Anaemia iron deficiency living patient overview

Overview

Iron deficiency anaemia is a condition where your body doesn't have enough iron to make healthy red blood cells. Red blood cells carry oxygen around your body, so without enough iron, you may feel tired and weak.

Yes, iron deficiency anaemia is very common. It affects people of all ages, but is especially common in women who have heavy periods, pregnant women, and people with a diet low in iron.

It can affect anyone, but some groups are at higher risk, including women with heavy periods, pregnant women, young children, teenagers, older adults, and people with conditions that cause blood loss or trouble absorbing iron.

Symptoms

Common symptoms

• Tiredness and lack of energy
• Shortness of breath
• Paleness (pale skin, lips, or inside eyelids)
• Heart palpitations (feeling like your heart is pounding or fluttering)
• Headaches
• Dizziness or lightheadedness
• Cold hands and feet
• Brittle nails or spoon-shaped nails
• Unusual cravings for non-food items like ice, dirt, or starch (a condition called pica)
• Restless legs syndrome (urge to move legs when resting)

Symptoms in children

• Pale skin
• Irritability or fussiness
• Poor appetite
• Tiring easily
• Slowed growth and development
• Frequent infections

Symptoms in older adults

• Confusion or memory problems (can be mistaken for dementia)
• Weakness that makes falls more likely
• Worsening of other health conditions like heart failure or chronic lung disease
• Depression or lack of interest in daily activities

Causes

Main causes

• Blood loss: from heavy periods, or from bleeding in the stomach or bowel (for example, from ulcers, hemorrhoids, or certain cancers)
• Not enough iron in your diet: especially if you eat a vegetarian or vegan diet without enough iron-rich plant foods
• Poor absorption of iron: due to conditions like celiac disease, Crohn’s disease, or after stomach surgery
• Increased need for iron: as in pregnancy, growth spurts in children, or for athletes

Risk factors

• Being a woman of childbearing age (because of menstrual blood loss)
• Pregnancy and breastfeeding
• Following a diet low in iron or high in foods that block iron absorption (like tea, coffee, or high-fibre foods)
• Having a condition that causes chronic blood loss or malabsorption
• Taking certain medicines (like aspirin or ibuprofen) that can cause stomach bleeding
• Having had stomach or intestinal surgery
• Being a vegetarian, vegan, or having a restrictive diet
• Living in a low-income area with limited access to iron-rich foods

When to see a doctor

See a doctor urgently if:

• If you have symptoms of severe anaemia such as chest pain, shortness of breath, or fainting – call your local emergency number immediately
• If you notice blood in your stool or urine, or are vomiting blood – seek urgent medical care

Book a routine appointment if:

• If you have persistent fatigue, paleness, or other common symptoms that don’t go away
• If you have heavy periods or other signs of blood loss
• If you are pregnant and feel very tired
• If you have a family history of inherited anaemias

Diagnosis

Your doctor will ask about your symptoms, lifestyle, and medical history, and then do a physical exam. They will also order a blood test to check your iron levels and your overall blood count.

Tests that may be done

• Full blood count (FBC): a test that measures the number and size of your red blood cells
• Iron studies: blood tests that check how much iron you have stored in your body (ferritin) and how well your body is using iron
• Sometimes additional tests like a test for blood in your stool, or an endoscopy (camera down your throat or up your bottom) to find the source of bleeding

What to expect at your appointment

The process is straightforward. A blood sample is taken from your arm. Results usually come back within a few days. Your doctor will explain what the numbers mean and discuss next steps. If the cause is not obvious, you may be referred to a specialist like a gastroenterologist or a haematologist (blood doctor).

Treatment

Treatment focuses on fixing the low iron levels and addressing the underlying cause. Most people are treated with oral iron supplements, but the exact type and dose should be discussed with your doctor.

Self-care at home

• Eat iron-rich foods: include red meat, poultry, fish, beans, lentils, tofu, dark leafy greens (like spinach), dried fruit, and fortified cereals
• Boost absorption: have vitamin C (e.g., orange juice, bell peppers) with iron-rich meals
• Avoid drinking tea or coffee with meals, as they can reduce iron absorption
• Cook in a cast iron skillet – a small amount of iron can get into your food
• Take iron supplements exactly as prescribed by your doctor – do not take more than recommended as too much iron can be harmful

Medical treatments

Depending on the cause, your doctor may prescribe iron tablets, liquids, or in some cases, intravenous iron (given through a drip). If anaemia is severe or you cannot take oral iron, you may need an iron infusion or even a blood transfusion. Always follow your doctor’s advice and never take iron supplements without a confirmed diagnosis.

When is surgery considered?

Surgery is only needed if there is a source of bleeding that cannot be stopped by other treatments, such as a bleeding ulcer or growth. This is not common for simple iron deficiency anaemia.

Living with this condition

Living with iron deficiency anaemia can be challenging, but most people start to feel better within a few weeks of starting treatment. It may take several months to fully restore your iron stores. Be patient with yourself and rest when you need to.

Lifestyle tips

• Get enough sleep and don't push yourself too hard
• Eat a balanced diet with iron-rich foods as described
• Stay well hydrated
• Avoid alcohol, as it can interfere with iron absorption and may increase bleeding risk
• If you have heavy periods, talk to your doctor – there are treatments to reduce blood loss

Diet and exercise

Eat a variety of iron-rich foods throughout the day. Pair them with vitamin C to help absorption. Gentle exercise like walking can help improve energy levels, but listen to your body and don't overdo it. If you feel short of breath or dizzy, rest.

Mental health and emotional wellbeing

Feeling tired all the time can affect your mood, concentration, and motivation. It's normal to feel frustrated or down. If you notice feelings of depression or anxiety, talk to your doctor. Getting your iron levels back to normal often helps improve mental well-being too.

Prevention

In many cases, yes. Eating a balanced diet with enough iron is the best prevention. For people at high risk, like pregnant women, doctors sometimes recommend a low-dose iron supplement. However, do not start supplements on your own – too much iron can be harmful. Talk to your doctor about your needs.

Screening programmes

If you have risk factors (like heavy periods or a family history of blood disorders), your doctor may check your iron levels during routine health visits. Pregnant women are routinely screened for anaemia.

Complications

If left untreated

• Severe, ongoing fatigue can affect your quality of life
• Weakness may increase your risk of falls and injuries
• Heart problems: your heart has to work harder to pump oxygen, which can lead to an enlarged heart or heart failure
• In pregnancy, untreated anaemia increases the risk of premature birth, low birth weight, and maternal depression
• In children, it can cause developmental delays and problems with learning

Long-term outlook

The outlook is excellent for most people. Once the cause is found and treated, iron levels return to normal and symptoms go away. With proper treatment, you can regain your energy and fully recover. If the anaemia is caused by an ongoing condition, your doctor will help you manage it long-term.

Find support

International organisations

• World Health Organization (WHO)

Local organisations

• Talk to your local health service or GP surgery for information on local support groups · global

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