High Neutrophils: How to Detect Symptoms

The high neutrophils they can appear frequently in the population, being a condition caused mainly by infections. Our immune system is constantly dealing with microorganisms that are harmful to the body, and neutrophils are part of this process.

What are they?

They are a type of white blood cell, which help fight infections through the secretion of enzymes capable of destroying invading microorganisms.

What does a high neutrophil count mean?

In our healthy state, we have an average of between 60% and 70% neutrophils in the blood, the normal count in the body is 3,000 to 6,000 per cubic millimeter. If its values ​​skyrocket, exceeding this average, it is an indication that there is an infection in the body and our immune system is working on its mission to restore health. However, these white blood cells also increase when there is a burn, inflammations, fractures, disorders such as rheumatoid arthritis, some injured body tissue or in simpler situations, such as when we practice a physical activity that takes us to the limit.

There are even certain drugs that accelerate the production of white blood cells, in the same way that serious diseases, such as myelogenous leukemia or chickenpox, increase the amount of immature neutrophils in the blood.

White blood cells die after attacking the invading microorganism, and have a life span in the blood of approximately 5 days.


When we are healthy, neutrophils remain in the bone marrow where they are originally secreted. However, when these white blood cells multiply and pass through our immune system, we find the neutrophilia, a term used to talk about neutrophils high in the blood that are defending us from a threat.

How to spot the symptoms

Neutrophilia no symptomsTherefore, in many cases the way to detect it is linked to the disease that causes it. That is, some of these symptoms may be evidenced in the patient but they are not decisive to know that neutrophils are elevated:

  • Hypotension
  • Tachycardia
  • Airway difficulties
  • Excessive fatigue
  • Rheumatic fever from bacterial infection
  • Weightloss
  • Dyspnoea
  • Weightloss
  • Sudden bruising on the skin
  • Excessive sweating
  • Vision problems
  • Pain or burning in extremities or abdomen

Being fever one of the most obvious and common symptoms when white blood cells are high. The causes can be very diverse and the symptoms are often confusing, so it is advisable to perform a blood test to verify if the levels are elevated.

Who Suffers From High Neutrophils?

Pregnant women tend to have neutrophilia due to changes in your body as the fetus develops. It is a natural reaction of your body.

The same happens with newborns and young children who usually have high levels of this type of white blood cell. What’s more, people who go through surgery are susceptible to experiencing high neutrophils about three hours later. This is not to say that your health is at risk, they are just responses from a healthy immune system.


Each treatment is different because neutrophilia is underlying other clinical conditions. Some general treatments are:

  • Administration of intravenous antibiotics
  • Anti-inflammatories
  • In cases of leukemia, more harmful treatments such as chemotherapy are applied

Another treatment applied is the extraction of blood, in order to reduce the amount of white blood cells in the body. And of course, let’s not forget that the best prevention method is taking care of our diet.

See also: Symptoms, Causes and Treatment of Low Neutrophils.

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