# Iron Deficiency Anaemia

- Link: https://medical-laboratory-services.com/?p=447
- Published: 2026-07-29T10:43:16+00:00
- Author: SHOHEL RANA

## _**Iron Deficiency Anaemia**_

Iron deficiency anemia (IDA) is a common type of anemia that occurs when the body
doesn’t have enough iron to produce adequate amounts of hemoglobin, the protein 
in red blood cells that carries oxygen from the lungs to the rest of the body. Iron
deficiency can develop gradually over time due to various factors, including insufficient
dietary intake of iron, impaired absorption of iron from the diet, increased iron
requirements (such as during pregnancy or rapid growth periods), chronic blood loss,
or certain medical conditions that interfere with iron metabolism.

Here are the key features and characteristics of iron deficiency anemia:

 1. **Signs and Symptoms**:
 2.  * Fatigue and weakness
     * Pale skin (pallor)
     * Shortness of breath
     * Headaches and dizziness
     * Cold hands and feet
     * Brittle nails
     * Rapid or irregular heartbeat (palpitations)
     * Reduced exercise tolerance
     * Restless legs syndrome
     * Craving for non-food substances (pica), such as ice or dirt
 3. **Laboratory Findings**:
 4.  * Low hemoglobin (Hb) levels: Hemoglobin levels below the reference range for 
       age and sex are characteristic of anemia.
     * Low serum ferritin levels: Ferritin is a protein that stores iron in the body.
       Reduced ferritin levels indicate depleted iron stores.
     * Low serum iron levels: Serum iron levels may be decreased in iron deficiency
       anemia due to insufficient iron supply.
     * High total iron-binding capacity (TIBC): TIBC measures the body’s capacity to
       bind and transport iron. Elevated TIBC levels reflect increased iron-binding
       capacity due to iron deficiency.
     * Low mean corpuscular volume (MCV): MCV measures the average size of red blood
       cells. In iron deficiency anemia, red blood cells are typically smaller than
       normal (microcytic), resulting in a low MCV.
 5. **Causes**:
 6.  * Inadequate dietary intake of iron-rich foods, such as meat, poultry, fish, beans,
       lentils, fortified cereals, and green leafy vegetables.
     * Impaired iron absorption due to gastrointestinal disorders (e.g., celiac disease,
       inflammatory bowel disease), surgical removal of part of the stomach or intestines,
       or medications that interfere with iron absorption (e.g., proton pump inhibitors,
       antacids).
     * Increased iron requirements during periods of rapid growth (e.g., infancy, adolescence)
       or pregnancy.
     * Chronic blood loss due to gastrointestinal bleeding (e.g., ulcers, hemorrhoids,
       colon cancer), menstruation, or frequent blood donation.
 7. **Treatment**:
 8.  * Iron supplementation: Oral iron supplements are typically prescribed to replenish
       iron stores and correct anemia. It’s important to take iron supplements as directed
       by a healthcare provider to avoid side effects and ensure optimal absorption.
     * Dietary changes: Consuming iron-rich foods and vitamin C-rich foods (which enhance
       iron absorption) can help improve iron levels. Examples include red meat, poultry,
       fish, beans, lentils, tofu, spinach, broccoli, strawberries, and citrus fruits.
     * Treatment of underlying causes: Addressing underlying conditions that contribute
       to iron deficiency, such as gastrointestinal disorders or chronic blood loss,
       is essential for long-term management.

Iron deficiency anemia is a treatable condition, and early diagnosis and intervention
can help alleviate symptoms, improve quality of life, and prevent complications.
It’s important for individuals experiencing symptoms of anemia to seek medical evaluation
and appropriate management from a healthcare provider.

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