Why do iron tablets give me diarrhea?

Category: medical health digestive disorders
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Taking more iron than your body needs can cause serious medical problems. 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.



Simply so, what are the side effects of taking iron tablets?

  • constipation,
  • dark stools,
  • stomach pain,
  • nausea, and.
  • vomiting.

One may also ask, why do iron tablets make me feel sick? In some people, iron pills cause stomach discomfort, nausea, diarrhea, constipation, and black stool. Iron is best absorbed if taken on an empty stomach. But if you are having stomach problems, you may need to take the pills with food. If the side effects of your iron pills make you feel too sick, talk to your doctor.

Additionally, do iron pills make you poop alot?

It helps your body absorb the iron. You might need to take iron supplements for a few months or more to get your levels back up to normal. But be warned: Iron supplements can cause constipation, nausea, vomiting, diarrhea, heartburn, and dark poop.

Can ferrous fumarate cause diarrhea?

Ferrous fumarate works best when taken on an empty stomach. Most people feel better after taking ferrous fumarate for 1 week, but it may take up to 4 weeks to take full effect. Common side effects include feeling or being sick, and diarrhoea.

35 Related Question Answers Found

Does Iron affect sleep?

It is usually worse at night, meaning that sufferers may struggle to get much sleep. The causes of restless leg syndrome are not fully understood. However, up to 25% of people with restless leg syndrome are thought to have iron-deficiency anemia, and the lower the iron levels, the worse the symptoms ( 19 ).

What are the 3 stages of iron deficiency?

In stage 3, anemia (reduced hemoglobin levels) is present but red blood cell appearance remains normal. Changes in the appearance of red blood cells are the hallmark of stage 4; first microcytosis and then hypochromia develop. Iron deficiency begins to affect tissues in stage 5, manifesting as symptoms and signs.

Does black poop mean iron tablets are working?

? Iron pills may cause stomach problems, such as heartburn, nausea, diarrhea, constipation, and cramps. Iron pills can change the color of your stool to a greenish or grayish black. This is normal, but because internal bleeding can also cause dark stool, be sure to mention any color changes to your doctor.

Is it OK to take an iron supplement every day?

For the treatment of iron deficiency anemia in adults, 100 to 200 mg of elemental iron per day has been recommended. The best way to take the supplement so that you absorb the greatest amount of iron is to take it in two or more doses during the day. However, extended-release iron products may be taken once a day.

Do iron tablets make you tired?


Its main job is to help make red blood cells, which transport oxygen around the body. That's why iron deficiency can cause anaemia (where there aren't enough red blood cells), which makes us feel tired and breathless. A typical daily iron supplement contains 15mg and an 8oz steak has around 6mg.

Can you take iron with magnesium?

Magnesium and iron
They are generally safe to take together, although the advice is often to take them with food when taken orally, to reduce the chances of suffering an upset stomach.

When should I take iron morning or night?

In most cases, the best time to take iron supplements is about one hour before or two hours after meals. Iron supplements are best taken with water on an empty stomach. There is a long list of foods, such as coffee, tea or milk, which interfere with the absorption of ferrous iron.

What are the symptoms of too much iron?

Symptoms, signs and diseases resulting from too much iron (iron overload):
  • chronic fatigue.
  • joint pain.
  • abdominal pain.
  • liver disease (cirrhosis, liver cancer)
  • diabetes mellitus.
  • irregular heart rhythm.
  • heart attack or heart failure.
  • skin color changes (bronze, ashen-gray green)

Does iron pills make you lose weight?

To burn fat, the body needs oxygen. If your iron levels are low, the body cannot oxidize fat as well as it should, thereby slowing your ability to lose weight. If you have been told you have low iron by your doctor and were recommended to take an iron supplement and you're not; you're only hurting yourself.

Does Iron make you lose weight?


Iron plays a role in helping your body create energy from nutrients. Iron helps carry oxygen to all of the cells in your body, including your muscles. This, in turn, helps them burn fat. Too little iron can lead to iron deficiency anemia, which is one of the most common nutritional deficiencies in the United States.

Does Iron make you gain weight?

Patients who receive iron treatment gain weight, if they do not make diet or have a metabolic disease. So, iron therapy increases serum ferritin levels accompanying with body weight.

How does anemia make you feel?

Anemia Signs and Symptoms
People who are anemic most often experience fatigue. While it's normal to feel tired after a long day at work or a heavy exercise session, when you're anemic, you feel weary after shorter and shorter periods of exertion as your body's cells become starved for oxygen.

Why is my poop black when I take iron?

You may have noticed after taking iron that your stools have turned black or dark green. Black or dark stools are a common side effect that may be the harmless result of unabsorbed iron. Whether you are taking iron supplements alone or a multivitamin with iron, you may experience this.

How quickly do iron tablets work?

– It usually takes 2 to 3 weeks of taking regular iron supplements before your symptoms start to improve. – You may need to keep taking iron for several months to build up your iron reserves and keep your anemia from returning. Take your pills for as long as your doctor recommends, even if your symptoms have improved.

Is low iron a sign of cancer?


If you have cancer, you may not be familiar with the role that iron deficiency anemia often plays in the disease. On the flip side, all cancer types are associated with an increased risk of developing iron deficiency anemia, though the risk is higher with certain types of cancer.

What level of anemia is severe?

For all of the tested groups, moderate anemia corresponds to a level of 7.0-9.9 g/dl, while severe anemia corresponds to a level less than 7.0 g/dl.

How do I know if I'm anemic?

Symptoms common to many types of anemia include the following: Easy fatigue and loss of energy. Unusually rapid heart beat, particularly with exercise. Shortness of breath and headache, particularly with exercise.