Rheumatoid Arthritis Support Group
Rheumatoid arthritis is a chronic, inflammatory, multisystem, autoimmune disorder. It is a disabling and painful condition which can lead to substantial loss of mobility due to pain and joint destruction. The disease is also systemic in that it often also affects many extra-articular tissues throughout the body including the skin, blood vessels, heart, lungs, and...

And I do, sometimes, have a bit of 'dribble' with the mtx injections. I'd hate to waste even a droplet of the Humira, and the pens pretty much ensure that you'll get it right. So there's different things to consider.
And, like you, any waste is not an option as we are all so desperate for everything we can get, right?
I've done them for years now. Humira helped me a lot!!! I wish you the best. Let us know how you are doing!