. Reusability: some pens are single-use (throw away after one injection). Others can be reused until empty. Confirm which type you have. Reusing a single-use pen is ineffective because the mechanism does not reset. Go to post

Pen mechanics: most pens are dial-and-inject devices where you dial the dose on the pen and push the button to inject. Understanding your specific pen's mechanism prevents dose errors.

1 like in reply to #29 8mo
FI
f.ibarraTL2 Moderator17 Nov 2025#67

Picking up post #64: that is the part I would want checked first.

Dose counters: pens show the remaining number of doses. When the counter reaches zero, the pen is empty and cannot deliver more. Noting the counter before injection prevents running out unexpectedly.

7 likes 8mo
O
OkaforTL3Regular17 Nov 2025#68

Coming back to post #66, because the follow-up matters more than the original answer.

Priming: most pens require priming before the first use (injecting a small amount to fill the needle and line). Not priming can result in no dose being delivered on the first injection.

18 likes 8mo
MS
m.silvaTL2 Moderator17 Nov 2025#69
integrator_draft, post #62: Injection duration: most pens deliver the dose over several seconds. Holding the button down for the full duration ensures complete delivery. Releasing early can result in underdosing. Go to post

Off-label dosing with a pen: if you want to deliver a dose different from the pen's pre-set steps (e.g., halfway between two step doses), that is off-label use. Some pens allow it; others do not. Confirm before attempting.

0 likes in reply to #62 8mo
BP
b.petrovTL2 Moderator17 Nov 2025#70
n.ekstrom, post #9: This follows post #6 rather than contradicting it. Needle installation: some pens require a fresh needle for each injection; others have a single needle that stays attached. Check the design of your pen. Go to post

Needle installation: some pens require a fresh needle for each injection; others have a single needle that stays attached. Check the design of your pen.

0 likes in reply to #9 8mo
AS
a.salcedoTL3Regular17 Nov 2025 · edited#71
m.silva, post #69: Off-label dosing with a pen: if you want to deliver a dose different from the pen's pre-set steps (e.g., halfway between two step doses), that is off-label use. Some pens allow it; others do not. Confirm before attempting. Go to post

Coming back to post #69, because the follow-up matters more than the original answer.

Visibility of the dose: some pens allow you to see the insulin remaining; others do not. Keeping track using the dose counter is important if visibility is limited.

3 likes in reply to #69 8mo
KH
ka.haddadTL2 Moderator17 Nov 2025#72

Pen confusion between compounds: if you are using multiple pens or alternating pens, confirming you have the correct pen before injection prevents administration errors. Check the label every time.

0 likes 8mo
FA
f.abrahamsenTL2Member17 Nov 2025#73

Priming: most pens require priming before the first use (injecting a small amount to fill the needle and line). Not priming can result in no dose being delivered on the first injection.

30 likes 8mo
SB
s.beaulieuTL2 Moderator17 Nov 2025#74

post #73 answers the question as asked. The question underneath it is different.

Dose counters: pens show the remaining number of doses. When the counter reaches zero, the pen is empty and cannot deliver more. Noting the counter before injection prevents running out unexpectedly.

15 likes 8mo
GH
g.haalandTL3Regular17 Nov 2025#75
s.grahame, post #7: Reusability: some pens are single-use (throw away after one injection). Others can be reused until empty. Confirm which type you have. Reusing a single-use pen is ineffective because the mechanism does not reset. Go to post

Pen mechanics: most pens are dial-and-inject devices where you dial the dose on the pen and push the button to inject. Understanding your specific pen's mechanism prevents dose errors.

1 like in reply to #7 8mo
ID
il.dumitruTL2 Moderator17 Nov 2025#76

Pen confusion between compounds: if you are using multiple pens or alternating pens, confirming you have the correct pen before injection prevents administration errors. Check the label every time.

0 likes 8mo
O
OkaforTL3Regular17 Nov 2025#77

Worth separating two things that post #73 runs together.

Two things before anyone answers the substance.

First, the context in the first post is clear and specific. Second, the question is framed so that an answer can actually address it. Both are the norm here and both matter more than they sound.

22 likes 8mo
IO
i.oseiTL2 Moderator17 Nov 2025#78
dexa_twice_yearly, post #33: Worth separating two things that post #29 runs together. Priming: most pens require priming before the first use (injecting a small amount to fill the needle and line). Not priming can result in no dose being delivered on the first injection. Go to post

post #77 is right about the mechanism and I think understates the practical bit.

Needle installation: some pens require a fresh needle for each injection; others have a single needle that stays attached. Check the design of your pen.

10 likes in reply to #33 8mo
FA
f.amankwahTL2 Moderator17 Nov 2025#79

Off-label dosing with a pen: if you want to deliver a dose different from the pen's pre-set steps (e.g., halfway between two step doses), that is off-label use. Some pens allow it; others do not. Confirm before attempting.

0 likes 8mo
EP
e.piresTL2 Moderator18 Nov 2025#80

Injection duration: most pens deliver the dose over several seconds. Holding the button down for the full duration ensures complete delivery. Releasing early can result in underdosing.

31 likes 8mo
HK
h.koodziejTL2Member18 Nov 2025#81

This follows post #78 rather than contradicting it.

I disagree with the reply above, and I think the disagreement is substantive rather than terminological.

The distinction being drawn does not survive when you look at the published data for this specific question. I would be glad to be shown wrong on this, because the version I am arguing against is more convenient.

1 like 8mo
TD
t.demirTL2 Moderator18 Nov 2025#82

I read post #80 twice before replying, because I had assumed the opposite.

Reusability: some pens are single-use (throw away after one injection). Others can be reused until empty. Confirm which type you have. Reusing a single-use pen is ineffective because the mechanism does not reset.

7 likes 8mo
TI
trough_indexTL318 Nov 2025#83
EM
e.mwangiTL2 Moderator18 Nov 2025#84
j.lokken, post #53: Injection duration: most pens deliver the dose over several seconds. Holding the button down for the full duration ensures complete delivery. Releasing early can result in underdosing. Go to post

Storage after first use: most pens can be stored at room temperature after first use, even if unrefrigerated, for a limited time (often 28 days). Check your specific pen's labelling.

0 likes in reply to #53 8mo
NB
n.bridgewaterTL2Member18 Nov 2025 · edited#85

Off-label dosing with a pen: if you want to deliver a dose different from the pen's pre-set steps (e.g., halfway between two step doses), that is off-label use. Some pens allow it; others do not. Confirm before attempting.

4 likes 8mo
HF
h.fonsecaTL2 Moderator18 Nov 2025#86

Coming back to post #84, because the follow-up matters more than the original answer.

Injection duration: most pens deliver the dose over several seconds. Holding the button down for the full duration ensures complete delivery. Releasing early can result in underdosing.

12 likes 8mo
VM
v.milanoviTL3Regular18 Nov 2025#87

post #86 answers the question as asked. The question underneath it is different.

Dose counters: pens show the remaining number of doses. When the counter reaches zero, the pen is empty and cannot deliver more. Noting the counter before injection prevents running out unexpectedly.

33 likes 8mo
NL
ne.laurentTL2 Moderator18 Nov 2025#88
y.asante, post #47: For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use. Go to post

Priming: most pens require priming before the first use (injecting a small amount to fill the needle and line). Not priming can result in no dose being delivered on the first injection.

0 likes in reply to #47 8mo
CR
c.ramosTL2 Moderator18 Nov 2025#89

Reusability: some pens are single-use (throw away after one injection). Others can be reused until empty. Confirm which type you have. Reusing a single-use pen is ineffective because the mechanism does not reset.

7 likes 8mo
SL
s.leclercTL418 Nov 2025#90