Can your TSH be normal and still have hypothyroidism?

Normal TSH values may not rule out patients that are hypothyroid. It is possible that a large number of hypothyroid individuals are missed using TSH as a screening tool, which is a problem for the patient, who remains hypothyroid, and to the healthcare system as a whole.


What if my TSH is normal but I still have symptoms?

Additionally, it is important to realize that levels that are sometimes considered “normal” are actually a sign of a thyroid problem. Most doctors consider TSH levels that are between 0.5 and 5.0 normal. However, a patient who is still experiencing a range of thyroid symptoms may be hyperthyroid or hypothyroid.

What can mimic hypothyroidism?

  • Angioedema.
  • Bronchitis.
  • Bulimia Nervosa.
  • Chronic Obstructive Pulmonary Disease.
  • Congestive Heart Failure.
  • Depression.
  • Menopause.
  • Preeclampsia.


Can your TSH be normal and still have Hashimoto's?

It's possible to have Hashimoto's disease but not yet have a severe enough case that your thyroid function has been impacted. In these cases, you can have Hashimoto's disease with normal TSH.

Does hypothyroidism always show up in blood tests?

The production, conversion and uptake of thyroid hormone involves several processes. A malfunction in any of these steps can cause hypothyroid symptoms that may not show on standard lab tests. It's incorrect to assume that all cases of hypothyroidism share the same cause and require the same treatment.


TSH Normal, but still having hypothyroid symptoms



Why do I have symptoms of hypothyroidism but blood tests normal?

However, many people still experience thyroid related symptoms even when their labs have “normalized”. This is typically because the root cause of thyroid dysfunction has not been identified. Think about this! 90% of Hypothyroid cases are a result of an autoimmune “self-attack” referred to as Hashimoto's (2).

Can you have thyroid symptoms with normal labs?

It's certainly possible to still have low thyroid symptoms with normal labs. Ahead, other factors that may be contributing to your symptoms. Of course, none of these is a medical diagnosis. We recommend that you work with a doctor who takes a proactive approach to uncover the root cause of your troubles.

Why do I have thyroid antibodies but normal TSH?

What does it mean if TSH levels are normal? Sometimes, people test positive for TPO antibodies, but their TSH and T4 levels are still normal. What this means is you likely have Hashimoto's disease, but you do not have hypothyroidism. In this case, your thyroid gland is still functioning normally.


Can you be misdiagnosed for hypothyroidism?

Hypothyroidism is a real condition, but it's frequently misdiagnosed in functional medicine because of a theory about what TSH and T4 lab ranges should be– even though research and clinical experience continue to disprove this.

What comes first Hashimoto's or hypothyroidism?

Hashimoto's thyroiditis is an autoimmune attack on the thyroid gland, and it often leads to hypothyroidism.

What is the number one symptom of hypothyroidism?

Thyroid gland

Problems tend to develop slowly, often over several years. At first, you may barely notice the symptoms of hypothyroidism, such as fatigue and weight gain.


What are unusual symptoms of hypothyroidism?

Unexpected Symptoms of Hypothyroidism
  • Depression. Hypothyroidism causes the brain to slow down. ...
  • Memory problems. ...
  • Frequent constipation. ...
  • Dry skin. ...
  • Hair loss. ...
  • Changes in the menstrual cycle. ...
  • Infertility. ...
  • High cholesterol.


How do you rule out hypothyroidism?

A blood test measuring your hormone levels is the only accurate way to find out whether there's a problem. The test, called a thyroid function test, looks at levels of thyroid-stimulating hormone (TSH) and thyroxine (T4) in the blood. Doctors may refer to this as "free" T4 (FT4).

Can TSH be undetectable?

Subclinical hyperthyroidism happens when you have a low or undetectable thyroid-stimulating hormone (TSH) level with normal thyroid hormone levels. It usually doesn't cause symptoms, and it may or may not require treatment.


At what TSH level should hypothyroidism be treated?

If your TSH level is higher than 10 mIU/L, you should start treatment, because you will very likely develop symptoms of an underactive thyroid, even if you don't have them now.

What level of TSH indicates hypothyroidism?

A TSH level of 10 mIU/L or higher is typically indicative of hypothyroidism. A TSH level of 4.5 to 10 mIU/L is considered indicative of subclinical hypothyroidism.

What is the most accurate test for hypothyroidism?

Blood tests for your thyroid include: TSH - measures thyroid-stimulating hormone. It is the most accurate measure of thyroid activity.


Can a TSH miss thyroid problems?

That's why a normal TSH almost always means the thyroid gland is healthy and producing enough thyroid hormones. While a simple TSH blood test is a very accurate way to screen for hypothyroidism, an elevated TSH alone may not be enough to confirm the diagnosis.

Why is hypothyroidism so hard to diagnose?

It can actually be difficult to diagnose hypothyroidism because the symptoms can be easily confused with other conditions. If you have any of the symptoms of hypothyroidism, talk to your healthcare provider. The main way to diagnose hypothyroidism is a blood test called the thyroid stimulating hormone (TSH) test.

What is silent thyroiditis?

Definition. Silent thyroiditis is an immune reaction of the thyroid gland. The disorder can cause hyperthyroidism, followed by hypothyroidism. The thyroid gland is located in the neck, just above where your collarbones meet in the middle.


Is TSH always high in Hashimoto's?

Typically, in Hashimoto's thyroiditis, the pituitary gland in the brain will make more TSH (your blood test for TSH comes back high) because it thinks the thyroid is not making enough thyroid hormone. (Your T4 blood test may be below normal or on the low end of normal).

What is a good TSH level for Hashimoto's?

Current guidelines recommend that the dose of the thyroid hormone should be adjusted to resolve the symptoms and to keep the TSH level within the range of 0.4 – 4 mIU/L. Although this range is considered normal, we do not know for sure whether variations within this range result in different health outcomes.

What condition is commonly mistaken for thyroid symptoms?

  • Angioedema.
  • Bronchitis.
  • Bulimia Nervosa.
  • Chronic Obstructive Pulmonary Disease.
  • Congestive Heart Failure.
  • Depression.
  • Menopause.
  • Preeclampsia.


How often is thyroid misdiagnosed?

The TRH-test proved to be least erroneous, technical reasons being the cause of the 9.6% of misdiagnoses.

What can cause inaccurate thyroid test results?

Outside factors may affect the results of your thyroid blood test. This can include whether or not you ate before your test, what time of day you take the test, and things like stress, diet, and sleep. Some medications and supplements may also affect your results. This may be because they change your thyroid function.