7 Symptoms of Kidney Failure You Must Aware Off

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Many people live with chronic kidney disease, and on the verge of kidney failure, without even realizing there is an issue. The gradual transition from unhealthy kidneys to chronic kidney disease (CKD) and finally to kidney failure is very subtle with very few symptoms in the early stages.

However, recognizing the symptoms of impending kidney failure can save you years of health problems.  Here are the seven most common signs of kidney failure…

1. Leg & Back Pain

The most typical sign of chronic kidney disease (or CKD) is lingering pain in the legs and the upper back, close to where the kidneys are situated. You’ll often just feel pain in the side of the affected kidney. The discomfort can be so terrible that it’s been compared to labor pain by affected women. This pain and pressure is often due to the kidneys inability to excrete excess fluid from your body, which leads to swelling in the hands, ankles, legs,  feet, and face.

The location of the affected kidneys can also be a source of pain. The kidneys are situated on either side of the body, directly underneath the diaphragm, near the lower back, which is why pain can radiate to the low back, abdominal sides, or even down into the legs. If the kidneys develop cysts due to polycystic kidney disease, this can understandably result in lower back and leg pain as well.

2. Urinary Urgency

The kidneys produce urine in order to filter waste out of the body. This means, oftentimes, when the kidneys are jeopardized, urinary urgency may occur frequently in the middle of the night, and you may notice that you have to urinate more often, with increased pressure, and in larger quantities. The pressure may be so strong on your bladder that you feel you can’t squeeze all of the urine out when you go to the bathroom (similar to a urinary tract infection). If the urine contains blood, see a doctor immediately.

In addition to frequency and increased amounts of urine, trouble with the kidneys can also be indicated with a change in the color of urine as well. For instance, frequency of urination (greater amounts day and night) can change along with urine color, or appearance (urine may be foamy or bubbly), or and ease (you can develop urination difficulties). If blood appears in the urine, see a doctor immediately.

3. Fatigue

Healthy kidneys produce adequate amounts of the EPO (or erythropoietin) hormone, which command oxygen-carrying red blood cells to energize the muscles and brain. Without adequate EPO, your body and brain will fatigue often and you’ll require more sleep than usual. Those with kidney issues will often notice an unexplained decrease in energy (not from physical exertion or dietary reasons). This can clue you in to a problem with kidney function.

However, those with partial to full kidneys failure can develop anemia (a red blood cells or hemoglobin deficiency of the blood) at almost any stage of CKD and you will experience tired muscles, weakness, and overall fatigue. However, anemia will worsen as CKD progresses. Those with complete loss of kidney function almost always have anemia. At the point of kidney failure a kidney transplant or dialysis (filtering of blood) will be necessary for life.

4. Swelling

As kidneys fail they slow their purpose of fluid elimination from the body. Therefore, this excess fluid pools in your extremities, resulting in swollen legs, hands, ankles, and feet—so much so that you often can’t get shoes or rings on. Doctors refer to swelling in the body as edema. It’s characterized by leaky small blood vessels, which release fluid into nearby tissues. This accumulation of excess fluid causes the tissues to swell.

According to the National Kidney Center, swelling from impaired kidney function typically occurs in the face, hands, feet, legs, and ankles, when the kidneys are unable to eliminate excess fluid from the body. Edema that results in the legs and sometimes the entire body due to kidney disease is called “nephrotic syndrome” by physicians.

5. Irritated Skin

Skin irritations—such as acne breakouts and itchy rashes—occur due to the excess waste floating around in your body. Healthy kidneys will usually eliminate excess fluids, waste, and toxins from the body via the urine. All urine contains the byproducts of metabolism—including (obviously) water, salts, and toxins—that if left in the body end up in the bloodstream. Without healthy, functioning kidneys, waste products and toxins would soon build up to dangerous levels.

Unhealthy kidneys, or kidneys in failure, are unable to flush waste out of the body via urine as effectively, which may cause signs of excess toxicity on the surface of your skin. As a result of excess waste and toxins circuiting in your bloodstream, the buildup may start to emerge on the surface of your skin, taking the form of acne, rashes, dry skin, irritated red skin, hives, and severely itchy skin.

6. Nausea

Toxicity (or the increase of wastes that can’t be eliminated via blood or urination) will often result in a general feeling of nausea as well as a lack of appetite and weight loss. In severe cases, vomiting will make it difficult to keep food and nourishment down. Any damage to the kidneys can cause decreased urination when wastes build up in the bloodstream and are unable to be eliminated efficiently.

In addition to causing nausea and vomiting, kidneys that don’t function properly or at all, will lead to a buildup of waste that results in other obvious symptoms. For instance, a builds up of waste can lead to bad breath, appetite loss (if everything tastes bad), a metallic taste can become ever present in the mouth (also impacting taste), and you may suffer weight loss as a result.

7. Metallic Flavor

Patients, whose kidneys fail, will often describe a metallic taste (also called Ammonia Breath) that lingers in the mouth in the weeks and months prior to actual kidney failure. This metal flavor is due to uremia (the excess waste bi-product present in the bloodstream). Doctors use exhaled breath to monitor patients for a number of conditions, kidney failure is one. Exhaled breath contains over a thousand compounds, such as carbon dioxide, nitrogen, water, inert gases, trace components, and oxygen.

Ammonia levels in the body (plus ammonium ions) are converted to urea in the liver of healthy individuals, transported through the bloodstream, and eventually excreted into urine by the kidneys. This is why the presence of “ammonia breath” is often used by doctors to determine renal impairment. The detection of metallic flavors in the mouth may prompt doctors to test exhaled breath for the presence of ammonia.

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