Last updated on 3rd Sep 2022 - By Dwayne Michaels

Most common symptoms of low rbc :

Left untreated, low RBC can cause many health problems, such as:



Fatigue is a feeling of tiredness. It may be sudden or gradual in onset. A person with fatigue may find it physically hard to do the things they usually do, such as climbing the stairs. However, it may be a symptom of a medical condition if it is prolonged, severe, progressive, or occurs without provocation.

Fatigue is one of the symptoms of Low RBC levels. When a person has a lower RBC than is normal, their body has to work harder to get enough oxygen to the cells and this can cause fatigue and weakness. While it's normal to feel tired after a long day at work, when you're anemic, you feel weary after shorter and shorter periods of exertion as your body's cells become starved for oxygen.

Rbc treatment - Click to know treatment of abnormal Rbc



Dizziness is an imprecise term that can refer to a sense of disorientation in space, vertigo, or lightheadedness.

It can also refer to disequilibrium or a non-specific feeling such as giddiness or foolishness. Anemia is a lack of healthy RBC or hemoglobin in your blood, which carry oxygen to your organs like your brain. The hallmark of anemia is tiredness, but it can also cause you to feel faint and dizzy.

Shortness of breath

Shortness of Breath

Anaemia makes you very tired and you may also become breathless because your blood is carrying less oxygen. Shortness of breath, also known as dyspnea is a feeling of not being able to breathe well enough.

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Dyspnea is a normal symptom of heavy exertion but becomes pathological if it occurs in unexpected situations, like when your RBC levels are low. Anemia that develops gradually usually presents with exertional dyspnea, fatigue, weakness, and tachycardia. It may lead to heart failure. Anaemia is often a cause of dyspnea.

Menstruation, particularly if excessive, can contribute to anaemia and to consequential dyspnea in women. Headaches are also a symptom of dyspnea in patients suffering from anaemia. Some patients report a numb sensation in their head, and others have reported blurred vision caused by hypotension behind the eye due to a lack of oxygen and pressure; these patients have also reported severe head pains, many of which lead to permanent brain damage.

Symptoms can include loss of concentration, focus, fatigue, language faculty impairment and memory loss

Heart palpitations


Palpitations are perceived abnormalities of the heartbeat characterized by awareness of cardiac muscle contractions in the chest, which is further characterized by the hard, fast and/or irregular beatings of the heart.

Symptoms include a rapid pulsation, an abnormally rapid or irregular beating of the heart. Palpitations are a sensory symptom and are often described as a skipped beat, rapid fluttering in the chest, pounding sensation in the chest or neck, or a flip-flopping in the chest.

Heart palpitations can be a sign that your body is attempting to compensate for its lack of energy. By circulating blood faster your body is trying to spread around the small amounts of available hemoglobin in order to deliver more oxygen.

Pain in your chest

Chest Pain

Your heart needs oxygen to function. Without enough hemoglobin and oxygen, the heart tissue will behave as though you have impaired blood flow. Chest pain is pain or discomfort in the chest, typically the front of the chest. Chest pain may be described as sharp, dull, pressure, heaviness or squeezing.

Chest pain may present in different ways depending upon the underlying diagnosis, and low rbc is one of the causes of chest pain. In very severe anemia this can lead to a myocardial infarction or what is more commonly known as a heart attack.

Some other symptoms of low rbc are Weakness, Headache, Pain in your bones, Pain in your belly and Pain in your joints

Read - What diseases can cause abnormal rbc :

Rbc treatment - Click to know treatment of abnormal Rbc

Read 10 GOLDEN ARTICLES on Anemia

Are lab test results always right?

While they do have to meet very high standards, they can be wrong sometimes. For example, you might get a false positive (the results say you have the condition you were tested for, but you really don’t) or a false negative (the results say you don’t have a condition, but you really do).

Lab test failures contribute to delayed or wrong diagnoses and unnecessary costs and care. For context, a 2014 study estimated that diagnostic errors happen about 12 million times per year in U.S. outpatients. This represents 1 in 20 adults. In case you think your blood test result doesn't make any sense, we recommend that you do the test again from HealthLabs as they perform testing using verified methods and they test blood only in the best CLIA certified labs. You won't need a doctor's referral or insurance.

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Besides Lab test failures, there are many other reasons for inaccurate blood results. Know the common reasons for inaccurate blood test results?

Consult a doctor

Important note :

Please keep notes of the symptoms you are experiencing. These notes can help your doctor identify low rbc impact on your body. Keep the notes till the time you experience symptoms of low rbc and also keep a record of the following:

  1. Medications used for low rbc.
  2. The duration of symptoms.
  3. The intensity of the headache, if any.
  4. Fever logs and duration of the fever.
  5. The date you experienced low rbc symptoms for the first time.
  6. Side effects of the medicine you are experiencing, if any.
  7. The duration of the disease.

Does drinking water before blood test affect results?

Certain blood tests require fasting beforehand. Fasting before certain blood tests is important to help make sure that your test results are accurate. Read on to learn more about the effects of water on blood test results.

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What can cause inaccurate blood test results?

Several factors can affect blood test results. Read on to know the top reasons which can lead to inaccurate blood test results.

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