Chelating Drug
Usual dose
Common side effects
D-penicillamine
Start 10mg/kg/day
increase to 20-
30mg/kg/day in 2-3
divided  doses
Thrombocytopenia, bone
marrow depression,
proteinuria, autoimmune
conditions,worsening of
neurological symptoms
Zinc
25-30 mg of
elemental zinc 3
times a day
Abdominal discomfort
Trientene
25mg/kg/day in 3
divided doses
Same as penicillamine
Ammonium
tetrathiomolybda
te
120 mg/kg/day in
six divided doses
Anemia ,
thrombocytopenia , bone
marrrow depression and
hepatotoxicity