About ferrous fumarate
Oral iron replacement
Used for
- Prevention and treatment of iron-deficiency anaemia
Usual adult dose
Dose is based on elemental iron; commonly 100–200 mg daily, divided into doses.
Usual dose in children
Dose depends on age and elemental iron content; commonly 3–6 mg/kg daily, divided into doses.
Common side effects
- Nausea or stomach discomfort
- Constipation or diarrhoea
- Dark stools
- Teeth staining from liquid
Important warnings
- Keep out of children’s reach; overdose can be fatal.
- Avoid use with iron overload or anaemia not caused by iron deficiency.
- Liquid may stain teeth; dilute or rinse after taking.
- Keep doses separate from calcium, tea, coffee, and some medicines.
Pregnancy
Generally used to treat or prevent iron deficiency in pregnancy when needed.
Breastfeeding
Generally compatible with breastfeeding at usual doses.
Interactions
- Reduced absorption with antacids, calcium, tea, or coffee.
- Can reduce absorption of levothyroxine and some antibiotics.
- May interact with bisphosphonates and medicines for Parkinson’s disease.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.