Iron Deficiency Symptoms in Women: Signs, Causes and Foods to Improve Iron Levels

Last reviewed: [27/10/26]

The most common iron deficiency symptoms in women are constant tiredness, weakness, dizziness, pale skin, hair fall and shortness of breath. These signs often start slowly, so many women think they are just “normal tiredness” and ignore them for months.

Iron helps your body make haemoglobin. This is the part of your blood that carries oxygen everywhere in your body. When iron runs low, your body gets less oxygen, and you start to feel tired and weak.

Iron deficiency in women is very common in India. According to the National Family Health Survey (NFHS-5, 2019–21), about 57 out of every 100 women aged 15–49 in India are anaemic. Lack of iron is one of the main reasons. On Dr Curo, we explain such health topics in simple words, so you can understand what your body may be telling you.

Signs of Low Iron at a Glance

Here are the 14 most common signs of low iron:

• Constant tiredness and low energy
• Weakness and dizziness
• Pale skin
• Hair fall or thin hair
• Brittle or spoon-shaped nails
• Shortness of breath during normal activity
• Headaches and trouble focusing
• Fast heartbeat or palpitations
• Craving ice, chalk or soil (pica)
• Restless legs, especially at night
• Cold hands and feet
• Sore or smooth tongue, and cracks at the corners of the mouth
• Low mood or irritability
• Getting sick often

Please note: These symptoms can also come from other problems, such as thyroid disease, stress, poor sleep or other nutritional deficiencies. Symptoms alone cannot confirm iron deficiency. Only a blood test can. Do not start iron tablets on your own. Too much iron can be harmful, and it can hide the real cause of your symptoms.

What Is Iron Deficiency?

Iron deficiency means your body does not have enough iron for its needs. Iron is one of the essential nutrients your body needs every day. It helps make red blood cells and supports your energy and brain function.

Iron deficiency can happen in two steps:

• Step 1: Your iron stores become low, but your haemoglobin is still normal.
• Step 2: Your haemoglobin also falls. This is called iron deficiency anaemia.

This is why some women feel unwell even when a simple blood count looks normal.

Iron Deficiency Symptoms in Women

The symptoms of low iron in women can be mild at first. Some women have many signs, and some have only one or two.

Constant tiredness and low energy

You feel tired even after a full night’s sleep. Simple tasks like climbing stairs or cooking feel heavy. This is the most common sign.

Weakness and dizziness

You may feel weak, light-headed or unsteady, especially when you stand up fast.

Pale skin

Your face, lips, or the inside of your lower eyelids may look paler than normal. Skin colour changes naturally from person to person, so a blood test is a better guide than the mirror.

Hair fall or thin hair

Low iron may increase hair shedding in some women. Hair fall also has many other causes, such as stress, thyroid problems and seasonal changes. To learn more, read our guide on hair care tips to reduce hair fall.

Brittle or weak nails

Nails may break easily. In more severe cases, they can curve inward like a spoon (called koilonychia).

Shortness of breath

You may get out of breath while walking fast or climbing stairs. Your heart and lungs work harder when your blood carries less oxygen.

Headaches and poor focus

You may get frequent headaches or find it hard to concentrate at work or study.

Fast heartbeat

Your heart may feel like it is racing or pounding, especially during activity.

Unusual cravings (pica)

Some women crave ice, chalk, soil or paper. Craving ice is often linked to low iron. Eating non-food items can be harmful, so tell your doctor about it.

Restless legs

You feel an urge to move your legs, mostly at night. Low iron stores can be one reason.

Cold hands and feet

Low iron can reduce warmth and blood flow to your hands and feet, so they feel cold even in mild weather.

Sore tongue and cracked mouth corners

Your tongue may look pale, smooth or sore. You may also get painful cracks at the corners of your mouth.

Low mood and irritability

Low energy and poor sleep can make you feel low, anxious or short-tempered.

Frequent infections

Iron supports your body’s defence system. When it is low, you may catch colds and infections more often.

Quick Reference Table

Iron Deficiency vs Anaemia: What Is the Difference?

Many people use these two words as if they mean the same thing, but they do not.

Reference values (as per WHO): Anaemia is diagnosed when haemoglobin is below 12 g/dL in non-pregnant women and below 11 g/dL in pregnant women.

Ferritin shows how much iron your body has stored. A ferritin level below about 15 ng/mL usually points to iron deficiency. Labs and doctors may use slightly different ranges, so always read your report with your doctor.

Not all anaemia is caused by iron. Low vitamin B12 or folate, infections and some blood conditions can also cause it. Our article on signs your body may be missing essential nutrients explains how different nutritional deficiencies can look alike.

What Causes Low Iron in Women?

Low iron happens when your body loses more iron than it gets, or does not absorb enough.

• Heavy or long periods: This is one of the biggest causes in women. Signs include changing pads very often, bleeding for more than 7 days, or passing large clots. Causes can include fibroids, adenomyosis and PCOS-related bleeding.
• Pregnancy and breastfeeding: Your body needs much more iron to support your baby and your own blood.
• Not enough iron in food: This can happen with strict dieting, skipping meals, or diets with few pulses, greens and iron-rich foods.
• Poor absorption: Conditions like coeliac disease, long-term acidity medicines (PPIs) and H. pylori infection can reduce how much iron you absorb.
• Hidden blood loss: Bleeding in the stomach or gut, such as from an ulcer or piles, can slowly drain iron. Read more in our guide on stomach ulcer treatment and the best diet.
• Intestinal worms: Hookworm infection can cause blood loss in the gut and is a known cause of anaemia in India.
• Frequent blood donation.

Who Is at Higher Risk?

Having a risk factor does not mean you have iron deficiency. It only means you should be more alert.

How Doctors Check Iron Levels

Your doctor may ask about your periods, diet, medicines and symptoms. Then they may suggest:

• Complete Blood Count (CBC): Checks haemoglobin and red blood cells. It can show anaemia, but may miss early iron deficiency.
• Serum ferritin: Shows your iron stores. It can read falsely high during infection or inflammation.
• Other iron tests: Serum iron, transferrin saturation and TIBC give more detail when needed.

Not everyone needs every test. Your doctor will choose what fits your case.

Iron-Rich Foods for Women

Iron comes in two forms. Haem iron (from meat, fish and eggs) is absorbed more easily. Non-haem iron (from plant foods) is absorbed less easily, but you can improve this with the right food combinations.

Indian Iron-Rich Foods

Vitamin C Foods That Help Iron Absorption

Eating these with an iron-rich meal can help your body take in more iron from plant foods:

• Amla
• Guava
• Oranges and mosambi
• Lemon
• Tomato
• Capsicum
• Kiwi and strawberries

These are good foods to improve iron levels, and they fit easily into a balanced diet.

How to Improve Iron Absorption

Good healthy eating habits help your body use iron better. Try these simple steps:

Do this:

• Add lemon, tomato, amla or guava to iron-rich meals.
• Soak, sprout or ferment pulses and grains (dosa, idli, dhokla). This lowers phytates, which block iron absorption.
• Cook in an iron kadhai or tawa, especially tomato-based or sour dishes. Small amounts of iron can move into the food.
• Eat a mix of foods in your meals, not just one “iron food.”

Avoid this with your iron-rich meal:

• Tea and coffee: They contain tannins that reduce iron absorption. Drink them at least an hour before or after meals.
• Calcium-rich foods and supplements: Milk, curd, paneer and calcium tablets can reduce iron absorption when taken at the same time. Keep a gap between them and your main iron-rich meal. Do not stop calcium, though. It is also important. See our article on calcium and vitamin D deficiency.
• Too much spinach for iron: Spinach has iron, but it also has oxalates, which stop your body from absorbing much of it. Eat a variety of greens.

Iron Myths: Beetroot, Pomegranate and Jaggery

No single food can fix iron deficiency. A balanced diet helps, but if you have confirmed anaemia, you may need treatment as well.

Iron Deficiency Treatment

Treatment depends on how low your iron is and what is causing it.

• Food changes: More iron-rich foods plus vitamin C, as explained above.
• Iron tablets or syrup: Your doctor may prescribe these if your tests show low iron. They are often best absorbed on an empty stomach with a vitamin C source, but your doctor will guide you. Keep a gap from tea, coffee, calcium and antacids. Common side effects are constipation, nausea and dark stools. Tell your doctor if they bother you instead of stopping on your own. Keep iron tablets away from children.
• Iron injection or drip (IV iron): Used when tablets do not work, are not tolerated, or when iron is needed quickly. It is given under medical supervision.
• Treating the cause: Heavy periods, worms, gut problems or hidden bleeding must be found and treated. If the cause stays, iron can drop again.

How long does recovery take? Haemoglobin often starts to improve in a few weeks. Rebuilding iron stores (ferritin) usually takes longer, often a few months. Your doctor may repeat blood tests and tell you when to stop. Do not stop early, even if you feel better.

When to See a Doctor

Get checked if you have:

• Tiredness or weakness that lasts for weeks
• Heavy or long periods
• Dizziness, headaches or breathlessness in daily life
• Frequent palpitations
• Cravings for ice, chalk or soil
• Iron deficiency that has come back
• Pregnancy, or plans for pregnancy (get your haemoglobin checked early)

Get urgent medical help for sudden or severe breathlessness, chest pain, fainting or very heavy bleeding.

Frequently Asked Questions (FAQs)

What are the signs of iron deficiency in females?

The most common signs of iron deficiency in females are tiredness, weakness, pale skin, dizziness, hair fall, brittle nails, cold hands and feet, and shortness of breath. Girls and women with heavy periods should watch for these signs, because they lose iron every month. A blood test can confirm it.

What is the difference between iron deficiency symptoms and iron deficiency anaemia symptoms?

In early iron deficiency, you may have mild signs like tiredness, hair fall, restless legs or poor focus, and your haemoglobin may still be normal. In iron deficiency anaemia, your haemoglobin is low, so you may also feel breathless, dizzy and weak, with pale skin and a fast heartbeat.

Can low iron cause hair fall in women?

It can in some women, but it is not the only cause. Thyroid problems, stress, illness and other nutritional deficiencies can also cause hair fall. Get tested before taking iron for hair.

How can I increase my iron levels naturally?

Eat iron-rich foods like pulses, ragi, seeds, dates, green leafy vegetables, eggs or meat. Add vitamin C foods such as lemon, amla or guava. Avoid tea and coffee with meals. If your tests show anaemia, food alone may not be enough.

Which fruits are good for low iron?

Guava, orange, amla, kiwi and strawberries do not have much iron themselves. However, their vitamin C helps your body absorb iron from plant foods. Dates and dried figs have more iron.

Can I have iron deficiency without anaemia?

Yes. Your iron stores can be low while your haemoglobin is still normal. A ferritin test can find this.

Should I take iron tablets if I feel tired all the time?

Not without testing. Tiredness can come from poor sleep, stress, thyroid problems or low vitamin B12. Take iron only if a doctor advises it.

Is low iron common during pregnancy?

Yes. Your body needs more iron to support your baby and your increased blood supply. Haemoglobin is usually checked during pregnancy, and your doctor may advise supplements. Do not choose the dose yourself.

Key Takeaways

• Common iron deficiency symptoms in women include tiredness, weakness, dizziness, pale skin, hair fall and breathlessness.
• Heavy periods, pregnancy, poor diet, poor absorption and hidden bleeding are the main causes.
• Anaemia in women means Hb below 12 g/dL (below 11 g/dL in pregnancy).
• Pair iron-rich foods with vitamin C, and keep tea, coffee and calcium away from iron-rich meals.
• Test before you treat, and find the cause.

Conclusion

Low iron is common, and it can be fixed once you know the cause. If you often feel tired, weak or dizzy, listen to your body and get a simple blood test. Along with the right treatment, a balanced diet and healthy eating habits can help you get your energy back.

Dr Curo is a medical information website, and it shares simple, easy-to-follow guides to help you understand your health. To read more about nutrition and everyday health, visit our Lifestyle & Wellness section. If you are pregnant, or if you have heavy periods, read more in our Fertility & Women Health section.

Disclaimer: This article is for general education only. It does not replace advice, diagnosis or treatment from a qualified doctor.