Do Fibroids Cause Anemia is an important concern for many women with uterine fibroids. Fibroids can lead to heavy or prolonged menstrual bleeding, which may reduce iron levels in the body over time and result in iron-deficiency anemia. This can cause symptoms such as fatigue, weakness, dizziness, and low energy. Not all fibroids cause anemia, but when bleeding is significant, the risk increases. Early diagnosis and proper treatment of fibroids can help control bleeding and improve iron levels.