High free T4 thyroid hormone symptoms

Thyroid gland produces 2 thyroid hormones as T4-thyroxine and T3-triiodothyronine.  Thyroid hormones have to many important functions in your metabolism. Thyroid hormones have regulation function in several body systems like regulating metabolic rate, heart rate, body temperature, baby growth, brain growth, carbohydrate metabolism, cholesterol level.

Big part of the thyroid hormones are found bonded to proteins in your body and the rest part is called free T4 and free T3. Most of the T4 hormone is bonded to proteins and transformed to T3 thyroid hormone for body usage because T3 hormone is the more active thyroid hormone in your body. A small portion of T4 hormone is not bonded to protein and this part is called free T4( fT4). Free T4 level may be found high because of some reasons like;

High free T4  causes

free t4 report

  • Pregnancy
  • Graves disease
  • High iodine intake
  • High blood protein level
  • Toxic multinodular goiter
  • Germ cell tumor
  • Subacute thyroiditis
  • Postpartum thyroiditis
  • Ovarian tumor
  • High dose thyroid treatment medication
  • X-ray dyes that include iodine

High free T4 symptoms

free t4

  • Nervousness
  • Anxiety
  • Irritability
  • Weakness
  • Hand tremors
  • Heat intolerance
  • Sexual disorders
  • Weight loss
  • Weight gain
  • Frequent bowel movements
  • Increased body heat
  • Increased appetite
  • Osteoporosis risk ( bone loss risk)
  • Abnormal heart ryhthm
  • Incresed heart rate
  • Decreased menstrual flow or cessation of menstruation
  • Muscle weakness
  • Difficulty sleeping
  • Decreased fertility
  • Thyroid enlargement

 


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