What happens to hemoglobin in B12 deficiency?

It decreases . In B12 deficiency, anemia develops, blood cells enlarge, and the hemoglobin declines.
B12 Anemia. In B12 deficiency, the type of anemia is known as a macrocyctic anemia or large cell anemia. There is insufficiency anemia in the red blood cell.

Related Questions

I've been on a diet for 7 months and my hemoglobin was 14.7 (smoker). Is it possible to develop mild anemia due to iron or B12 deficiency in 7 months?

Yes. Average lifespan of red blood cell is 90d so any nutritional deficiency affecting rbc size should show up after 7 months. Read more...
Yes. Are you saying that your hemoglobin dropped to the anemia range? Nutritional anemias can pop up fast, or there may be another cause. All anemias are serious, and need to have a cause found. I hope that your diet did not make you deficient in one of the nutrients that you need -- it's best to work with your physician on this when you start. Hope the cause is found soon. Read more...

Normal MCV RDW 15.4 and tibc 464 could this be a sign of B12 deficiency? Hemoglobin jumps from 11.7 to 13 every other mo. Menses is only every 2mo

Iron deficiency. What you described is more suggestive for iron deficiency. High TIBC suggests low iron. You may take over the counter iron supplements. Take it with food to reduce stomach upset and if it causes constipation, take a fiber laxative like metamucil. Read more...

Had B12 deficiency. Taking monthly injection. But still feel fatigue. Esp thighs and lower back burns. Heamoglobin is 14.fatigue with even slight exercise?

Young men don't get- Why should a young man be fatigued? I doubt seriously that you would have had B12 deficiency, a disease of the older people. Commonest cause of fatigue is inadequate sleep which may have an emotional basis. Make sure that you are not suffering from depression. Once that has been ruled out and if you are able to get 8 hours of uninterrupted sleep, you should exercise/walk daily to energize you. Read more...

Any tips on B12 deficiency?

Usually caused. By a problem with a stomach cofactor for absorption, so you cannot overcome the problem with oral supplements. Im shots work fine and will correct the blood problems. Can also lead to neurologic issues so treatment is important. Read more...

How to know what is B12 deficiency?

Pernicious anemia. Vitamin B12 is crucial for the formation of red blood cells, as well as the good functioning and health of nerve tissue. A definciency in this vitamin can lead to anemia and the associated symptoms of fatigue, aches, malaise, etc. It is often treatable with replacement of the vit b-12 and laboratory monitoring. Best wishes. Read more...