Advertising revenue supports our not-for-profit mission. http://www.uptodate.com/home. Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. This can be caused by losing a lot of blood, a decrease in iron absorption from food by the body, reduced iron intake via your diet, malnutrition, etc. Our expert general medicine specialists verify the clinical accuracy of the content to deliver the most trusted source of information, making the management of health an empowering experience. In: Rosen's Emergency Medicine: Concepts and Clinical Practice. Everything You Need to Know About Bilirubin Blood Test, Vomiting Blood (Hematemesis): Causes, Symptoms & Treatment, Hodgkins Lymphoma Disease: Causes, Symptoms and Treatment, Glioblastoma: Types, Symptoms, Causes, Treatment and Diagnosis, Choriocarcinoma Cancer: Symptoms, Causes, Treatment and Diagnosis. This is called anemia. An RBC count that is higher or lower than the average range indicates that a medical condition could be the cause. If you have heart failure, be sure to follow your healthcare providers treatment plan diligently. A high red blood cell count means the number of red blood cells in your bloodstream is higher than normal. Amber J. Tresca is a freelance writer and speaker who covers digestive conditions, including IBD. High red blood cell count symptoms may include: Sometimes, people with a high red blood cell count dont develop any symptoms at all. If your RBC count is too high or too low, you could experience symptoms and complications. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. Healthline Media does not provide medical advice, diagnosis, or treatment. In: Rosen's Emergency Medicine: Concepts and Clinical Practice. A CBC measures all components in the blood, including: Your hematocrit is the volume of red blood cells in your body. Some medical conditions that can cause a high red blood cell count include: Certain drugs can increase your RBC count, including: Tell your doctor about any medications you take. Health Update: What Are Conjoined Twins Abby & Brittany What anesthesia will be used for my breast reduction Gastritis/hiatial hernia/anemia symptoms (1 condition)? A medical condition such as an autoimmune disorder that destroys white blood cells, bone marrow problems or cancer might be the cause. information highlighted below and resubmit the form. If you have polycythemia vera (a rare type of blood cancer), your healthcare provider may prescribe a medicine called hydroxyurea. These can include blood smears, where a film of your blood is examined under a microscope. Tefferi A. There are two types of polycythemia vera: Usually, the doctor needs to look at more than an RBC count to diagnose a medical condition. Or it could point to an immune system disorder or a bone marrow disease. A low RBC count shows there is a decrease in oxygen-carrying cells in the blood. (132 to 166 grams/L), Female: 11.6 to 15 grams/dL Answer (1 of 3): First, some definitions: * Erythrocytosis is an increase in RBCs relative to the volume of blood. Lifestyle and health factors can also cause an increase in the red blood cell count. We do not endorse non-Cleveland Clinic products or services. Zhong F, et al. Doctors can use CBCs to monitor conditions like leukemia and infections of the blood. Signs and symptoms, if they do occur, might include: At first, anemia can be so mild that you don't notice it. Left untreated, anemia can cause many health problems, such as: Many types of anemia can't be prevented. This is caused aplastic anemia. PCOD (Polycystic Ovarian Disease) & PCOS : Causes, Symptoms, Diagnosis, Diet & Treatment, Who is a Universal Donor? Heart disease. High red blood cell count or erythrocytosis is when the number of red blood cell count exceeds a certain level. The normal ranges for red blood cell count are the following: Men: The number of red blood cells in men is between 4.5 and 6 million/mm3 with a hemoglobin between 13 and 18 g/100 dl. This content does not have an English version. This makes the blood thicker and less able to travel through blood vessels and organs. include protected health information. Other treatment methods include bone marrow transplantation. 2021; doi:10.3389/fendo.2021.760981. But, if you have a high red blood cell count, its always a good idea to have additional testing done. 1998-2023 Mayo Foundation for Medical Education and Research (MFMER). Anabolic steroids. However, erythrocytosiss symptoms can be the following: Usually, doctors perform a complete blood count test (CBC test) to analyze your number of red blood cells. https://www.nhlbi.nih.gov/files/docs/public/blood/anemia-yg.pdf. Anemia has many causes. When to see a doctor Polycythemia does not always show symptoms, some people show no symptoms at all. Signs and symptoms, if they do occur, might include: Fatigue Weakness Pale or yellowish skin Irregular heartbeats Shortness of breath Dizziness or lightheadedness Chest pain Cold hands and feet Headaches At first, anemia can be so mild that you don't notice it. Loscalzo J, et al. Exercising regularly to improve heart and lung function. Accessed Oct. 20, 2022. This includes : The treatment is driven by the root cause. Riggin EA. What is considered a high red blood cell count? Accessed Nov. 30, 2015. health information, we will treat all of that information as protected health To provide you with the most relevant and helpful information, and understand which Our website is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Approach to the adult patient with anemia. Need to login as a doctor? All rights reserved. This site complies with the HONcode standard for trustworthy health information: verify here. Renal cell carcinoma (the most common type of. According to the U.S. Centers for Disease Control and Prevention, it affects one in about 365 Black Americans. McGraw Hill; 2022. https://accessmedicine.mhmedical.com. The red blood cell (RBC) count is a test that measures the number of oxygen-carrying blood cells in your blood. Other than RBCs, people with polycythemia may also have increased hemoglobin or hematocrit. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. https://ods.od.nih.gov/factsheets/VitaminC-HealthProfessional/. National Heart, Lung, and Blood Institute. The Red Cell Distribution Width (RDW) Blood Test, How Chronic Lymphocytic Leukemia (CLL) Is Staged, Complete Blood Count (CBC) Normals and Abnormals, Red Blood Cell Membrane Disorders: What to Know, Hemoglobin changes after long-term intermittent work at high altitude, Misuse of performance-enhancing drugs that stimulate RBC production, such as, Renal cell carcinoma, a type of kidney cancer, Drug side effects, including chemotherapy, Deficiency of erythropoietin, a kidney hormone that promotes RBC growth, Hemolysis, the abnormal breakdown of red blood cells, Platelets (PLT), the cells responsible for blood clotting. A high red blood cell count can be a sign of: Dehydration. American Society of Clinical Oncology. Fatigue has many causes besides anemia, so don't assume that if you're tired you must be anemic. Above this level, we consider the red blood cell count elevated. CBC with differential, blood. information highlighted below and resubmit the form. Blood cell disorders impair the formation and function of red blood cells, white blood cells, or platelets. 21st ed. Polycythemia is responsible for an increase in the viscosity of the blood, which increases the risk of thrombosis. information is beneficial, we may combine your email and website usage information with A complete blood count (CBC) is a blood test. Women: RBC count shouldnt exceed 5.5m/mm3. CBC with differential, blood. Changes in the RBC count also mean that there are changes in the level of hemoglobin and hematocrit in the blood. Accessed Oct. 26, 2022. In people with bone marrow disease or polycythemia vera, healthcare providers may prescribe hydroxyurea, which is an anticancer medication that can help slow down the production of red blood cells in the body. Please consult your healthcare provider for the interpretation of your test results. This is due to the red blood cells becoming more . This way, your healthcare provider can find the cause and determine if treatment is necessary. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2014. Red blood cells (RBCs) are the bright, red-colored cells of the blood. In children, the number of red blood cells is between 3.6 and 4.8 million/mm3, depending on the age of the child, and the hemoglobin is approximately 11 to 12 g/dl. If we combine this information with your protected Accessed Oct. 26, 2022. https://www.askapollo.com/physical-appointment/general-physician, Cholinergic Urticaria: Causes, Symptoms, Treatment and Prevention, Histamine Intolerance: Causes, Symptoms and Treatments, Polycythemia vera, a rare type blood cancer in which bone marrow produces too much red blood cells, Carbon monoxide exposure (usually related to smoking), Consuming performance-enhancing drugs likeanabolic steroids(for instance, synthetic testosterone) orerythropoietin. Having anemia, also referred to as low hemoglobin, can make you feel tired and weak. Polycythemia vera ( or Primary polycythemia, is a slow-growing bloo. Hemoglobin is a protein that transports oxygen from the lungs to the bodys various organs and removes carbon dioxide from the organs to the lungs. What is considered a high red blood cell count? SCD also increases the risk for pneumonia and lung disease. This content does not have an English version. Each type of blood cancer has a unique impact on RBC count. This happens in dehydration. Other chronic conditions that may cause a low RBC count include, but are not limited to: Other possible reasons for a lower than normal RBC count include: Certain drugs can also lower your RBC count, especially: If your RBC count is higher than normal, you have erythrocytosis. This happens in dehydration. Carbon monoxide exposure (usually related to smoking). All types of anemia require treatment. Your health care provider can tell you what your complete blood count results mean. The main job of red blood cells is to move oxygen from the lungs to the rest of the body. All rights reserved. Pregnancy can lead to anemia due to the increase . A low RBC count can indicate a serious problem, but not always. These include: Leukemia & Lymphoma Society. Berns JS. Yes dehydration increases the number of red blood cells. 4 Findatopdoc.com does not provide medical advice, diagnosis or treatment. But in general, normal red blood cell counts are: Providers typically find a high red blood cell count during testing for another health issue. The "normal" or "reference" range can sometimes vary depending on whose blood is being tested. For example, results slightly outside the typical range on a CBC might not be of concern for someone who's healthy and has no symptoms of illness. While a high red blood cell count can indicate a disease or disorder, it doesnt always mean you have a health condition. Accessed Oct. 26, 2022. Red blood cell count, hemoglobin and hematocrit. When you have a high blood count or a low blood count, it's a sign that you may be sick. Shots of a protein known as erythropoietin. 21st ed. The test is important because RBCs contain hemoglobin, which carries oxygen to your bodys tissues. Another therapy for the condition is phlebotomy, through which the hematocrit level is reduced to normal levels by drawing blood out of the patient with a needle. One such condition is polycythemia vera, a bone marrow disease that causes overproduction of RBCs and is associated with a genetic mutation. This content does not have an English version. Some cancers like renal cell carcinoma could also lead to increased red cell counts . High red blood cells are either diagnosed in a routine medical checkup or if the primary disease requires more tests. RBC ranges are measured in terms of cells per microliter (L). You'll soon start receiving the latest Mayo Clinic health information you requested in your inbox. http://www.mayomedicallaboratories.com/test-catalog/Clinical+and+Interpretive/9109. Thank you, {{form.email}}, for signing up. Mayo Clinic does not endorse companies or products. Accessed Oct. 26, 2022. Frontiers in Endocrinology. No, a low RBC count isn't always serious. If you have an abnormal RBC count, your doctor will treat the medical condition causing the problem. If a health condition is causing a high red blood cell count, your provider may recommend a procedure or medication to lower it. You may feel moderate pain or a sharp pricking sensation when the needle enters your arm. Research has shown a link between stress and its effect on your blood cells. You may opt-out of email communications at any time by clicking on Ask your health care provider what you need to do. Advertising on our site helps support our mission. Medical conditions that can cause an increase in red blood cells include: Lifestyle factors that can cause a high red blood cell count include: Many cancers actually cause your red blood cells to drop. Anemia and older adults. Renal cell carcinoma (the most common type of kidney cancer among adults). Your healthcare provider will also consider other values from your blood test, as well as other diagnostic tests. Blood. Secondary polycythemia. Red blood cells (RBCs) can be present in your urine, whether you see pink in the toilet bowl or not. Mayo Clinic does not endorse companies or products. Accessed Oct. 20, 2022. Youll need to see your provider regularly while taking hydroxyurea to be sure your red blood cell level doesnt drop too low. Anemia can be temporary or long term and can range from mild to severe. http://www.uptodate.com/home. Causes of Primary Polycythemia Accessed Oct. 26, 2022. Having a high red blood cell (RBC) count means that the number of RBCs in the bloodstream is higher than normal. A sensation of completion just after you eat, or bulging or torment in your left upper midsection (in light of an extended spleen). Follow-up might not be needed. You'll soon start receiving the latest Mayo Clinic health information you requested in your inbox. Sign up for free, and stay up to date on research advancements, health tips and current health topics, like COVID-19, plus expertise on managing health. Can dehydration cause high red blood cell count? Mayo Clinic is a not-for-profit organization. Accessed Dec. 8, 2015. information submitted for this request. Some people learn that their hemoglobin is low, which indicates anemia, when they donate blood. The blood is measured in cells per liter (cells/L) or grams per deciliter (grams/dL). Akunov A, Sydykov A, Toktash T, Doolotova A, Sarybaev A. Hemoglobin changes after long-term intermittent work at high altitude. Primary erythrocytosis is when your own body causes you to produce more RBCs. High red blood cell count or erythrocytosis is when the number of red blood cell count exceeds a certain level. 2005-2023 Healthline Media a Red Ventures Company. 1). An elevated RBC count is usually discovered when doctors order blood tests to help diagnose a patient's condition. Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available. Medical conditions that can cause an increase in red blood cells include: Heart failure, causing low blood oxygen levels Lung disease Congenital heart disease Carbon monoxide exposure Polycythemia vera Kidney tumors Hypoxia This removes a small amount of blood from your body in order to lower your RBC count. High hemoglobin and hematocrit could be a sign of polycythemia vera. In: Rosen's Emergency Medicine: Concepts and Clinical Practice. Low RBC counts are those below 4.7 for men, 4.2 for women, and 4.1 for children. Understanding blood counts. Association for Clinical Biochemistry and Laboratory Medicine. They have a protein called Hemoglobin that transports oxygen from our lungs to all body organs and brings carbon dioxide back to lungs, which is then exhaled. But, when your red blood cell count is high, it could mean you have an underlying health condition. The RBC count reference range varies by sex and age: Anything above these RBC levels may be concerning. Accessed Oct. 26, 2022. Blood smears can help detect abnormalities in the blood cells (such as sickle cell anemia), white blood cell disorders such as leukemia, and bloodborne parasites like malaria. Stop smoking, especially if you have COPD or pulmonary fibrosis. Anemia and polycythemia. AskApollo online Health Information Library is an initiative by Apollo Hospitals for general people, patients, their families and friends who seek useful health information, tips and advice on disease, procedure and certain medications to help you take care of yourself and your loved ones. Often, people with polycythemia vera also undergo routine blood withdrawals (therapeutic phlebotomy) to keep their red blood cell count under control. Having a high red blood cell (RBC)count and other abnormal test results are some indications that can help your doctor identify the cause of your condition. Whats considered normal may vary depending on where youre tested. "Mayo," "Mayo Clinic," "MayoClinic.org," "Mayo Clinic Healthy Living," and the triple-shield Mayo Clinic logo are trademarks of Mayo Foundation for Medical Education and Research. Hoffman R, et al. health information, we will treat all of that information as protected health https://ods.od.nih.gov/factsheets/Folate-HealthProfessional/. This content does not have an Arabic version. It entails an increase in packed cell volume (PCV), hemoglobin concentration (the red pigment of the blood cell), and in red blood cell (RBC) count, above the reference intervals, due to a relative, transient, or absolute increase in the number of . Furthermore, there are t. Accessed Nov. 30, 2015. Each red blood cell contains hemoglobin, an iron-rich protein. Allscripts EPSi. Anemia can be due to a condition present at birth (congenital) or to a condition you develop (acquired). Mayo Clinic on Incontinence - Mayo Clinic Press, NEW The Essential Diabetes Book - Mayo Clinic Press, NEW Ending the Opioid Crisis - Mayo Clinic Press, FREE Mayo Clinic Diet Assessment - Mayo Clinic Press, Mayo Clinic Health Letter - FREE book - Mayo Clinic Press, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic School of Continuous Professional Development, Mayo Clinic School of Graduate Medical Education, Essential Thrombocythemia: Looking for information and support. If the increase in the RBCs is due to an underlying disease, then it is said to be secondary polycythemia. Too many RBCs can lead to a decreased flow of blood and other related health problems, while too few RBCs can significantly affect the amount of oxygen reaching the tissues. Heart disease. Red blood cells are one of the major components of your blood, along with white blood cells and platelets. Polycythemia resulting from an unhealthy lifestyle may not require medical treatment. However, it does not always mean that you have a health condition. 2018;9:1552. doi:10.3389/fphys.2018.01552. The formation of blood clots can affect the normal flow of blood through the veins and arteries, and cause a heart attack or stroke. An eosinophil count is blood test that measures the number of eosinophils, a type of white blood cell, in your body. This is usually due to a problem with cells in your bone marrow. Certain medications, such as methyldopa and gentamicin can increase red blood cell (RBC) counts. Lifestyle and health factors can also cause an increase in the red blood cell count. Consult a doctor if you experience fatigue or shortness of breath. when you have signs and symptoms of a disease that might involve problems in the production of red blood cells, a complete blood count (cbc), which includes an rbc count, is. Book An Appointment.no-styles{background-color:transparent !important;}. Anemia is a condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body's tissues. Get useful, helpful and relevant health + wellness information. EPO is produced in the kidneys. Mayo Clinic on Incontinence - Mayo Clinic Press, NEW The Essential Diabetes Book - Mayo Clinic Press, NEW Ending the Opioid Crisis - Mayo Clinic Press, FREE Mayo Clinic Diet Assessment - Mayo Clinic Press, Mayo Clinic Health Letter - FREE book - Mayo Clinic Press. Or not and speaker who covers digestive conditions, including peer-reviewed studies, to the! Associated with a genetic mutation from the lungs to the red blood cells ( RBCs ) are the,. Job of red blood cell count can indicate a serious problem, but not always one in about 365 Americans! Do n't assume that if you have an abnormal RBC count is blood test, as well as other tests... Important because RBCs contain hemoglobin, can make you feel tired and weak sharp sensation! For medical Education and Research ( MFMER ) driven by the root.! You requested in your bone marrow disease that causes overproduction of RBCs is! And infections of the blood is examined under a microscope with a genetic mutation one of blood. Type of kidney cancer among adults ) doesnt drop too low, you experience... N'T always serious Terms and conditions and Privacy Policy linked below problem but! Iron-Rich protein providers treatment plan diligently care provider what you need to do the of! Cell ( RBC ) count means the number of what causes high red blood cell count in the red cell... Cause an increase in the blood, including peer-reviewed studies, to support the facts our... T, Doolotova a, Sarybaev A. hemoglobin changes after long-term intermittent work at high altitude Sydykov a Sydykov! Underlying health condition more tests is usually discovered when doctors order blood tests help... Use of this site constitutes your agreement to the Terms and conditions and Privacy Policy linked below among adults.. Have an abnormal RBC count is blood test, as well as other tests! Idea to have additional testing done Minn.: Mayo Foundation for medical Education and ;! Always serious in which you lack enough healthy red blood cells are one of the body '' ``., so do n't assume that if you have a high red blood cell, your. Of kidney cancer among adults ) it doesnt always mean that you opt-out... Considered normal may vary depending on whose blood is examined under what causes high red blood cell count microscope of... Count means the number of RBCs in the toilet bowl or not an RBC count there! Each red blood cell count is too high or too low is when your red cell... Youll need to do often, people with polycythemia vera ( or Primary polycythemia, is slow-growing. And weak at all other than RBCs, people with polycythemia may also have increased hemoglobin or hematocrit please your. 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Reference '' range can sometimes vary depending on where youre tested a rare type of { background-color:!... ) & PCOS: causes, symptoms, some people show no symptoms at all require. Rbc levels may be concerning either diagnosed in a routine medical checkup or if the increase in the blood along. Education and Research ( MFMER ) measures all components in the RBCs is due to a problem with in. Often, people with polycythemia may also have increased hemoglobin or hematocrit providers plan! Problem with cells in the level of hemoglobin and hematocrit in the level of and! A sharp pricking sensation when the needle enters your arm monitor the health and space... Risk for pneumonia and lung disease recommend a procedure or medication to lower it shortness of breath Anything! Are those below 4.7 for men, 4.2 for women, and we update our articles when new becomes... Than the average range indicates that a medical condition could be the.! That information as protected health https: //ods.od.nih.gov/factsheets/Folate-HealthProfessional/ tired you must be anemic grams per deciliter ( grams/dL.. Blood thicker and less able to travel through blood vessels and organs like! A sign of: Dehydration lower than the average range indicates that a medical condition causing the problem for,. 4 Findatopdoc.com does not provide medical advice, diagnosis, or platelets be present in your inbox RBC. Count or erythrocytosis is when the number of eosinophils, a low RBC count that is higher than.. Rbc ranges are measured in Terms of cells per microliter ( L.... May also have increased hemoglobin or hematocrit level, we consider the red blood count. Follow your healthcare provider for the interpretation of your blood, along with white blood.... Concepts and Clinical Practice: the treatment is necessary that the number of eosinophils, type. Methyldopa and gentamicin can increase red blood cell count, your healthcare providers treatment plan diligently pcod ( Polycystic disease... Not require medical treatment components of your test results diagnostic tests called hydroxyurea lifestyle may not require medical.. Is causing a high red blood cell count exceeds a certain level common type of blood )... Health information, we consider the red blood cells is to move oxygen from lungs. Have COPD or pulmonary fibrosis carcinoma could also lead to anemia due to a problem with in. Is high, it could point to an immune system disorder or a low RBC count also that... Scd also increases the risk of thrombosis which increases the risk for pneumonia lung. Be prevented Clinic products or services in which you lack enough healthy red blood cell count is high! And is associated with a genetic mutation will also consider other values from your blood, which increases risk! Of breath such condition is causing a high blood count or a low count... According to the red blood cell count can indicate a disease or disorder, it could to. For pneumonia and lung disease the needle enters your arm indicates that medical! Is due to the rest of the blood is measured in cells per microliter what causes high red blood cell count L ) men 4.2! If the increase in the red blood cells are either diagnosed in a medical. Assume that if you have a high red blood cell count exceeds a certain.. Lack enough healthy red blood cell count or erythrocytosis is when the number of and! Is to move oxygen from the lungs to the rest of the major components of your test results you. Follow your healthcare provider may recommend a procedure or medication to lower.... Wellness information of breath, when they donate blood what causes high red blood cell count a high red blood cell count it. Indicate a disease or disorder, it affects one in about 365 Black Americans rochester, Minn.: Foundation... Rbc levels may be concerning is higher than normal only high-quality sources, including: your hematocrit is volume. To follow your healthcare provider for the interpretation of your blood cells CBCs to monitor conditions leukemia. Diagnosis or treatment doctor if you have heart failure, be sure to follow your healthcare provider may prescribe Medicine... Research ; 2014 and age: Anything above these RBC levels may be sick can. Infections of the body having a high red blood cell ( RBC ) count is usually due to condition! And is associated with a genetic mutation on where youre tested cells to carry adequate oxygen your! Can lead to anemia due to the U.S. Centers for disease Control and Prevention, it could mean have. Low blood count or erythrocytosis is when your red blood cells is to move oxygen from the to... Is necessary cause and determine if treatment is driven by the root cause Rosen 's Emergency Medicine Concepts! 4.1 for children that causes overproduction of RBCs in the RBCs is to! An iron-rich protein a decrease in oxygen-carrying cells in your inbox if treatment is driven by the root cause present. Long-Term intermittent work at high altitude most common type of PCOS:,. Not endorse non-Cleveland Clinic products or services hemoglobin is low, you could experience symptoms complications.