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Doctor insights on: Low Hemoglobin High Hematocrit

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What could cause low MCV and high RDW but normal MCH, hemoglobin, and hematocrit for over a year?

What could cause low MCV and high RDW but normal MCH, hemoglobin, and hematocrit for over a year?

How low?: Reference ranges are set so that several percent of healthy folks fall outside on either end. If your peripheral smear is unremarkable and the MCV above 70, I'd forget the whole thing. My RDW is always high from donating blood. There are some variants of thalassemia minor that will produce this and puzzle people over a lifetime, though MCH is usually lowish. ...Read more

Dr. Tipu Sultan
843 Doctors shared insights

Hematocrit (Definition)

Of red blood cell number. Classically this was the "packed cell volume." blood was placed in a microtube and spun in a centrifuge. The rbcs settle to the bottom and one measures the height in the tube and reported as a percentage. Now determined by an automated machine. A typical hct is about 3 ...Read more


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Hi, I had finger cramp+tingling+nausea&dizziness in both hands after doing exercise. My blood test shows low hemoglobin & hematocrit and high esr.

Hi, I had finger cramp+tingling+nausea&dizziness in both hands after doing exercise. My blood test shows low hemoglobin & hematocrit and high esr.

Anemia: You need to find out why you are anemic. ESR is a nonspecific test, it may be increased with any infection or inflammation but not going to tell what and where the infection or inflammation. Have a thorough exam and labs if necessary. ...Read more

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What does low hemoglobin, low hematocrit, low much and high rdw mean? My labs have been like this for over a year

What does low hemoglobin, low hematocrit, low much and high rdw mean? My labs have been like this for over a year

Anemia: Depending on other lab values you may have a B12 or folate (folic acid) deficiency as well, would need more info on your case. You are welcome to make a HealthTap Prime or Concierge appointment with me and we can review all the labs and your current medical history. Then I can give you a much better idea of what you are dealing with. ...Read more

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3 of 4 of my children have Low Hemoglobin, Hematocrit, MCV, MCVH....High RDW. I believe that affect their education performance and behavior.

3 of 4 of my children have Low Hemoglobin, Hematocrit, MCV, MCVH....High RDW. I believe that affect their education performance and behavior.

Maybe, maybe not: The levels needed to interfere with performance vary with the skill set being reviewed. Many with minor hemoglobin defects have lower values than the norm for their lifetime and function quite well. Lead poisoning can also cause lower values, but it is the lead, not the blood cells that cause impairments. In short, your statement provides nonspecific data so a more specific answer is not possible. ...Read more

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What causes a low hematocrit, low hemoglobin, low mcv, and elevated liver enzymes?

What causes a low hematocrit, low hemoglobin, low mcv, and elevated liver enzymes?

Medical illnesses: There are many medical conditions that can cause these things...In general, you have anemia, and abnormal liver function tests that need to be evaluated and treated depending on the results of why you are anemic and have elevated liver enzymes. ...Read more

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How do u treat low hemoglobin (12.6)? Is this anemia? Take iron&if so how much? I read iron is no good 4 u. Rbc: 4.17, hematocrit: 37.4, high rdw: 15.

How do u treat low hemoglobin (12.6)? Is this anemia? Take iron&if so how much? I read iron is no good 4 u. Rbc: 4.17, hematocrit: 37.4, high rdw: 15.

Results: 12.6 hemoglobin with a 37.4 hematocrit may be normal for you. This would depend on your prior results and your hemoglobin type--sickle trait patients may have these numbers and be perfectly fine. Is there any history of blood in stools or urine?
Too much iron is not good, but appropriate doses for some conditions as recommended by your doctor would be helpful when prescribed. Good luck. ...Read more

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What does it mean to have low hemoglobin, hematocrit, mch, mchc, and high platelet count, and sedimentation rate?

What does it mean to have low hemoglobin, hematocrit, mch, mchc, and high platelet count, and sedimentation rate?

Hard to say.: This combination of labs doesn't make any diagnosis. The relative height of your esr, plates and HGB would be helpful. It may be that you have an anemia and that is driving up your platelet count and your ESR is outside your labs "normal, " but not really abnormal. ...Read more

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Is this mild anemia or moderate? Low hemoglobin, hematocrit, mcv, mch, mchc. High rdw, esr, platelets. Iron 3 (11-27umol/L).saturation 0.03 (0.20-0.50). B12 162 (198-615).

Is this mild anemia or moderate? Low hemoglobin, hematocrit, mcv, mch, mchc. High rdw, esr, platelets. Iron 3 (11-27umol/L).saturation 0.03 (0.20-0.50). B12 162 (198-615).

Anemia: If your hemoglobin is low, this is a measure of how much oxygen carrying protein is in your blood and we call this anemic. Mild and moderate are relative descriptions. It is more important to figure out why there is anemia so that it can be treated appropriately. ...Read more

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Anemia found on blood test. Low hemoglobin, hematocrit, mcv, mch, high rdw. Have had heavy periods for a few years but why would it just show up now?

Anemia found on blood test. Low hemoglobin, hematocrit, mcv, mch, high rdw. Have had heavy periods for a few years but why would it just show up now?

It takes time to exh: We all carry extra reserves of blood and iron stores in our body which can make up for moderate blood losses for a long time. Only when the reserve is exhausted and there is no more iron left in the body will your blood tests start showing up Anemia.
You need to ask your doctor for providing you the raw materials (like Iron supplements) to help you make extra blood. ...Read more

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What does it mean if my hemoglobin, hematocrit, MCH and MCHC is low and my RDW is high?

Need the numbers: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, it would have helped to know the actual values. It is likely that you have iron deficiency anemia which is common in menstruating women. Take oral iron and multivitamins.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex. ...Read more

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Hemoglobin 106 low hematocrit, MCV, MCH low and RDW 18.4. Ferritin 7. Is the high RDW a concern. Last b12 was 137?

Hemoglobin 106 low hematocrit, MCV, MCH low and RDW 18.4. Ferritin 7. Is the high RDW a concern. Last b12 was 137?

Nutrition: You seem to have more than one nutritional deficiency. It may be due to poor diet or malabsorption. It is imperative that you consult a doctor to ascertain the cause of the deficiencies and take appropriate medication.
Wish you good health. ...Read more

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I have low hemoglobin/hematocrit but my iron levels are ok. Why?

I have low hemoglobin/hematocrit but my iron levels are ok. Why?

Various: Iron deficiency is only one of many factors that can cause anemia (low level of hemoglobin/hematocrit). Deficiency in other nutrient like vit b12, folate, (folic acid) or anemia due to other chronic inflammation/disease, destruction of the red blood cells, drug induced, bone marrow failure, bleeding, other red blood cell disorders etc can cause anemia as well. See you doctor and have further evaluation. ...Read more

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Low LYMPHOCYTE % 15 % L High WHITE BLOOD CELL 24.8 k/cumm H GRANULOCYTE # 19.8 k/cumm H Low MONOCYTE % 3 % L HEMATOCRIT 39.4 % L HEMOGLOBIN 13.9 gm/dL L High SEGMENTED NEUTROPHIL % 80 % H High SED RATE 18 mm/hr H?

Low LYMPHOCYTE % 15 % L High WHITE BLOOD CELL 24.8 k/cumm H GRANULOCYTE # 19.8 k/cumm H Low MONOCYTE % 3 % L HEMATOCRIT 39.4 % L HEMOGLOBIN 13.9 gm/dL L High SEGMENTED NEUTROPHIL % 80 % H High SED RATE 18 mm/hr H?

What's your question: A blood test isn't a patient; you are. You didn't just wander into a phlebotomy office and make an impulse purchase. A doctor ordered the CBC for a reason. What was the reason? Also, please repost with the discussion you had with your doctor about the significance of these results; or if you have not asked your doctor, please state why not. ...Read more