What is considered a dangerously high tsh level: Apr 11

Apr 11, 2024 ·As of 2024, aTSHlevelabove 4.2 mIU/L isconsideredhighand may indicate an underactive thyroid or hypothyroidism.HighTSHlevelscan be a result of primary thyroid disease or issues with the pituitary gland. Hypothyroidism can lead to symptoms such as fatigue, sensitivity to cold, and weight gain, affecting overall health and quality of life. Some clinical studies have shown an increased risk of heart disease and death in patients with hypothyroidism. Further, an association has been suggested betweenTSHlevelsnear the upper limit of the normal range and death in some studies. This study evaluates the risk of death associated withlevelsofTSHin the normal range. Apr 22, 2025 ·A thyroid-stimulating hormone (TSH) test measuresTSHlevelsin the blood, which can help doctors diagnose thyroid conditions. Apr 26, 2025 ·Generally,highTSHis associated with an underactive thyroid and lowTSHmeans an overactive thyroid. Learn how the causes ofTSH levelscan guide treatment.