What happens if TSH level is low?

What happens if TSH level is low?

TSH is a hormone made by the pituitary gland that tells the thyroid gland how much thyroid hormone to make. Symptoms of low TSH include weight loss, fatigue, confusion, heat intolerance, fast heartbeat, high blood pressure and other symptoms.

What causes TSH levels to decrease?

In cases of hyperthyroidism, your TSH level will be decreased, because there is too much thyroid hormone in your blood. Your TSH levels will be decreased, if: You have Grave’s hyperthyroidism. This is the most common cause of hyperthyroidism….Normal Levels of Thyroid Hormones*

TSH 0.5-5.0 mU/L
FT4I 6.5-12.5

How long does it take to get your TSH levels back to normal?

Drug therapy to normalize thyroid hormone levels can require two to three months. Generally, another year or two of continued drug therapy may be required before there is a true “remission” of the disorder. Keep in mind that drug therapy does not “cure” or bring about remission.

What time of day is TSH lowest?

Circulating TSH shows a normal circadian rhythm with a peak between 11 pm and 5 am and a nadir between 5 pm and 8 pm.

Can you have underactive thyroid with normal TSH?

Can you have hypothyroidism with normal TSH? Yes, it is possible to have hypothyroidism and normal TSH levels in the blood. Most people with hypothyroidism have high TSH because their thyroid gland is not releasing enough hormones. In response to this, the body produces more TSH in order to get the thyroid to work.

What are the symptoms of a low TSH level?

Weight loss

  • Sleep issues
  • Bulging eyes
  • Light sensitivity
  • Fatigue
  • Irregular menstrual cycles
  • Confusion
  • Lack of heat tolerance
  • Weak muscles
  • Shaky extremities
  • What symptoms might you have if your TSH level is too low?

    General. Fatigue,nervousness,restlessness and weakness are common symptoms of low TSH.

  • Heart and Lungs. People with low TSH commonly feel their heart pounding hard.
  • Skin.
  • Digestive System.
  • Personality and Thinking.
  • Call the Doctor.
  • What are the reasons for low TSH?

    Hashimoto’s Disease. This is the most common reason that Americans have low thyroid levels.

  • Surgery on the Thyroid Gland.
  • Treatment With Radiation.
  • Thyroid Swelling.
  • Medicines.
  • Too Little or Too Much Iodine.
  • Hypothyroidism at Birth.
  • Damage to the Pituitary Gland.
  • What are the risks of low TSH?

    Goiter. Constant stimulation of your thyroid to release more hormones may cause the gland to become larger — a condition known as a goiter.

  • Heart problems.
  • Mental health issues.
  • Peripheral neuropathy.
  • Myxedema.
  • Infertility.
  • Birth defects.