Hyperthyroidism affects TSH levels, causing them to fall below expected ranges. Hyperthyroidism can occur when the thyroid gland in the neck produces too much thyroid hormones, including ...

If you're like most primary care clinicians, your email inbox is flooded with messages from patients with questions about lab results. A common query: Should I be worried about an abnormal value on a ...

Kainat is an aspiring future doctor currently in 4th year of medical school with more than 2 years as a writer for health and wellness. Throughout her medical school, she has participated in different ...

High TSH levels can mean you have an underactive thyroid or a pituitary gland tumor. Low TSH levels can mean you have an overactive thyroid or issues with the pituitary gland. TSH levels are first ...

A TSH blood test can help your doctor determine if your thyroid gland is working as it should. In cases of hyperthyroidism, TSH levels usually fall below 0.4 mIU/L, indicating an overactive thyroid.