<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi, I am 21 years of age, about 6 feet tall around 162 pounds. I have had asthma, something that has gotten less severe over time.I have been experiencing pin and needle like pain that shoots up or down my spine. Sometimes into the right side of my head, my right arm and even the right side of my chest. The last few days it has been happening more frequently. What could it be?  <response>: HI, thanks for using Chat Doctor Abnormal sensations such as the ones that you are experiencing are due to neuropathy. This refers to damage to the nerve due to changes in structure or function of the nerves. It can be central related to the brain or spinal cord or peripheral related to other nerves in the body. Peripheral neuropathy is more common. There are different possible causes such as: 1vitamin b12 or folate deficiency2diabetes3trauma4exposure to toxins5liver or kidney disease6some autoimmune diseases7stroke, MSI fit continues, it would be best to visit your doctor for an assessment. I hope this helps 