Iron is an essential mineral that helps your body make hemoglobin, a protein in red blood cells that carries oxygen. Without enough iron in your body, you may develop iron-deficiency anemia, a condition that can cause a variety of symptoms.

Here are some of the most common symptoms of iron-deficiency:.

1. Fatigue

Feeling tired or weak is a common symptom of iron-deficiency anemia. This is because your body doesn’t have enough iron to make hemoglobin, which means your muscles and organs aren’t getting enough oxygen.

As a result, you may feel tired or weak even when you’ve had enough rest.

2. Pale Skin

If you’re not getting enough iron, your skin may become pale. This is because your body is diverting the limited amount of iron it has to your vital organs, such as your heart and brain, and away from less essential areas like your skin.

3. Shortness of Breath

Because your body isn’t getting enough oxygen, you may also feel short of breath or have difficulty breathing. This can be especially noticeable when you’re doing physical activity or exercising.

4. Headaches and Dizziness

A lack of oxygen can also cause headaches and dizziness. If you’re feeling lightheaded or have a headache, it’s possible that you’re not getting enough iron.

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5. Weakness

Iron-deficiency anemia can also cause weakness or lack of energy. This can make it difficult to perform everyday tasks or take part in physical activities.

6. Cold Hands and Feet

Because your body is diverting the available iron to your vital organs, your extremities may not get enough blood and oxygen. This can cause your hands and feet to feel cold or numb.

7. Brittle Nails

Your nails may become brittle or break easily if you’re not getting enough iron. This is because iron is important for healthy nail growth.

8. Swollen Tongue

In some cases, iron-deficiency anemia can cause the tongue to become swollen or inflamed. This can make it difficult to eat or speak.

9. Cravings for Non-Food Items

In rare cases, iron-deficiency anemia can cause a condition called pica, which causes cravings for non-food items like ice, dirt, or paper.

10. Restless Legs

Iron-deficiency anemia has also been linked to restless leg syndrome, a condition that causes an uncomfortable sensation in the legs and an urge to move them.