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c/reconstitution·posted 11 months ago by u/elin_ferrari

[Meta] proposal — a flair for units posts

PSA Receipts ×1 Well Actually ×2 Cold Box ×3

mg/mL. That is the whole post, but I will justify it.

Everything else people worry about in c/glp1muscle is downstream of it. Titration speed, muscle cramps, the endless dose arguments — most of it resolves if you sort mg/mL out first, and almost nobody does.

I say this having got it wrong for 16 months. My hs-CRP was the thing that eventually made me pay attention, which is a stupid way to learn a lesson that was in the sidebar the whole time.

6,258 up / 1,171 down84% upvoted35 commentsid 16lwv927 Aug 2025

35 comments

8 in this archive, depth 4

best — the order this archive was captured in

u/gradient_goblin544 points·11 months ago

Reconstituted at 2mL when I meant 18mL. Caught it because the units looked wrong. Write the concentration.

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u/elin_ferrariOP378 points·11 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/swirl_dont_shakereconstitution120 points·11 months ago

Yeah, showing the arithmetic is the fastest way for someone to spot the error.

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u/yusuf_achebe120 points·11 months ago

never post a calculation as advice without stating the concentration

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u/iman_falk26 points·11 months ago

This is correct. 2mL versus 22mL is the common mistake.

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u/escrow_evangelist31 points·11 months ago

Yeah, showing the arithmetic is the fastest way for someone to spot the error.

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u/emil_wojcik366 points·11 months ago

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

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u/elin_ferrariOP529 points·11 months ago

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

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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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