Tags · Practice
subcutaneous injection
Technique, angle, pinch and depth.
Related in this group: reconstitution · bacteriostatic water · sterile water · concentration maths · syringe units · dead volume · titration · dose reduction · missed dose · injection site rotation · needle gauge & length · storage
55 topics · page 1 of 2
| Topic | Participants | Replies | Views | Activity |
|---|---|---|---|---|
|
Rotating between abdomen, thigh and upper arm: absorption differences — one year on
Rotating between abdomen, thigh and upper arm: absorption differences — one year on — setting out what I have, and where I think it stops being reliable. I have read the maintained page on this and I still…
|
+82 | 102 | 24k | just now |
|
Leak-back after withdrawal and whether you lost a meaningful dose
Posting this under the heading it deserves: Leak-back after withdrawal and whether you lost a meaningful dose Everything below is what sits behind that. Reporting something rather than asking about it, in…
|
2 | 3k | 3h | |
|
Revisiting: Drawing from a pen cartridge with a syringe: how the risk profile changes
Revisiting: Drawing from a pen cartridge with a syringe: how the risk profile changes Writing it up because I had to work it out twice and would rather nobody else did. I have read the maintained page on this…
|
2 | 18k | 6h | |
|
A site rotation scheme that is easy enough to actually follow — a second dataset
A site rotation scheme that is easy enough to actually follow — a second dataset Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated,…
|
+6 | 10 | 1.2k | 7h |
|
Fixed versus detachable needles: the trade-offs — does this still hold?
Fixed versus detachable needles: the trade-offs — does this still hold? I have a specific reason for asking rather than idle curiosity, and the context is below. A question about technique rather than about…
|
+8 | 12 | 39k | 15h |
|
Why a pen's dose steps are fixed and what that costs you
The question in the title: Why a pen's dose steps are fixed and what that costs you I will give what I have already checked below so nobody repeats it. I have read the maintained page on this and I still have…
|
4 | 2.5k | 23h | |
|
Completing a dose with a second syringe, and the dead-volume arithmetic
Posting this under the heading it deserves: Completing a dose with a second syringe, and the dead-volume arithmetic Everything below is what sits behind that. I have read the maintained page on this and I…
|
+65 | 76 | 7.4k | 1d |
|
Reading U-100 graduations, with a conversion table
Posting this under the heading it deserves: Reading U-100 graduations, with a conversion table Everything below is what sits behind that. Practical question with the units stated, because I have seen how…
|
+35 | 41 | 2k | 1d |
|
Drawing up with one needle and injecting with another
On the subject in the title: Drawing up with one needle and injecting with another Working notes rather than a conclusion. Practical question with the units stated, because I have seen how quickly these go…
|
+1 | 5 | 6.9k | 1d |
|
Angle of injection and whether 90 degrees is always right — the long version
Angle of injection and whether 90 degrees is always right — the long version Writing it up because I had to work it out twice and would rather nobody else did. Reporting something rather than asking about it,…
|
+50 | 55 | 15k | 2d |
|
0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters
0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters — setting out what I have, and where I think it stops being reliable. Practical question with the units stated, because I have seen how quickly…
|
+104 | 114 | 6k | 6d |
|
Second pass at: Leak-back after withdrawal and whether you lost a meaningful dose
Second pass at: Leak-back after withdrawal and whether you lost a meaningful dose — setting out what I have, and where I think it stops being reliable. Reporting something rather than asking about it, in case…
|
+18 | 22 | 2k | 25d |
|
Reading a syringe in poor light, and how to avoid needing to — what changed since
Posting this under the heading it deserves: Reading a syringe in poor light, and how to avoid needing to — what changed since Everything below is what sits behind that. I have read the maintained page on this…
|
+3 | 7 | 27k | 27d |
|
Cold solution and stinging: the simplest fix
Posting this under the heading it deserves: Cold solution and stinging: the simplest fix Everything below is what sits behind that. Reporting something rather than asking about it, in case the pattern is…
|
+35 | 39 | 8.2k | 30d |
|
Injecting into an area that has become firm: why not to
Injecting into an area that has become firm: why not to Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I have seen how…
|
+82 | 92 | 26k | 1mo |
|
Injection discomfort: needle gauge, volume, temperature, technique
Injection discomfort: needle gauge, volume, temperature, technique — setting out what I have, and where I think it stops being reliable. Practical question with the units stated, because I have seen how…
|
+66 | 71 | 14k | 2mo |
|
Reading U-100 graduations, with a conversion table — what changed since
Reading U-100 graduations, with a conversion table — what changed since Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I…
|
2 | 10k | 2mo | |
|
[2026 update] 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters
On the subject in the title: 0.3 mL versus 0.5 mL versus 1 mL barrels: resolution matters Working notes rather than a conclusion. Practical question with the units stated, because I have seen how quickly…
|
+108 | 124 | 27k | 2mo |
|
Reading U-100 graduations, with a conversion table — one year on
Reading U-100 graduations, with a conversion table — one year on Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I have…
|
+3 | 7 | 662 | 4mo |
|
Revisiting: Drawing up with one needle and injecting with another
Revisiting: Drawing up with one needle and injecting with another Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I have…
|
+76 | 83 | 1.1k | 4mo |
|
Air bubbles in a subcutaneous injection: the honest risk assessment — does this still hold?
Asking directly, because I could not find a straight answer: Air bubbles in a subcutaneous injection: the honest risk assessment — does this still hold? Reporting something rather than asking about it, in…
|
+21 | 30 | 20k | 4mo |
|
Follow-up: "Should I double up?" — answered once, at length, calmly
On the subject in the title: "Should I double up?" — answered once, at length, calmly Working notes rather than a conclusion. I have read the maintained page on this and I still have a gap, so I am asking…
|
2 | 9.7k | 5mo | |
|
Dead volume across syringe and needle combinations
On the subject in the title: Dead volume across syringe and needle combinations Working notes rather than a conclusion. Practical question with the units stated, because I have seen how quickly these go wrong…
|
+72 | 80 | 28k | 5mo |
|
Filter needles: when they help and what they cost you
On the subject in the title: Filter needles: when they help and what they cost you Working notes rather than a conclusion. A question about technique rather than about dose. I have been doing the same thing…
|
+45 | 50 | 19k | 5mo |
|
Coming back to: Pen dose counters: what a click does and does not guarantee
Pen dose counters: what a click does and does not guarantee — setting out what I have, and where I think it stops being reliable. A question about technique rather than about dose. I have been doing the same…
|
4 | 105 | 5mo | |
|
A pen that felt like it delivered nothing: diagnosing it afterwards
On the subject in the title: A pen that felt like it delivered nothing: diagnosing it afterwards Working notes rather than a conclusion. A question about technique rather than about dose. I have been doing…
|
+35 | 39 | 584 | 6mo |
|
Pen mechanics when the cartridge is nearly empty — does this still hold?
Asking directly, because I could not find a straight answer: Pen mechanics when the cartridge is nearly empty — does this still hold? Practical question with the units stated, because I have seen how quickly…
|
+37 | 47 | 61k | 6mo |
|
A genuinely late dose: what the labelling says and what people do — what changed since
A genuinely late dose: what the labelling says and what people do — what changed since — setting out what I have, and where I think it stops being reliable. I have read the maintained page on this and I still…
|
+9 | 13 | 474 | 6mo |
|
A partial dose because the pen emptied mid-injection
A partial dose because the pen emptied mid-injection Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I have seen how…
|
+108 | 120 | 1.5k | 7mo |
|
Gauge and length selection for subcutaneous injection
Gauge and length selection for subcutaneous injection Writing it up because I had to work it out twice and would rather nobody else did. Practical question with the units stated, because I have seen how…
|
+50 | 55 | 1.3k | 8mo |
Sponsored
Janoshik Analytical — independent third-party testingHPLC purity and mass-spectrometric identity on submitted samples, reported with the method stated. The laboratory most often cited in this community’s verification records.Independent testing →
Sponsored
GL Biochem (Shanghai) Ltd. — synthesis, directFounded 1998. ISO 9001 and cGMP certified, over 1,500 staff and 200-plus patents. Custom peptide synthesis and amino acid derivatives, with a batch certificate on every order.Custom synthesis →