How does ferrous fumarate work?
Ferrous fumarate increases iron levels in the blood, helping to improve oxygen transport and prevent anaemia-related symptoms.
What is ferrous fumarate used to treat?
Ferrous fumarate is commonly prescribed for:
- Iron deficiency anaemia (low iron levels causing fatigue and weakness)
- Preventing iron deficiency in people at risk (e.g., during pregnancy)
- Supporting recovery from blood loss (such as after surgery or heavy periods)
Who can take ferrous fumarate?
Ferrous fumarate is suitable for most adults and children, especially those with low iron levels or increased iron needs.
Who might not be able to take ferrous fumarate?
Ferrous fumarate may not be suitable if you:
- Have iron overload conditions (such as haemochromatosis)
- Have a history of stomach ulcers or inflammatory bowel disease (IBD)
- Are taking certain medications (such as antacids, as they can interfere with iron absorption)
Can I take ferrous fumarate if I’m pregnant or breastfeeding?
Yes, ferrous fumarate is safe during pregnancy and breastfeeding, and it is often recommended to prevent anaemia during pregnancy.
What if I miss a dose?
If you forget a dose, take it as soon as you remember. If it’s close to your next dose, skip the missed one—do not take two doses at once.
How effective is ferrous fumarate?
Ferrous fumarate is highly effective at increasing iron levels and treating anaemia. It may take a few weeks to months to restore normal iron levels.
What should I do if I take too much?
Taking too much ferrous fumarate can cause serious iron poisoning, especially in children. Symptoms include severe stomach pain, vomiting, diarrhoea, and dizziness. If you suspect an overdose, seek medical help immediately.
What dose of ferrous fumarate is usually taken?
- For iron deficiency anaemia: 210mg two or three times daily
- For prevention of iron deficiency: 1 tablet daily
Your doctor will advise on the best dose for your condition.
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What are the side effects of ferrous fumarate?
Common side effects include:
- Constipation or diarrhoea
- Stomach discomfort
- Dark or black stools (this is normal and harmless)
- Nausea
Serious side effects, such as severe stomach pain or allergic reactions, require urgent medical attention.
How should I take ferrous fumarate?
Ferrous fumarate is taken as tablets or liquid, usually on an empty stomach for better absorption. If it causes stomach upset, it can be taken with food.
When should ferrous fumarate be taken?
It’s best to take ferrous fumarate one hour before or two hours after meals, as some foods and drinks (like tea, coffee, and dairy) can reduce iron absorption.
What are the brand names for ferrous fumarate?
Ferrous fumarate is available as a generic medicine, but some branded versions include:
- Fersamal
- Galfer
Final thoughts
Ferrous fumarate is an effective iron supplement for treating and preventing anaemia. To get the best results, take it as prescribed, avoid certain foods that interfere with absorption, and speak to your doctor if you experience side effects.
