12. Heart palpitations
Noticeable heartbeats, also known as palpitations, can be another symptom of iron deficiency anemia. Hemoglobin is a protein found in red blood cells that helps transport oxygen around your body. In iron deficiency, low hemoglobin levels mean that your heart has to work harder to carry oxygen. This can lead to an irregular heartbeat or a feeling that your heart is beating abnormally fast. In some severe cases, it can lead to an expanded heart, heart murmur, or even heart malfunction. Heart palpitations or heart attacks. However, these symptoms are much less common. To experience them you will have to suffer from iron deficiency for a long time.
