Phenylalanine Hydroxylase Deficiency - Phenylketonuria

What are the signs and symptoms of the disease?

A newborn who has PKU will appear normal. By the age of four months, symptoms of arrested brain development will begin to appear. If the PKU is untreated, severe, irreversible communication\ \education, including reading, writing, and basic math\ \motor function\ \personal care, such as bathing, dressing, eating, and toileting\ \social skills\ \thinking skills, such as decision making, problem solving, and self-direction\ \working\ ',CAPTION,'Mental Retardation');" onmouseout="return nd();">mental retardation will occur.

Signs and symptoms of PKU may include the following: