In some people, symptoms of methemoglobinemia can strike suddenly and rapidly become severe. If you or your child has been diagnosed with metHb, you need to call 911 or rush to your nearest ...

Hemoglobin SC disease is a genetic condition that affects your red blood cells. Learn more about common symptoms, your treatment options, and possible complications.

If your body doesn’t have enough hemoglobin, your tissues and muscles won’t get enough oxygen to be able to work effectively. Here are 14 signs and symptoms of iron deficiency, starting with ...

Abnormally high or low Hgb can cause symptoms like exhaustion, dizziness, or shortness of breath. ... The Hgb test uses a sample of your blood to determine hemoglobin levels.

Normally, one pair of each of the two α-globin genes, α1 and α2, resides on each copy of chromosome 16. In hemoglobin H disease, three of these four α-globin genes are affected by a deletion ...

Hemoglobin is a protein in red blood cells that transports oxygen around the body. Learn about symptoms, risks, and treatment of high and low levels here.

A low red blood cell count, or anemia, causes many symptoms and complications. Learn more about red blood cell levels here. ... Hemoglobin is also responsible for blood’s red color.

If your hemoglobin level falls very low, you may feel tired and lethargic all the time. Sometimes, those with hereditary spherocytosis show no symptoms, and the disorder is diagnosed because of a ...

Explore how certain cancers, such as leukemia and colorectal cancer, can lead to low hemoglobin levels and anemia. Learn about symptoms, diagnosis, and treatment options.