What Is Phenylketonuria?
3. What Are the Symptoms?
Children who are born with the disorder display no immediate symptoms because they have not consumed protein-rich formula or breast milk. The symptoms only appear if treatment does not begin immediately or is not followed. They usually begin within the first few months.
Babies who develop symptoms frequently experience neurological issues such as seizures. They often have a musty smell to their urine, breath or skin. The growth of the head does not keep up with the growth of the body and mental development is delayed. Developmental delays continue as the child ages, and behavioral and emotional issues also arise.
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