Low hemoglobin means you don’t have enough of the red blood cells that carry oxygen throughout your body.
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What Low Hemoglobin Means
Hemoglobinis a protein in your red blood cells.
It transports oxygen from your lungs to the rest of your body and removes carbon dioxide from your lungs.

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When your hemoglobin levels are too low, it means your blood can’t complete these tasks as efficiently.
When is hemogrlobin considered too low?
Hemoglobin is measured in grams per deciliter (g/dL).
Normal hemoglobin levels vary depending on age and sex.
What Happens When Hemoglobin Is Too Low?
They include:
What Causes Low Hemoglobin?
There are a few possiblecauses of low hemoglobin.
This anemia usually resolves on its own.
However, most newborns have sufficient iron stored in their bodies for about the first six months of life.
After six months they need an additional source because breast milk doesn’t contain enough iron.
How Are Hemoglobin Levels Tested?
The symptoms of low hemoglobin are similar to the symptoms sparked by many other medical problems.
This test will measure your hemoglobin level and red blood cells.
Your provider will likely also perform a physical exam and other diagnostic tests.
When to See a Healthcare Provider
Slightly low hemoglobin levels aren’t necessarily a cause for concern.
Some people have naturally lower hemoglobin than others.
Preventing Low Hemoglobin Levels
It isn’t always possible to prevent low hemoglobin.
Symptoms of low hemoglobin include headaches, fatigue, fast heartbeat, and pale skin.
Adding more iron-rich foods to your diet is also important if you have iron deficiency anemia.
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