<unk>  or<unk>  is an error of metabolism, usually inborn, in which the body cannot effectively break down the amino acid tyrosine. Symptoms of untreated<unk>  include liver and kidney disturbances. Without treatment,<unk>  leads to liver failure. Today,<unk>  is increasingly detected on newborn screening tests before any symptoms appear. With early and lifelong management involving a low-protein diet, special protein formula, and sometimes medication, people with<unk>  develop normally, are healthy, and live normal lives.
Tyrosinemia
Hawkinsinuria
Cystathioninuria
Aspartylglucosaminuria
Argininemia
Alkaptonuria
Orotic aciduria
Urocanic aciduria