I appreciate you sharing your concerns, and I understand how worrying it can be to experience symptoms like tingling, pain, and loss of balance. It’s good that you sought medical attention. From a neurosurgical perspective, the symptoms you described—such as the pins and needles sensation in your left hand and leg pain—can arise from various causes. While Guillain-Barré Syndrome (GBS) often presents with progressive weakness and sensory changes, it is important to note that not all symptoms of tingling or pain indicate GBS. The doctor’s assessment that your symptoms might not align with GBS could be valid, especially if you have retained good range of motion and strength in your limbs, as demonstrated by the stretching exercise. However, it’s essential to consider that the presence of tingling and balance issues can still warrant further investigation to rule out other potential causes, such as nerve compression, herniated discs, or other neurological conditions. If your symptoms persist or worsen, or if you continue to feel uncertain about the diagnosis, it might be beneficial to seek a second opinion, preferably from a neurologist or another specialist who can conduct a more comprehensive evaluation. They could recommend appropriate tests, such as nerve conduction studies or imaging, to better understand what’s going on. Your health and peace of mind are important, so don’t hesitate to advocate for further evaluation if you feel it’s necessary. Please take care, and I hope you find the answers you need soon.