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c/reconstitution·posted 2 years ago by u/lurker_for_years

small win: mg/mL stopped being a problem at week 26

Explainer Clean Column ×4 Slow Clap ×3

Been lurking in c/semaglutide for about 5 months and finally have something worth posting.

Short version: week 20, 1.0mg, and mg/mL is the bit I still cannot get a straight answer on. I have read the wiki, I have read the last 23 threads, and the answers split roughly down the middle.

What I actually want to know is whether the people saying it does not matter have measured it, or whether it is just repeated confidently. Happy to be told I am overthinking this — I probably am — but I would rather overthink it now than at week 14.

3,301 up / 1,169 down74% upvoted23 commentsid f1l89f30 May 2024

23 comments

7 in this archive, depth 3

best — the order this archive was captured in

u/emil_okwuosa222 points·2 years ago

the concentration on the vial in marker is the most important step

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u/units_not_mgMOD131 points·2 years ago·edited

Removed a chain here. The rule is one line long and it is not negotiable.

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u/marisol_frisk147 points·2 years ago·edited

Titration speed is a side-effect dial far more than an efficacy dial.

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u/rosa_mensah91 points·2 years ago

bacteriostatic and sterile water are not interchangeable, do not use them that way

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u/vial_math_verasyringe math133 points·2 years ago

Cosigning. The concentration on the vial in marker is load-bearing.

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u/units_not_mgsyringe math72 points·2 years ago

Dead space in the needle hub holds a small but non-trivial volume. On low-volume draws that can be several units.

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u/elin_ferrari18 points·2 years ago

dosing errors come from people reconstituting two vials differently and forgetting which is which

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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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