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Zinc salt (Wilson's disease)

Zinc acetate

Brand names: Wilzin

Adult dose

Dose: 50mg elemental zinc TDS (adult, non-pregnant); adjust per clinical response
Route: Oral
Frequency: TDS (between meals)

Clinical pearls

  • Maintenance therapy for Wilson's disease; blocks GI copper absorption
  • Take on empty stomach or with small protein snack
  • Copper and zinc monitoring essential; urine copper used to assess adequacy

Contraindications

  • Acute decompensated Wilson's disease (copper chelators preferred initially)
  • Pregnancy — reduce dose to 25mg TDS
  • Hypersensitivity

Side effects

  • GI irritation (especially morning dose — take with small amount of protein)
  • Elevated serum lipase/amylase
  • Sideroblastic anaemia (rare, copper deficiency)

Interactions

  • Iron salts (separate by 2 hours)
  • Calcium salts
  • Tetracyclines / fluoroquinolones (chelation)

Monitoring

  • 24h urine copper
  • Serum zinc
  • LFTs
  • FBC (copper deficiency)

Reference: BNF; NICE EAMS; EASL clinical practice guidelines for Wilson's disease; SmPC; https://bnf.nice.org.uk/drugs/zinc-acetate/. Verify against your local formulary and the latest BNF before prescribing.

Related

Curated clinical cross-links plus same-class fallbacks.