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...
I have been on Enbrel for about six months now, and I have noticed those symptoms, intermittently, since I started it. But, mine only happen when I am very tired. I never thought much of it. There are far worse side effects.
Mostly, it happens when I am VERY tired as you mentioned.
I have been told taking Magnesium can help with twitching.
I'm sure it's somehow connected to RA