What happens if we only have one kidney? Does it make a difference? Well, kidneys play an important role in the body, so in principle it can be said that the body cannot survive without the kidneys, the following are the functions of the kidneys:

Generate hormones that maintain strong bones
Constant blood pressure
Filters waste in the body and extra liquid in the blood

What is a single kidney?

Most people are born with a pair of kidneys, however, some have only one kidney, or only one of the kidneys, which is called a single kidney.

What happens if one kidney is gone?

Innate defects

If a baby has Kidney Agenesis, there is only one kidney at birth. This symptom is more common in men than in women, and the other is kidney development abnormalities. Kidney Dysplasia, a baby is born with two kidneys, but one of them does not work. However, only one kidney can lead a normal life, making it difficult to find a kidney. Defect or stunting may not be detected until a future medical examination, such as ultrasound or X-ray.
Surgical removal of one of the kidneys: In some cases, the kidney is removed for the purpose of treating cancer, or for certain diseases or injuries.

Kidney Donation

More and more people donate one of their kidneys to family or friends with kidney failure.

Risk factors

Generally speaking, what happens to having only one kidney is that you can still lead to a normal life, although some people may still be at risk of diminishing kidney function, patients should be careful:


Proteinuria symptoms occur when the protein content in the urine is exceeded, and people with single kidneys often face higher than average protein in the urine.

High Blood Pressure

In addition to its ability to filter blood and waste in the blood, the kidneys can also help regulate blood pressure and stimulate renin production. A hormone associated with vasodilation and contraction. These functions help maintain healthy blood pressure. Therefore, only one kidney has the risk of increased blood pressure.

Reduced Glomerular Filtration Rate (GFR)

The functional unit of the kidney for urine production, called Nephrons , which consists of Glomerulus and Tubule to filter waste and toxins when filtration rate , it means less rapid filtration of waste and toxins.

Read: Simple Kidney Cysts Are Harmful?