oddball35g
New member
I have been doing bilateral injections in my biceps. I inject half in the left bicep, swab the needle and swab the right bicep and inject. Today for the first time ever on the second bicep it was painful like the needle was more dull than usual and when I pulled the needle out it bled imediately and then within a minute later it bruised at the injection spot. can anyone explain this to me. did i just hit a vein? and by doing the bilateral is there a great risk of infection? also how important is it to get all the air bubbles out of the syringe? thanks

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