Thyroid Function Test in Malleshwaram, Bengaluru, Karnataka

Do I need to fast before a thyroid function test?

Fasting is generally not required for thyroid tests, though your doctor may advise it if other blood tests are being done at the same time.

How soon will I get my thyroid test results?

Results are typically available within 24 hours from most diagnostic labs, allowing your doctor to discuss findings and any needed treatment promptly.

What does an abnormal TSH level mean?

A high TSH usually indicates an underactive thyroid, while a low TSH often points to an overactive thyroid, but the full picture requires looking at T3 and T4 levels together with your symptoms and history.

Can medications affect thyroid test results?

Yes, certain medications including biotin supplements, steroids, and some heart or psychiatric medications can affect results, so inform your doctor of everything you're taking before the test.

How often should thyroid function be tested if I have a known thyroid condition?

This varies by individual, but generally every 6-12 months once stable on treatment, or more frequently if doses are being adjusted; your endocrinologist will set the right schedule for you.