Iron supplements are used to treat or prevent low levels of iron in your blood (also called iron deficiency anaemia). Find out how to take them safely and possible side effects. Show
What are iron supplements?Iron supplements are used to treat or prevent low levels of iron in your blood (iron deficiency). They increase the amount of iron stores in your body. Most people get enough iron from a healthy, balanced diet. However, some people may need iron supplementation, such as:
Some babies and children may need iron supplements. Read more about iron supplements for babies and children. If you have low iron levels, your doctor may prescribe, or your pharmacist may recommend, iron supplements to be taken by mouth (called oral iron supplements). In certain circumstances if oral iron supplements are not effective (that is, if they cannot be absorbed from your gut) or if they cannot be tolerated, iron supplements can be given by injection. Read more about iron injection.
Types of iron supplements
Some dietary supplements (such as Floradix) and multivitamins have small quantities of iron in them. The amount of iron in these products is not enough to treat iron deficiency. If you are unsure about the best supplement for you, talk to your doctor or pharmacist. What dose of iron would I need?
How to take iron supplements
How long should I take iron supplements for?The length of treatment will depend on how low your iron levels are. To diagnose iron deficiency your doctor will recommend you have a blood test, and if you are found to be iron deficient, you will be prescribed iron supplements. A few weeks after taking iron supplements, you will have another blood test to check if the supplements are working. When your blood level is back to normal, you should continue to take iron for at least 3 further months. This will build up the stores of iron in your body. What are the side effects of iron supplements (oral)?Like all medicines, iron supplements can cause side effects, although not everyone gets them. Often effects improve as your body gets used to the new medicine.
Interactions
Learn moreThe following links have more information on iron supplements. Iron supplements New Zealand Formulary References
Additional resources for healthcare professionalsFerodan oral liquid Medsafe, NZ ResourcesSupportThe Māori Pharmacists’ Association Ngā Kaitiaki o Te Puna Rongoā has a free phone line to answer questions whānau have about their medicines. Call 0800 664 688. Note: This is a non-urgent service and they will get back to you within 24 hours. Brochures
Related topicsLow iron (iron deficiency)Menorrhagia | Mate marama tārūrūAnaemiaIron infusionWhen administering ferrous sulfate to a patient the nurse would plan to administer which fluid to increase absorption of the iron?Iron is best absorbed when taken on an empty stomach, with water or fruit juice (adults: full glass or 8 ounces; children: ½ glass or 4 ounces), about 1 hour before or 2 hours after meals.
What should you take with ferrous sulfate to promote absorption?A doctor (or a pharmacist) may recommend taking ferrous sulfate with orange juice or a vitamin C supplement. Vitamin C is believed to increase the amount of iron absorbed by the body. Swallow the tablet or capsule whole with a glass of water.
When administering ferrous sulfate What is an important nursing consideration?Liquid preparations of ferrous sulfate may stain teeth. Instruct the patient to dilute liquid iron preparations with juice or water, administer through a straw, and rinse the mouth after taking the medication.
Which advice would the nurse give to the patient about taking iron supplements?Iron is best absorbed on an empty stomach. Yet, iron supplements can cause stomach cramps, nausea, and diarrhea in some people. You may need to take iron with a small amount of food to avoid this problem. Milk, calcium and antacids should NOT be taken at the same time as iron supplements.
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