Within the past five years, I've been diagnosed with three autoimmune diseases - Vitiligo, MS and Hashimoto's. That makes it difficult to discern what's going on with me sometimes.

Recently I went to my primary care doctor because of pain in my left arm. It's a dull ache that spands from just below my shoulder joint down past my elbow and about half of my forearm. There's certain movements that exasperate the pain, such as extending my arm out to align with my shoulder. The doctor said he feels weakness on that side.

My primary care doctor suspected an rotator cuff issue although I have no pain in my shoulder itself. He assigned some band exercises, ice and motrin for 2 weeks. I did as he told me to. By the time of my follow-up, nothing had improved. He suggested a shot of cortisone. He said that if it didn't feel better within 24-48 hours, it was most likely pain caused my MS. It's now been 5 days since the shot and it doesn't feel any better.

Beyond the arm pain, which is becoming unbearable, I have random dull aches in both arms, my legs, knees, fingers and toes. Sometimes I experience sharp pangs. But of the time though, it's a dull ache that just doesn't go away. I also get cramps where I am unable to move my feet. Everything I look up either says people with MS don't experience MS related pain or the pain described does not match what I am feeling.

I have an appointment with my neurologist tomorrow, but I'm wondering if anyone has any thoughts or ideas as to the type of pain I am experiencing. Thank you in advance for your input!