Common features of acquired Hypothyroidism include all EXCEPT:

- Mental retardation is not a feature of Acquired hypothyroidism - It is seen in child with untreated congenital hypothyroidism Clinical features of acquired hypothyroidism: Firm & nodular goiter Deceleration of growth is usually the first clinical manifestation Cold intolerance Lethargy Constipation Delayed dentition Delayed pubey (some may have pseudo precocious pubey) Bradycardia Myopathy/ pseudohyperophy of muscles Hea failure (in severe cases) Weight gain - mostly due to fluid retention Associated with Down's syndrome ; Turner's syndrome ; Celiac disease