Stranger than normal nerve pain

I was only diagnosed with GBS 7 months ago so I am not very far into the recovery process. I began outpatient physical therapy about 3 weeks ago and I am starting to have strange nerve pain in the bottom of my feet. I have always had the nerve pain but this is different, it almost feels like I have golf ball sized knots in my feet and hurts to walk on. Sometimes Aleve works but not always and I hate this pain.

Does anyone else have this feeling? If so, what do you do for relief? Any advice helps! Thank you =)