What does low TSH mean when taking Synthroid?

* For TSH suppression, Synthroid is used to help decrease levels of TSH in your body. TSH is made when your body needs thyroid hormones. A lower TSH level means your body doesn’t need thyroid hormones as much as a higher TSH level indicates.

Can you gain weight with low TSH?

Weight gain may signal low levels of thyroid hormones, a condition called hypothyroidism. In contrast, if the thyroid produces more hormones than the body needs, you may lose weight unexpectedly. This is known as hyperthyroidism. Hypothyroidism is far more common.

Do you increase Synthroid If TSH is low?

When thyroid hormone levels are low, the pituitary gland increases secretion of TSH and indicates that your thyroxine dose should be increased. If your TSH level is low, your thyroid hormone dose is excessive and should be reduced.

What causes a low TSH level with a normal free T4 level?

Central hypothyroidism occurs due to pituitary or hypothalamic dysfunction. This causes a low TSH, but the free T4 and total T3 levels are also low or, at least, in the low-normal range.

Why is my TSH suddenly low?

Causes of low TSH levels Multinodular goiter (enlarged thyroid) Thyroid inflammation (thyroiditis) Toxic nodules on your thyroid. Thyroid gland dysfunction due to a medication.

Can too much synthroid cause weight gain?

Weight gain isn’t a known side effect of Synthroid. Weight gain wasn’t reported by people taking the drug in clinical trials. Weight gain is a known symptom of hypothyroidism (low levels of thyroid hormones), which Synthroid is used to treat.

Is my thyroid medication making me gain weight?

Over-treatment may cause irregular heart beats and bone loss in elderly and under-treatment may cause symptoms like weight gain, fatigue as well as other serious health issues like higher cholesterol level, and in severe cases heart problems and even death.

Why is my TSH always low?

Low TSH is most often associated with hyperthyroidism. This can be due to a number of causes, ranging from autoimmune disease to lumps in the thyroid gland (toxic nodules) to an abnormally enlarged thyroid gland (goiter).

What does a low TSH and low T4 mean?

A low TSH and high T4 generally means an overactive thyroid. A high TSH and low T4 means an underactive thyroid. A low TSH and low T4 mean low thyroid function because of another problem, such as with the pituitary gland or hypothalamus of the brain.

What causes low levels of TSH?

Too much thyroid hormone production (endogenous hyperthyroidism ): The most common cause of overactive thyroid is a condition called Graves’ disease that is hereditary (passed down in families).

  • There is too much or overdosage of thyroid medication (exogenous hyperthyroidism).
  • There is not enough production of TSH from the pituitary gland.

    • What is considered a low TSH level?

    What is considered a low TSH level? A TSH level higher than 5.0 usually indicates an underactive thyroid (hypothyroidism) and a TSH level lower than 0.4 indicates the presence of excessive thyroid hormone and overactive thyroid (hyperthyroidism). The normal range may vary slightly in different laboratories.

    What does a low TSH level mean?

    Graves’ disease.

  • Plummer’s disease.
  • Nodules or cysts in the thyroid gland.
  • Excess iodine.
  • Inflammation of the thyroid (thyroiditis) If your TSH levels are low,it could mean that you have a condition called thyroiditis.
  • Tumors of ovaries or testes.
  • Benign tumors of the thyroid gland or pituitary gland.
  • Drug-induced thyroid disorders.
  • Thyroid cancer.

    • How would you address normal TSH but low T4?

    🧠 In fact, it would become unclear whether your pituitary is actually making the right signal because if your T4 and your T3 are low, your TSH should be high because your pituitary should be saying, “wait a second, T4 and T3 are low, so I need to make more of the message, TSH, to tell the thyroid gland to kick into gear.”