Understanding kidney weakness is important as it can manifest in subtle ways and often goes unnoticed. Kidney weakness, or chronic kidney disease, refers to the diminished functionality of one or both kidneys in effectively filtering blood, eliminating toxins, and removing waste through urine. Let’s explore the signs and symptoms of kidney weakness and ways to identify any underlying issues in this article.
1. Signs and Symptoms of Kidney Health: Warnings Your Body May Be Sending
According to BS.CKII Nguyen Huu Hat (Tam Anh General Hospital), chronic kidney disease can affect individuals of all ages but is more prevalent in those over 60, with a family history of kidney disease, diabetes, high blood pressure, cardiovascular issues, or regular users of painkillers, especially over-the-counter NSAIDs.
Delayed detection of kidney disease symptoms can lead to a buildup of toxins in the blood, compromising overall health and leading to severe complications. While the progression of kidney weakness may be insidious, there are some telltale signs to watch out for:
1.1 Fatigue, Dizziness, and Lack of Focus
Healthy kidneys produce erythropoietin, a hormone responsible for red blood cell production. When kidney function declines, the body experiences anemia, resulting in fatigue, dizziness, and difficulty concentrating. These are classic kidney disease symptoms that are often overlooked.
1.2 Unusual Sensitivity to Cold
Feeling chilly and shivering, even in mild weather, could indicate reduced kidney function, leading to decreased circulation of oxygen-rich blood to various organs.
1.3 Itchy Skin and Persistent Rashes
One of the most common signs of kidney dysfunction is itchy skin due to toxin buildup. If skin creams and moisturizers don’t provide relief, it’s important to consider underlying issues related to kidney function.
1.4 Foul Breath
When kidneys fail to adequately filter harmful chemicals from the blood, they can spread to other parts of the body, including the respiratory system. A distinct breath odor may indicate that kidney weakness is becoming a serious health concern.
1.5 Abnormal Urination
One of the most noticeable signs of kidney weakness is a change in urination habits: frequent nighttime urination, foamy, dark, or bloody urine, and excessive or reduced urine output. These are important symptoms to monitor.

Changes in urination habits are one of the ways to identify kidney health issues.
1.6 Facial and Peripheral Edema
When the kidneys’ ability to regulate salt and water balance is compromised, excess fluid can accumulate, leading to swelling in the hands, feet, ankles, or face.
1.7 Lower Back Pain
Persistent or radiating pain in the lower back is a clear warning sign that something is amiss with kidney function.
1.8 Shortness of Breath
The combination of fluid buildup in the lungs and anemia resulting from kidney failure can cause shortness of breath, fatigue, and reduced physical capacity.
2. Is Kidney Weakness Treatable? The Answer Lies in Proactive Health Checkups
By understanding the signs and symptoms of kidney health and regularly monitoring kidney function, you can prevent the disease from progressing. This is especially crucial for individuals at high risk, such as the elderly, those with pre-existing conditions, or long-term medication users, as it can help maintain their quality of life.