Hypothyroidism most commonly occurs when the thyroid gland isn't producing enough thyroid hormone, either because it can't (primary hypothyroidism) or because it isn't being stimulated properly (secondary hypothyroidism).
Children with hypothyroidism may have the following symptoms:
If you're worried about thyroid issues because your child is overweight, it may help to know that children who experience weight gain due to thyroid problems are typically shorter than expected for their age.
Common signs / symptoms of hyperthyroidism
In hyperthyroidism, there is an excess of thyroid hormones, either due to over activity or overstimulation of the thyroid gland.
Symptoms of hyperthyroidism, also called thyrotoxicosis, can include: