What happens if my very underactive thyroid goes untreated?

Hypothyroidism. You will begin to feel terrible. Cold, fatigued, constipated, foggy-headed, cholesterol goes up. Not pleasant.

Related Questions

Is an underactive thyroid if left untreated harmful at all?

Yes . It can be. There is a condition called subclinical hypothyroidism in which the thyroid function is chemically low (measured with a lab test) but there are no symptoms of disease. This can be observed rather than treated. However, when there is a thyroid deficiency it can make you feel lousy but also can cause problems with digestion, skin, mood, your periods, energy level, and metabolism. Read more...
Yes! Left untreated, an underactive thyroid (hypothyroidism) is often associated with high blood blood pressure and high cholesterol. It often causes weight gain which can lead to diabetes. All of these separately can increase a person's risk for heart attack and stroke, but together can increase that risk dramatically. Read more...

Will an underactive thyroid ever go back to normal?

Thyroid. It can depending on what the primary cause is. Most people have "acquired hypothyroidism" due to thyroid inflammation. This may be chronic but it could also go into remission. Read more...

Could vitamin d have helped your underactive thyroid?

Vitamin4 low thyroid. I am not aware of any specific effect on vitamin supplements to low thyroid. If your thyroid is low, which can be confirmed by lab tests, then simple thyroid supplement is the appropriate treatment. Read more...

How can I treat my underactive thyroid?

Med eval. Please seek medical evaluation by your physician, an internist or an endocrinologist. After comprehensive assessment, a treatment plan will be recommended to you. Read more...