Dark circles under the eyes, sometimes referred to as 'ferritin face' on social media, may indicate low iron levels, according to medical experts. While often considered a cosmetic concern, this symptom can signal a hidden health issue.

Ferritin is a protein that stores iron within the body's cells and releases it as needed. When ferritin levels drop, the body struggles to produce hemoglobin, the protein in red blood cells responsible for transporting oxygen to tissues. This can lead to a reduction in skin elasticity, making the skin appear thinner and less resilient. Consequently, the naturally darker tissue beneath the eyes can become more noticeable, and the skin may lose its healthy color, appearing pale.

Beyond dark under-eye circles and pale skin, other symptoms can point to low ferritin levels. These may include fatigue, dizziness, headaches, brittle nails, hair loss, and cravings to chew ice. Some individuals might also experience decreased exercise tolerance, difficulty concentrating, shortness of breath with exertion, a pounding sensation in the ears, or intolerance to cold.

Underlying Conditions and Risk Factors

Low ferritin can be linked to several underlying medical conditions, including chronic bleeding, gastrointestinal disorders, certain cancers, and malabsorption issues. Procedures like bariatric surgery can impair iron absorption, while some medications, such as proton pump inhibitors and H2-receptor blockers, may also contribute to iron deficiency.

Other contributing factors include pregnancy, heavy menstrual bleeding, frequent blood donation, and diets lacking iron-rich foods, such as vegetarian or vegan diets. Certain demographic groups, like vegetarians and vegans, may be at a higher risk due to dietary choices.

Diagnosis and Treatment

Medical professionals emphasize that self-treating iron deficiency is not advisable due to the risk of iron overload, which can affect the heart and liver. A simple blood test can determine ferritin and iron levels. Further evaluation might involve stool and urine tests to detect blood, and in some cases, endoscopy to examine the digestive tract. Women may also require a gynecological evaluation.

Man getting blood test

Treatment for iron deficiency can include oral iron supplements. However, these can cause gastrointestinal side effects like nausea and constipation. Taking supplements every other day or spacing them apart from calcium, dairy products, and antacids can help minimize these issues. In severe cases, intravenous iron or blood transfusions may be necessary.

Dietary changes, incorporating iron-rich foods such as lean meats, fish, leafy greens, and fortified grains, are also recommended. Once iron stores are replenished and hemoglobin levels normalize, the skin's healthy appearance typically returns, and dark under-eye circles may fade over several months.