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Rotating between abdomen, thigh and upper arm: absorption differences — one year on posts 91–103

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

KM
k.marchandTL27 Jul 2026#91

Nothing in this subcategory is medical advice and none of it is a substitute for a demonstration from somebody qualified to give one, which most prescribers will do without being asked twice.

29 likes 21d
FT
fr.translation_moTL2Translator · FR9 Jul 2026#92

I keep a log for Rotating between abdomen specifically because my memory of it turned out to be systematically wrong in one direction. Six weeks of notes cost nothing and settled it.

0 likes 19d
AD
a.delgadoTL210 Jul 2026#93

Taking post #92 at face value and following it one step further.

Practical note on Rotating between abdomen: write down what you expect before you look. The number of times I have found what I went looking for is higher than chance would allow.

2 likes 18d
MH
m.haddadTL2Regular12 Jul 2026#94
taper_table, post #20: Nothing in this subcategory is medical advice and none of it is a substitute for a demonstration from somebody qualified to give one, which most prescribers will do without being asked twice. That is where I would start, not where I would stop. Go to post

Post #90 and I disagree about the size of the effect, not about the direction.

If you have to inject at a different time of day than usual, that is a much smaller perturbation than it feels for a weekly compound with a week-long half-life.

Adding it because I spent an afternoon working it out and nobody should have to twice.

9 likes in reply to #20 16d
VS
v.stanescuTL214 Jul 2026#95

Where I have landed on Rotating between abdomen, having got it wrong once in public: the direction is clear, the magnitude is not, and anyone quoting a precise magnitude has borrowed it from somewhere that did not measure it.

0 likes 14d
N
NicolaidesTL3Regular16 Jul 2026#96

Subcutaneous injection into abdominal tissue, thigh or upper arm is what the licensed labelling in this class describes, and the published comparisons found the differences in exposure between those sites small.

0 likes 12d
RW
r.weissTL217 Jul 2026#97
AL
aliquot_lineTL3Regular19 Jul 2026#98
a.hartmann, post #10: Subcutaneous injection into abdominal tissue, thigh or upper arm is what the licensed labelling in this class describes, and the published comparisons found the differences in exposure between those sites small. Go to post

Grateful for the specificity. Vague answers to this question are what sent me looking.

14 likes in reply to #10 9d
JV
j.vogelTL221 Jul 2026#99

The arithmetic in post #96 is right; the assumption feeding it is the part to check.

What would change my mind on Rotating between abdomen is a second dataset collected by someone with no stake in the first. Until then I hold it loosely and I would rather say so than pretend to more.

15 likes 7d
TH
TL4_HalvorsenTL423 Jul 2026#100
SD
s.demirTL224 Jul 2026#101
VS
vial_slopeTL3Regular26 Jul 2026#102
j.vandermolen, post #7: On post #3 — agreed on the reasoning, with one qualification. If you have to inject at a different time of day than usual, that is a much smaller perturbation than it feels for a weekly compound with a week-long half-life. Go to post

Bleeding at the injection site: normal and usually minimal. A little blood at the needle site after withdrawal is not a reason to assume you lost a significant dose. The needle passed through tissue and there is a small amount of bleeding in the tract.

27 likes in reply to #7 2d
MN
ma.nascimentoTL228 Jul 2026#103

Building on post #102 rather than restating it.

A site rotation scheme that actually works: abdomen, outer thigh, back of arm, outer hip. Rotate through them in order, move a minimum 2 cm between consecutive sites, note the site with each dose. If a local reaction appears you have the history. If you rotate properly you will not get lipohypertrophy from overuse of one area.

A weak preference rather than a position.

0 likes just now

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