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COVID-19 Symptoms
COVID-19 Symptoms


The coronavirus disease is known to damage the lungs but as more people are being infected more understanding about the disease emerges. Researchers and doctors find that coronavirus can also cause severe and long-term damage in other organs including kidneys and heart.

Various people suffer from a severe case of COVID-19 which shows a sign of possible kidney damage. Those who had no underlying kidney complications might suffer from kidney damage when infected with COVID-19. An early report shows that there are up to 30% of hospitalized patients with COVID-19 developed moderate to severe kidney injury. Signs of kidney problems in patients with COVID-19 include abnormal blood work and a high level of protein in the urine. In some cases, the kidney damage is severe enough to require dialysis.

The impact of COVID-19 on the kidneys is not yet clear but here are some possibilities are given by some of our doctors, researchers, and experts;


1. COVID-19 Might Target Kidney Cells

The cells of the kidney are being infected by the virus itself. Kidney cells have receptors that allow the coronavirus to attach to them, make copies of itself, and invade which potentially lead to damaging those tissues. The same receptors are found on cells of the heart and lungs where the new coronavirus has been shown to cause injury.

2. A Kidney Malfunction May Occur Because Of Too Little Oxygen

Kidney problems in patients with COVID-19 are due to abnormally low levels of oxygen in the blood. As a result, pneumonia is commonly seen in severe cases of the disease.

3. Cytokine Storms Could Damage Certain Tissue In The Kidney

The reaction of the body to the infection may be responsible as well. The immune response to the coronavirus could be extreme in some people that lead to what is called a cytokine storm. When this occurs, the immune system directs a blast of cytokines into the body. These cytokines are a small protein that helps the cells to connect as the immune system combats an infection. However, a large influx of cytokines might cause severe inflammation. This inflammatory reaction might damage healthy tissue in trying to kill the invading virus.

4. COVID-19 Causes Blood Clots That May Clog The Kidneys

The kidneys are a filter that takes out extra water, waste products, and toxins from the body. COVID-19 might cause tiny clots to form in the bloodstream that might clog the smallest blood vessels in the kidney and damage its function. 


Organ systems such as the liver, lungs, heart, and kidneys rely on and support the function of one another. When coronavirus causes damage in one area others might be at risk. The essential functions of the kidneys have an impact on the lungs, heart, and other systems. This is the reason why doctors note that the damage in one’s kidney especially those with coronavirus disease are a possible threatening sign of a serious even fatal course of the disease.