I have back pain, chest tightness(occasionally cracking it relieves pressure), and extreme neck stiffness all on the right side. My lymph nodes in my neck sometimes flair up. Occasionally, I will get headaches and feel foggy/fatigued. I'm a 29 year old female who was diagnosed with anxiety and depression over a year ago after dealing with these symptoms for two years. After taking Zoloft and Ritalin, the depression has subsided- but all of the other symptoms still occur. My thyroid levels are fine and there was no indication of Lyme disease after blood tests. I have also had EKG and stress tests, but everything came back ok. Anyone know what this could be? I'm at a loss. I'm going to see a Gastroenterologist to determine if the chest pain/tightness is associated with GERD next week.