vialroom

#injection-technique 2026-04-07

Tuesday31 messages8 participantstimes are UTC
Highlights from this day
  • taper_or_not — does injecting a cold vial hurt more or am i imagining it 22:48
  • two_eight_c — update from 3 months ago: switched to a fixed rotation and the site reactions stopped pinch, 45 degrees, count to five, withdraw slowly. two years and almost no… 22:55
  • tga_notice — never recap a used pin. that is how people stick themselves, still working it out 23:15
TO

does injecting a cold vial hurt more or am i imagining it

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TE

31G 8mm for everything. i tried the 12.7mm once and never went back

i have eight sites and an eight week rotation. it is written on the fridge

SD

i mark the rotation in a notes app because the marks fade and i lost track twice

TE

update from 3 months ago: switched to a fixed rotation and the site reactions stopped
pinch, 45 degrees, count to five, withdraw slowly. two years and almost no bruising

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TE

warming the vial in your hand for a minute is the cheapest comfort improvement there is

🧊1🔥1❤️5
TO

abdomen two inches out from the navel, avoiding anything that has been injected in the last month

i keep the sharps bin next to the fridge so the whole thing happens in one place

a fresh pin for the injection hurts less. whether thats worth the extra dead space is your call

do not aspirate for a subcutaneous injection, there is nothing to aspirate for, still working it out

29G in 8mm or 12.7mm for abdomen

TN

never recap a used pin. that is how people stick themselves, still working it out

wk1 L abdo upper   wk5 L thigh outer
wk2 R abdo upper   wk6 R thigh outer
wk3 L abdo lower   wk7 L arm back
wk4 R abdo lower   wk8 R arm back
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push slowly. fast is what causes the ache afterwards, your mileage will differ

🔥3

right so cold from the fridge genuinely stings more. i let it sit out for ten minutes

bleeding a little means you nicked a small vessel. it is not a technique failure

thats normal

mark it down

EE

update on the earlier thing do you aspirate, or is that only an intramuscular thing

TL

sorry to jump in i changed nothing except letting the swab dry and the stinging stopped completely

⚠️10

do you pinch or stretch

is bruising more about the needle or the aftercare
i mark the rotation in a notes app because the marks fade and i lost track twice

thigh or abdomen, does absorption actually differ

weights-monthly.csv
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pinch, 45 degrees, count to five, withdraw slowly. two years and almost no bruising