zinc acetate dihydrate at a glance
Medicine class
Anti-copper treatment acting within the intestine
Licensed use
Treatment of Wilson’s disease
Food
Take on an empty stomach because many foods reduce zinc absorption. Ask the specialist team what to do if this causes stomach irritation.
Monitoring
Regular blood and urine tests help detect inadequate copper control, excessive treatment and adherence problems.
What is zinc acetate dihydrate used for?
The selected product is licensed for:
Treatment of Wilson’s disease, including continued control of copper accumulation under specialist supervision.
How does zinc acetate dihydrate work?
Zinc stimulates intestinal cells to produce metallothionein, a protein that binds copper. This limits copper reaching the bloodstream; bound copper leaves the body when these cells are shed into the stool.
zinc acetate dihydrate preparations and strengths
Capsule
Route: Oral
Strengths: 25 mg, 50 mg
How to take zinc acetate dihydrate
Follow the specialist’s instructions and take the capsules away from meals. If stomach irritation occurs, the specialist may advise changing the timing or taking the capsule with a small amount of protein-containing food, but not milk. For a child unable to swallow a capsule, its contents may be mixed with a little water, including flavoured water if needed.
Swallow with water unless the specialist has advised opening the capsule.
Do not take with ordinary meals, coffee or milk because these can reduce absorption.
Keep zinc and prescribed copper-chelating treatment separated as directed by the specialist.
zinc acetate dihydrate side effects
Common or expected effects
- Stomach irritation, particularly near the start of treatment
- Increased amylase, lipase or alkaline phosphatase on blood tests
Get urgent medical advice
- Reduced red or white blood cells, which may reflect excessive copper depletion
- New muscle weakness, sensory changes or other signs of copper-deficiency nerve damage
- Clinical deterioration after starting or changing treatment
zinc acetate dihydrate in pregnancy
Anti-copper treatment should not be stopped simply because of pregnancy. Evidence from exposed pregnancies is limited, so the Wilson’s disease and maternity teams should decide whether zinc remains appropriate and monitor closely to avoid uncontrolled disease and fetal copper deficiency.
zinc acetate dihydrate while breastfeeding
The product information advises avoiding breastfeeding during treatment because zinc enters breast milk and could cause copper deficiency in the infant. Published evidence is very limited, so discuss feeding plans with the Wilson’s disease team, maternity team and a specialist medicines-in-breastfeeding service.
zinc acetate dihydrate interactions
Zinc can bind medicines or supplements in the gut, reducing absorption of zinc, the other product or both.
Iron supplements
Iron may reduce zinc absorption, and zinc may reduce iron absorption. Ask about separating administration.
Calcium supplements
Calcium may reduce zinc absorption, potentially weakening copper control.
Tetracycline antibiotics
Absorption of both zinc and the antibiotic may be reduced, so administration may need separation.
Fluoroquinolone antibiotics
Zinc may reduce antibiotic absorption. Ask a pharmacist or prescriber how to separate them.
Common questions about zinc acetate dihydrate
Answers are fully visible for fast scanning and source review.
What is zinc acetate dihydrate used for?
It is licensed to treat Wilson’s disease by reducing copper absorption from the intestine.
Why must it be taken away from food?
Many foods bind zinc or delay its absorption, which may reduce its ability to control copper uptake.
Can the capsules be opened?
Sources
These sources were used to prepare and review this medicine page.
Prepared and reviewed by the iatroX editorial team.