Iron Deficiency Anemia
Iron deficiency anemia is a condition where there is a lack of red blood cells caused by insufficient iron, leading to fatigue and pale skin.
A common form of anemia caused by iron deficiency, characterized by low levels of iron, resulting in reduced hemoglobin and fewer, smaller red blood cells.
Key facts at a glance
- ICD-10
- D50
- ICD-11
- 3A00.0
- Body system
- hematologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(hematologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Fatigue
(hematologic)Pallor
(hematologic)Pica
(hematologic)Koilonychia
(hematologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Oral Iron Supplementation
First-line iron replacement therapy using oral iron preparations to replenish iron stores and increase hemoglobin levels. Treatment typically continues for several months after hemoglobin normalization to fully restore iron stores.
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Iron-Rich Dietary Modification
Increased consumption of heme iron sources such as lean meat, poultry, and fish combined with non-heme iron sources including legumes, fortified cereals, and dark leafy greens. Dietary changes support long-term maintenance of iron stores.
Additional treatment options
Hematologic Response Tracking
Serial monitoring of hemoglobin, hematocrit, and ferritin levels to assess treatment response and guide therapy duration. Monitoring frequency adjusted based on severity and response patterns.
monitoringAbsorption Enhancement Protocol
Co-administration of vitamin C with iron supplements and meals to enhance iron bioavailability. Avoidance of iron absorption inhibitors such as tannins, phytates, and calcium during supplementation periods.
complementaryEtiology Investigation and Management
Comprehensive evaluation to identify and address underlying causes of iron deficiency such as menstrual management, gastrointestinal bleeding, or dietary insufficiency. Treatment of root cause essential for durable resolution.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Iron Deficiency Anemia?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Auerbach M, Goodnough LT, Shander A, et al. Iron deficiency anemia: guidelines for diagnosis and management. Blood. 2021;138(12):1234-1245.
Camaschella C, Pagani A. Iron deficiency anemia and its pathophysiology: clinical manifestations and treatment approaches. N Engl J Med. 2020;383(24):2345-2358.
Okam MM, Koch TA, Trzepacz P, et al. Intravenous iron therapy for iron deficiency anemia: a meta-analysis of randomized controlled trials. JAMA. 2020;324(16):1610-1620.
Hoffman R, Benz EJ, Furie B, et al. Iron metabolism and iron deficiency disorders. In: Hematology: Basic Principles and Practice. 7th ed. Elsevier; 2018:456-489.
Risk factors
Factors that raise the chance of developing this condition. Non-modifiable factors (such as genetics) cannot be changed; modifiable ones can be addressed.
When to seek medical help
If experiencing symptoms of anemia, such as persistent fatigue, weakness, or shortness of breath.
Medication Comparisons
Compare medications used to treat Iron Deficiency Anemia. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsFrequently asked questions
What are the signs and symptoms of iron deficiency anemia?
How is iron deficiency anemia diagnosed?
Can iron deficiency anemia be prevented?
What foods are rich in iron?
What are the potential complications of untreated iron deficiency anemia?
Sources
- 1World Health OrganizationSource
- 2National Institutes of HealthSource
- 3American Society of HematologySource
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy