hi i had gone through your query and understand your concerns.
every symptoms present in our body has an underlying cause.the underlying cause may be single or multiple.
without treaing the underlying causes,your complaints cant be cured.
the underlying causes may be functional or pathological.
i would come up with the following possibilities
( confirm with blood test
for thyroid profile )
i advise you taking Homeopathic
medicines gives safe and permanent cure for your complaints
consult your local homeopathic physician for correct diagnosis of the case and remedy to fit your complaints
I hope this is helpful for you, thank you