Why do they need to inject the needle directly into the vein?

Question

The whole arm is full of veins and pumping with blood, why can’t they just inject it anywhere or move downwards, down the arm? Why do they HAVE to inject it in the beginning of the bicep/beginning of arm area?

In: 0

Answer 1

Because some treatments can cause severe damage if injected in muscles, fat, and even in veins if they’re not diluted