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Iron-deficiency anemia can range from mild to severe. A mild case usually causes no symptoms or problems. However, a severe case can cause extreme fatigue (tiredness) and weakness. Severe iron-deficiency anemia can lead to serious problems for young children and pregnant women, and it can affect the heart.

Iron-deficiency anemia can range from mild to severe. A mild case usually causes no symptoms or problems. However, a severe case can cause extreme fatigue (tiredness) and weakness. Severe iron-deficiency anemia can lead to serious problems for young children and pregnant women, and it can affect the heart.

In young children, iron-deficiency anemia can cause a heart murmur and delays in growth and development. It puts a child at greater risk for lead poisoning and infections, and it can cause behavior problems.

In young children, iron-deficiency anemia can cause a heart murmur and delays in growth and development. It puts a child at greater risk for [[lead poisoning]] and [[infection]]s, and it can cause behavior problems.

In pregnant women, iron-deficiency anemia can increase the risk of a premature delivery and a low-birth-weight baby.

In pregnant women, iron-deficiency anemia can increase the risk of a premature delivery and a low-birth-weight baby.

The heart is affected when there is a lack of oxygen in the body. The heart has to work harder to get enough oxygen throughout the body. Over time, this stress on the heart can lead to a fast or irregular heartbeat, chest pain, an enlarged heart, and even heart failure.

The heart is affected when there is a lack of [[oxygen]] in the body. The heart has to work harder to get enough oxygen throughout the body. Over time, this stress on the heart can lead to a fast or irregular heartbeat, chest pain, an enlarged heart, and even [[heart failure]].

== Important General Information ==

== Important General Information ==