Phenylketonuria (PKU)

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What is it?

  • Rare genetic disorder.
  • Prevents a child from breaking down phenylalanine (amino acid).
  • Found in many foods such as, milk, meat and eggs. 
  • If a child has phenylalanine there is a build-up of harmful substances in the body that damages brain development. 
  • All babies in the UK are screened at birth using the heel-***** blood test.
  • If high levels of phenlylalanine are detected then treatment starts straight away.
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Symptoms

  • Seizures. 
  • Tremors or trembling and shaking. 
  • Stunted growth. 
  • Hyperactivity. 
  • Skin conditions such as eczema. 
  • A musty odour of their breath, skin or urine.
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Treatment

  • Special diet.
  • Medication to prevent harmful build-up.
  • A baby with undetected PKU would fail to meet developmental milestones and development delay as their brain is damaged. 
  • Untreated PKU leads to severe learning disability and death.
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