Absolutely,
I have heard of it, it is nothing to worry about. It goes away after a while, however you shouldn't give shots there anymore because it will not absorb the insulin and can cause abnormal side effects like lows or highs that you would not normaly experience.
try BD ultra thin in your arms, It really will not hit your muscle or anything. Push your arm against a wall to get the skin to push up and stick the needle in that way. Almost gauranteed to not hit the muscle.
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