What are the three stages of iron deficiency?

Author: Dr. Stacy Paucek  |  Last update: Friday, May 30, 2025

This occurs in three stages:
  • First stage. Iron stores decrease. Your low iron supply hasn't affected your red blood cells yet.
  • Second stage. When iron stores are low, your body alters the way it processes red blood cells. ...
  • Third stage. Hemoglobin drops below the normal range.

How do you know if your iron deficiency is severe?

People with mild or moderate iron-deficiency anemia may not have any symptoms. More serious iron-deficiency anemia may cause common symptoms of anemia, such as tiredness, shortness of breath, or chest pain. Other symptoms include: Fatigue.

What is a stage 2 iron deficiency?

Stages of iron deficiency

During stage 2, erythropoiesis is impaired. Although the transferrin level is increased, the serum iron level decreases; transferrin saturation decreases. Erythropoiesis is impaired when serum iron falls to < 50 mcg/dL (< 9 micromol/L) and transferrin saturation to < 16%.

What happens to your body if you have extremely low iron?

Iron deficiency anemia may lead to a rapid or irregular heartbeat. Your heart must pump more blood to compensate for the lack of oxygen carried in your blood when you're anemic. This can lead to an enlarged heart or heart failure. Problems during pregnancy.

What hurts when your iron is low?

Occasionally, it can cause chest pain, a fast heartbeat and shortness of breath. Or it can cause you to crave non-food items like ice, dirt or paper. These are all signs of iron-deficiency anemia.

Iron deficiency anemia - an Osmosis Preview

What drink has the most iron?

The following drinks high in iron for anemia can supplement your diet:
  • Prune juice. Prune juice is high in iron and is an excellent supplement to heme (animal-based) iron. ...
  • Beetroot juice. ...
  • Spinach, cashew, and raspberry smoothie. ...
  • Cocoa and beef liver smoothie. ...
  • Pea protein shakes. ...
  • Pumpkin juice.

What not to do when you have iron deficiency?

Foods That Block Iron Absorption
  1. milk, cheese, yogurt*
  2. soy, tofu*
  3. chocolate.
  4. ice cream.
  5. grapes.
  6. popcorn.
  7. sardines, canned salmon*
  8. pomegranate.

How to check iron levels at home?

How do I use an at-home iron test?
  1. Order a kit online or at a local pharmacy.
  2. Use the provided testing materials to perform a finger prick.
  3. Collect a blood sample.
  4. Send the sample to a laboratory.
  5. Wait for the results.

At what point is low iron an emergency?

Persistent fatigue, breathlessness, rapid heart rate, pale skin, or any other symptoms of anemia; seek emergency care for any trouble breathing or change in your heart beat.

What is the number one cause of low iron?

Common causes include heavy menstrual periods, regular blood donation, regular nosebleeds, other chronic conditions that involve bleeding (such as peptic ulcers, polyps or cancers in the large intestine), and certain medications, particularly aspirin.

What blocks iron absorption?

Inhibitors of iron absorption include phytate, which is a compound found in plant-based diets that demonstrate a dose-dependent effect on iron absorption. Polyphenols are found in black and herbal tea, coffee, wine, legumes, cereals, fruit, and vegetables and have been demonstrated to inhibit iron absorption.

How can I raise my iron levels quickly?

Here are three effective ways to boost your iron levels.

Great options include red meat, liver, seafood, beans, lentils, spinach and fortified cereals. Consuming vitamin C with iron-rich foods can enhance absorption, so try pairing them with citrus fruits or tomatoes.

What are the neurological symptoms of iron deficiency?

Neurological symptoms
  • Impulsivity and concentration problems. . Iron deficiency results in less oxygen reaching the brain. ...
  • restless legs syndrome. . ...
  • Muscular weakness. . ...
  • Peripheral neuropathy. . ...
  • Extreme fatigue. . ...
  • Chest pain or shortness of breath. . ...
  • Nail brittleness or hair loss. . ...
  • Cold hands and feet. .

Does black poop mean iron tablets are working?

Taking iron tablets can turn the stool a dark, almost black color (actually dark green). This is normal, and does not mean that the iron tablets are causing GI bleeding. Children are at particular risk of iron poisoning (overdose), making it very important to store iron tablets out of the reach of children.

What food is most high in iron?

Meat and Eggs
  • Turkey.
  • Chicken.
  • Veal.
  • Pork.
  • Dried beef.
  • Liver.
  • Liverwurst.
  • Eggs (any style)

How do you know if your iron is extremely low?

Symptoms of iron-deficiency anemia are related to decreased oxygen delivery to the entire body and may include: Being pale or having yellow "sallow" skin. Unexplained fatigue or lack of energy. Shortness of breath or chest pain, especially with activity.

Can you check your iron with a phone?

AnemoCheck Mobile is the first wellness app that estimates your likelihood of iron deficiency anemia with a fingernail selfie. By tracking your iron score as it changes over time, you can make decisions that promote a healthy lifestyle and optimize your health.

How to check anemia in eyes?

— A doctor can quickly get an idea of whether someone is anemic by pulling down the person's eyelid and judging its redness, a color indicating the number of red blood cells.

What snack has the most iron?

Luckily, there are many fruits and green leafy vegetables high in iron. Green leafy veg, like spinach, kale, broccoli, and brussel sprouts are great, iron rich vegetables that you can add to many meals, and dried fruits like prunes, apricots, and figs make delicious iron-rich snacks.

Is it better to take iron every day or every other day?

Abstract. In iron-depleted women without anemia, oral iron supplements induce an increase in serum hepcidin (SHep) that persists for 24 hours, decreasing iron absorption from supplements given later on the same or next day. Consequently, iron absorption from supplements is highest if iron is given on alternate days.

What fruit is high in iron?

Avocado, strawberries, watermelon, raisins, dates, figs, prunes dried apricots, and dried peaches are iron-rich fruits. Iron is a mineral the body uses to make hemoglobin, a protein in red blood cells that transports oxygen throughout the body.

Is peanut butter high in iron?

Peanut butter is rich in iron and can be used as a spread or served to children. Peanut butter contains 0.56 mg iron per tablespoon. White beans are good when it comes to iron, providing 8 mg per serving.

How do you know if you have low iron in your eyes?

Iron deficiency anemia can cause several vision signs and symptoms, including:
  • Inner Eyelids That Look White Instead of Pink.
  • Blue Appearance to the Sclera (Whites of the Eyes)
  • Blurry Vision.
  • Blind Spots.
  • Eye Pain.
  • Flashes and Floaters.
  • Temporary Darkening of Vision.
  • Dark Circles Under the Eyes.

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