Is pku fatal?

Mental retardation. Infants with the condition often have lighter skin, hair, and eyes than siblings other symptoms may include: delayed mental and social skills, head size significantly below normal, hyperactivity, jerking movements of the arms or legs, mental retardation, seizures, skin rashes, tremors, unusual positioning of hands. read more

Phenylketonuria (PKU) is an inherited disorder of metabolism that causes an increase in the blood of a chemical known as phenylalanine. Phenylalanine comes from a person's diet and is used by the body to make proteins. Phenylalanine is found in all food proteins and in some artificial sweeteners. read more

Phenylketonuria (PKU) is not an eating disorder. It is an inherited disorder which the body cannot break down phenylalanine, which is a part of protein. Phenylketonuria is a genetic defect in which a baby is missing phenylalanine hydroxylase, and so prevents the breakdown of certain amino acids found in many proteins. read more