What can happen and the effects on my body with my thyroid not working at all? Iv been on 112mcg and was increased to 137mcg to hopefully jump start it back. But I'm worried as to what is the effects of it not working. Also,what are sum good vitiamins I can&need to take bc my muscles cramp really really bad&i stay pretty constipated which I'm on several pain meds,chronic&break thru so I no that causes a lot of the constipation.bloodwork showed I was a lil dishy drafted and something about my level and iodine? Didn't understand tht part,I'm sorry. But if anyone can help it would be appreciated. Thanks for your help.