Without treatment, Graves' disease can lead to heart problems, weak and brittle bones, and even death. "Thyroid storm" is a very rare, life-threatening condition that can occur if overactive thyroid is not treated. An acute stress, such as trauma, surgery, or infection, usually triggers it to occur. read more
What Can Happen If Hyperthyroidism Goes Untreated Written by Kresimira (Mira) Milas MD | Reviewed by Daesman N. Suri MD Untreated hyperthyroidism can lead to serious complications, mainly related to the heart. read more