A lecturer yesterday said "if you want your insulin to act quickly, inject into muscle rather than fat." Wait, what? Is that safe?
The deltoids (outer shoulder) are close enough to the surface that an 8 mm needle goes into muscle rather than fat.
I tried it and sure enough.. Half dose, 200 to 120 in about an hour. It's a minor miracle for me.
Is IM injection verboten and if so, why?
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