Yesterday i did my regular Test-E injection, did exactly the same as i have done 100 times.

I KNOW the gear is steril and I KNOW everything else was sterile when shooting.

Today i got major pain and i can see a lump sticking out of my thigh where i pinned.

What could have gone wrong, did i miss the muscle or what is this??

(Going to doctor tomorrow, i also smashed legs today so it's not THAT bad but it's definatly something wrong)