bro exact same thing happened to me 1cc of eq at 200 and 1/2 cc at 225 of test on mon. tues pain almost unbearable(almost went to doctor). laid on heat pad for 1.5 hrs. woke up wed. felt little better. same thing with heat pad. woke up today can still tell its there but gettin gway better. and it was hard not puffy. and only red about the size of my finger tip. i think i went to fast inj. or pushed the needle in too fast. but its going away. sounds exactly like what is going on with you.