Eating iron-rich foods is a key part of treating anemia caused by low iron levels. You may also need to take iron supplements as well to rebuild iron stores in your body.
ABOUT IRON SUPPLEMENTS
Iron supplements may be taken as capsules, tablets, chewable tablets, and liquids. The most common tablet size is 325 mg (ferrous sulfate).
Have your health care provider tell you how many pills you should take each day and when you should take them. Taking more iron than your body needs can cause serious medical problems.
Blood counts return to normal after 2 months of iron therapy for most people. You should continue taking supplements for another 6 to 12 months to build up the body's iron stores in the bone marrow.
TIPS FOR TAKING IRON
Iron is absorbed the best 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. You should wait at least 2 hours after having these foods before taking your iron supplements.
Foods that you should NOT eat at the same time as you take your iron include:
Some doctors suggest taking a vitamin C supplement or drinking orange juice with your iron pill. This can help the iron absorb into your body. Drinking 8 ounces of fluid with an iron pill is also okay.
Tell your health care provider about all the medicines you are taking.
Constipation and diarrhea are very common. If constipation becomes a problem, take a stool softener such as docusate sodium (Colace).
Nausea and vomiting may occur with higher doses, but they can be controlled by taking the iron in smaller amounts. Ask your health care provider about switching to another form of iron rather than just stopping.
Black stools are normal when taking iron tablets. In fact, this is felt to be a sign that the tablets are working correctly. Talk to your health care provider right away if:
Liquid forms of iron may stain your teeth.
Keep tablets should in a cool place. (Bathroom medicine cabinets may be too warm and humid, which may cause the pills to fall apart.)
Keep iron supplements out of the reach of children. If your child swallows an iron pill, contact a poison control center right away.
Ginder GD. Microcytic and hypochromic anemias. In: Goldman L, Schafer AI, eds.Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 162.
Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.
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