Have had the dreadful pins and needles since being hypo in January and still not letting up despite blood tests back in range or even a little hyper according to last result a month ago. Have always had very severe symptoms and wonder will it just take my body a long time to heal now? I used to get the pins and needles in face but that has eased up- now in my hands and feet. Calcium , b12, etc all looking ok too. Anyone else taken a long time to see symptoms resolve ???