The Peptide CommonsEst. May 2024
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Tags · Practice

subcutaneous injection

Technique, angle, pinch and depth.

55 topics 13 solved Synonyms: sc-injection Group: Practice

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

TopicParticipantsRepliesViewsActivity
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…
ITTTBCSTN+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…
SDJPB 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…
IDRSNG 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,…
PSKRBCWKK+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…
CVFHKRZSUC+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…
EMBVIABDNK 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…
FPRMNSLMR+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…
YERDKFKVKP+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…
KFIDFIOCH+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,…
GRIBOFSOCT+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…
KABVRCTAK+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…
NASKELZADW+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…
FSCILDCDHA+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…
ATJRCTDBTD+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…
FVNOCLMNLE+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…
CVSPAPARDN+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…
MBPOCO 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…
MKBPNHAAV+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…
AICDSBGHNN+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…
FRCTPFBSO+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…
EFBTSVSBAC+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…
ICMRSC 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…
ECCOFWWNJF+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…
FWSFECRMTT+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…
GLEAICLPK 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…
AZFWDSRFOO+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…
YASKJNAKRJ+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…
HBDVJEMHMK+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…
IDAWIBB+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…
NVARNSOBHM+50 55 1.3k 8mo