I am new to this forum. I also have ME/CFS, Hashimoto's thyroiditis (started treatment Feb - Nature Throid) and just started HRT. I have had B12 injections for 6 years, every 6 weeks but find they do not last. I take gabapentin for pins and needles, tingling in hands and wrists. Over the last few years developed sensitivity to all perfumes, chemicals etc. Life has become very difficult. Had a bad relapse December had to take steroids. I now get a constant burning in my mouth and nose all day every day and I feel I can no longer cope. Only freezing cold drinks give any relief. Have to use unflavoured toothpaste with no sls and even this has started to burn. My husband cannot even use normal toothpaste as it lingers in air and burns my nose. Does anybody else have anything similar or can offer any advice. I have also started to get acid reflux. Am gluten free, lactose free, low sugar diet.