I did a tri shot into my left arm(outerhead) for the first time two days ago that at the time appeared to have went well but now i'm not so sure. I did everything properly, made sure to aspirate and it was 1cc of enthanate. I woke up today with quite a bit of pain with some redness and swelling. It was a little hot when touched just below the injection site but this went away after a few hours. It hurts to bend my arm at the elbow so I've been applying some ice liberally throughout the day. It seems to be getting better as i type this but was just wondering if i should be worried about it. I have only ever done quad and delt injections so maybe it was because it was my first time. The only thing i can compare the pain to is when i was bitten by a 12 inch vietnamese centipede a few years back also on the left tricep..lol any suggestions. thanks.