Iron Deficiency: Overlooked Health Crisis and Its Equity Implications
Iron Deficiency: A Common Yet Overlooked Issue
Iron deficiency affects many people, especially women and individuals in low- and middle-income countries (LMICs). While around 25% of the world has anemia, the rate of iron deficiency may be double that, making it a serious public health concern.
Challenges in Diagnosis and Treatment
Many individuals do not get diagnosed with iron deficiency, or their condition is not treated effectively. In a study of 13,084 patients in the U.S., 58% of patients did not see improvements within three years of being diagnosed. Those who did improve took an average of nearly two years to recover.
Symptoms of iron deficiency include fatigue, weakness, and cognitive difficulties. Pregnant individuals face even greater risks, as iron deficiency can harm infant development.
Disparities in Prevalence and Barriers to Treatment
Recent statistics show that 14% of U.S. adults have absolute iron deficiency. This percentage increases to 34% among women aged 18 to 50. Factors like menstrual cycles and pregnancy put women and girls at greater risk. Rare blood disorders, such as hemophilia, can also contribute to this issue.
Research has often focused on men in clinical trials for hemophilia treatments. This oversight can limit options for women, who may respond differently to treatments due to hormonal differences.
Treatment for iron deficiency typically includes oral iron supplements or intravenous iron therapy. Oral iron is cost-effective but may cause gastrointestinal issues. Intravenous iron is effective but can be hard to access.
Functional iron deficiency often requires treatment for underlying inflammation, complicating management further. In LMICs, challenges like food insecurity and untreated menstrual bleeding worsen the situation. Iron deficiency highlights broader health inequities and unmet needs.
Iron Deficiency as a Marker of Inequality
Increased research shows the widespread problem of iron deficiency, especially in women. This awareness should lead to changes in healthcare practices for better diagnosis and treatment.
Improving diagnostic criteria is essential, such as adjusting ferritin cutoff levels. Expanding access to intravenous iron and addressing root causes of poor iron intake and absorption is also crucial.
References
- The Lancet Haematology. Iron deficiency as a marker of inequality. Lancet Haematol. 2024;11(11):e803. doi:10.1016/S2352-3026(24)00318-1
- Cogan J, et al. Iron deficiency resolution and time to resolution in an American health system. Blood Adv. 2024; bloodadvances.2024013197. doi:10.1182/bloodadvances.2024013197
- Grossi G. Breaking barriers in bleeding disorders: experts call for more data on women. Am J Accountable Care. 2024;12(1):38-40. doi:10.37765/ajac.2024.89525