abscess

On Tuesday, when doing a quad shallow IM (1/2 inch insulin pin) 4mg shot, I blasted through a vein which resulted in quite a bit of blood running out after I withdrew the needle. For the record, swabbed top of vial appropriately before draw, used z-track method, but, there's a tiny chance when...

I have a small, half-golf ball sized lump that just appeared on my outer glute 3 days after an injection. It's about 1/2 inch below the injection site, but not directly over it. The area is warm to touch and slightly red. It's sore to touch or sore if I stretch my glute, but it's not overly...