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c/reconstitution·submitted 2 months ago by u/yusuf_nakamura

insulin syringe is the most under-discussed thing in c/sideeffects

Explainerbranch of 11 comments

Right, the mg/mL question again, but with numbers this time. I have 20 data points over 18 weeks. The pattern is consistent enough that I do not think it is chance, and boring enough that nobody is going to screenshot it, which is usually a good sign. The thing I would flag for anyone new: the effect I am describing…

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11 comments, started 2 months ago
u/RetaAndRegret2120 points·2 months ago

Cored the stopper on my 23th draw because I kept using the same entry point. Rotate the puncture site.

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u/clara_weiss-13 points·2 months ago

You have restated the marketing copy. What is the actual substance here.

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u/signe_grimaldi1 point·2 months ago

You have restated the marketing copy.

Counter-anecdote: opposite result, same dose. Which mostly tells us the variance is huge.

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u/yusuf_nakamuraOP1 point·2 months ago

The single most useful thing I did was write the concentration on the vial. Stopped all the confusion after that.

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u/vial_math_veraMOD61 points·2 months ago

Flair changed to match the content. Read the sidebar before posting next time and we are square.

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u/tuva_kirchner33 points·2 months ago

show your working or it is unhelpful

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u/units_not_mgsyringe math31 points·2 months ago

Are you using a u-100 or u-40 syringe? That changes everything.

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u/niels_roos13 points·2 months ago

more water means more units for the same dose, which means finer resolution

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u/ilias_steiner25 points·2 months ago

never post a calculation as advice without stating the concentration

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u/hedda_adeyemi14 points·2 months ago

i am begging people to write down the concentration

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u/andres_sorensen32 points·2 months ago

stopper coring on the 15th draw because you keep using the same entry point. rotate.

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About c/reconstitution

The arithmetic and the technique. Bacteriostatic versus sterile water, reconstitution volume as a concentration choice, converting mg/mL into insulin-syringe units, dead space, swirl-not-shake, stopper coring, and how long a reconstituted vial is actually good for. Math errors get corrected fast and politely.

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