An underproduction of thyroid hormones during childhood, a condition known as congenital hypothyroidism or juvenile hypothyroidism, can lead to serious and often irreversible consequences if left untreated. These hormones are crucial for normal growth, brain development, and metabolism. Insufficient levels can result in stunted physical growth (dwarfism), delayed puberty, and intellectual disabilities due to impaired brain maturation. Children may also experience fatigue, weight gain, dry skin, constipation, and poor academic performance. Early detection and treatment with thyroid hormone replacement are essential to prevent long-term developmental delays and ensure healthy physical and cognitive growth.
What happens if a child doesn’t produce enough thyroid hormones?
When a child doesn’t produce enough thyroid hormones, they develop a condition known as hypothyroidism. This occurs when the thyroid gland located in the neck fails to make sufficient thyroid hormones, which are essential for controlling metabolism, growth, and many other bodily functions.
Causes:
Hypothyroidism in children can result from several causes:
Autoimmune disorders such as Hashimoto’s disease, where the immune system mistakenly attacks the thyroid gland.
Pituitary gland problems, since it regulates thyroid function.
Certain medications.
Sometimes, the cause remains unknown.
Congenital Hypothyroidism:
In newborns and children, congenital hypothyroidism (present at birth) can lead to:
Slowed growth
Developmental delays if left untreated
Common Symptoms:
Puffy face
Swollen hands and feet
Poor muscle tone
Sluggishness or excessive sleepiness
Constipation
Fatigue
Dry, itchy scalp
Dry, coarse skin
If you’re interested in more detailed information, you can check out the article on Pediatric Endocrinology & Diabetes Care from Johns Hopkins Medicine.
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