Practice · subcategory

Administration

Technique, needle selection, site rotation, injection discomfort, and what to do about a missed or partial dose.

33 topics1,473 posts5 solved Moderators: KLindqvist, dr_okonkwo About this category

subcutaneous injection injection site rotation needle gauge & length missed dose injection site reaction aseptic technique

33 topics · page 1 of 2

Topic	Participants	Replies	Views	Activity
Angle of injection and whether 90 degrees is always right — the long version injection site reaction needle gauge & length injection site rotation missed dose Pinned 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
About the Administration category subcutaneous injection injection site rotation needle gauge & length Pinned Wiki Closed Technique, needle selection, site rotation, injection discomfort, and what to do about a missed or partial dose. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit…	+5	9	3.1k	12mo
Rotating between abdomen, thigh and upper arm: absorption differences — one year on injection site reaction needle gauge & length aseptic technique injection site rotation 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 missed dose injection site reaction injection site rotation aseptic technique 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
A site rotation scheme that is easy enough to actually follow — a second dataset subcutaneous injection needle gauge & length injection site rotation missed dose 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
A site rotation scheme that is easy enough to actually follow needle gauge & length missed dose injection site rotation aseptic technique On the subject in the title: A site rotation scheme that is easy enough to actually follow Working notes rather than a conclusion. Practical question with the units stated, because I have seen how quickly…	+112	125	5.8k	21h
Completing a dose with a second syringe, and the dead-volume arithmetic aseptic technique subcutaneous injection missed dose needle gauge & length Wiki 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
Pinch or no pinch, and how needle length changes the answer — what changed since missed dose aseptic technique injection site rotation Solved Posting this under the heading it deserves: Pinch or no pinch, and how needle length changes the answer — what changed since Everything below is what sits behind that. I have read the maintained page on this…	+58	62	16k	1d
Drawing up with one needle and injecting with another injection site rotation missed dose aseptic technique subcutaneous injection 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
Second pass at: Leak-back after withdrawal and whether you lost a meaningful dose subcutaneous injection needle gauge & length missed 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
Cold solution and stinging: the simplest fix injection site rotation subcutaneous injection missed dose 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
Pinch or no pinch, and how needle length changes the answer — the long version injection site rotation injection site reaction missed dose aseptic technique On the subject in the title: Pinch or no pinch, and how needle length changes the answer — the long version Working notes rather than a conclusion. I have read the maintained page on this and I still have a…	+75	79	1.5k	1mo
Injecting into an area that has become firm: why not to subcutaneous injection injection site rotation injection site reaction aseptic technique Solved 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 subcutaneous injection injection site reaction needle gauge & length aseptic 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
Revisiting: Drawing up with one needle and injecting with another subcutaneous injection injection site reaction needle gauge & length missed dose 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? injection site rotation missed dose aseptic technique subcutaneous injection Wiki 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
Angle of injection and whether 90 degrees is always right aseptic technique missed dose injection site reaction On the subject in the title: Angle of injection and whether 90 degrees is always right Working notes rather than a conclusion. Reporting something rather than asking about it, in case the pattern is useful to…	+105	116	5.4k	4mo
Rotating between abdomen, thigh and upper arm: absorption differences injection site reaction needle gauge & length missed dose aseptic technique On the subject in the title: Rotating between abdomen, thigh and upper arm: absorption differences Working notes rather than a conclusion. Reporting something rather than asking about it, in case the pattern…		2	3.5k	5mo
A genuinely late dose: what the labelling says and what people do injection site rotation missed dose needle gauge & length injection site reaction On the subject in the title: A genuinely late dose: what the labelling says and what people do Working notes rather than a conclusion. Reporting something rather than asking about it, in case the pattern is…		2	18k	5mo
Follow-up: "Should I double up?" — answered once, at length, calmly needle gauge & length aseptic technique injection site rotation subcutaneous injection 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
A genuinely late dose: what the labelling says and what people do — what changed since subcutaneous injection missed dose needle gauge & length injection site rotation Solved 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 subcutaneous injection needle gauge & length injection site rotation missed dose Solved 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
Bleeding at the injection site: normal, and what to do about it injection site reaction aseptic technique subcutaneous injection injection site rotation Solved Bleeding at the injection site: normal, and what to do about it — 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…		3	59k	8mo
"Should I double up?" — answered once, at length, calmly subcutaneous injection missed dose injection site reaction "Should I double up?" — answered once, at length, calmly — 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 these…	+24	28	13k	9mo
Injecting into an area that has become firm: why not to — does this still hold? injection site rotation aseptic technique missed dose subcutaneous injection Asking directly, because I could not find a straight answer: Injecting into an area that has become firm: why not to — does this still hold? I have read the maintained page on this and I still have a gap, so…		2	49k	9mo
Pinch or no pinch, and how needle length changes the answer injection site reaction aseptic technique needle gauge & length missed dose Pinch or no pinch, and how needle length changes the answer 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 and I still have a gap,…	+118	126	11k	9mo
Injection discomfort: needle gauge, volume, temperature, technique — one year on missed dose aseptic technique injection site rotation needle gauge & length Posting this under the heading it deserves: Injection discomfort: needle gauge, volume, temperature, technique — one year on Everything below is what sits behind that. Practical question with the units…		2	102	9mo
[2026 update] Cold solution and stinging: the simplest fix subcutaneous injection needle gauge & length aseptic technique injection site reaction Cold solution and stinging: the simplest fix — setting out what I have, and where I think it stops being reliable. Reporting something rather than asking about it, in case the pattern is useful to anyone…	+6	10	496	11mo
Revisiting: Completing a dose with a second syringe, and the dead-volume arithmetic subcutaneous injection aseptic technique needle gauge & length injection site reaction Closed Revisiting: Completing a dose with a second syringe, and the dead-volume arithmetic 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…	+16	20	56k	12mo
Bleeding at the injection site: normal, and what to do about it — does this still hold? injection site rotation aseptic technique subcutaneous injection needle gauge & length Bleeding at the injection site: normal, and what to do about it — does this still hold? — that is the question, and I have not found it answered plainly anywhere I have looked. Reporting something rather than…	+20	24	16k	15mo

Sponsored PeptideMeter — peptide analytics and supplier verificationPurity analysis and structured supplier verification, published as dated records rather than scores. Referenced throughout our sourcing documentation.View analytics →