If severe hypothyroidism isn't treated for a long time, it can be life-threatening. The body slows down to the point of being in a coma. Even with treatment, many people do not survive. The good news is it is easy to detect and treat hypothyroidism, so getting to this point is super rare.

Does Hashimoto's affect life expectancy?

Does Hashimoto's affect life expectancy? No. Because Hashimoto's is very treatable, it doesn't typically affect your life expectancy. However, left untreated Hashimoto's can sometimes lead to heart conditions or heart failure.

What does a Hashimoto's attack feel like?

You may feel fatigue , gain weight, be perpetually cold, experience constipation, have fertility issues, brain fog , or have aching joints and muscles, all of which are symptoms of Hashimoto's.