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Chronic kidney disease is one of the most serious yet underestimated health threats of our time. It can progress for years without visible symptoms – until irreparable damage occurs. Precisely because of this silence, many patients see a nephrologist only when kidney function is already significantly reduced.
The greatest paradox of this disease is that, in a large number of cases, it is possible to slow down or even stop its progression. But this requires awareness. And that is where we often fail.
Poor diet, too much salt, chronic stress, uncontrolled diabetes, prolonged use of analgesics, and neglect of blood pressure – these are all factors that today create the perfect ground for the development of kidney diseases.
In this article, you will learn how to recognize risks in time, what a simple examination with a nephrologist reveals, and why early kidney control is one of the wisest decisions you can make.
What is chronic kidney disease and who is at risk?
Chronic kidney disease (CKD) refers to the gradual and permanent loss of kidney function, whereby the kidneys can no longer effectively filter waste products, excess fluid, and salts from the blood. This damage does not happen suddenly, but often takes years – silently, without visible symptoms, until it reaches a point where the damage is already serious or irreversible.
CKD is today a global health problem, and the particularly concerning fact is that it often occurs in individuals who do not feel ill. The most vulnerable groups are those who already live with other chronic conditions. In the first place are diabetics – for whom elevated blood sugar levels damage the blood vessels in the kidneys over the years – and those with high blood pressure, which further burdens kidney circulation.
The at-risk group also includes smokers, overweight individuals, those with high cholesterol, and anyone who takes analgesics for a long time without medical supervision. Patients with autoimmune diseases like lupus can also develop secondary kidney disease.
The genetic factor should not be overlooked – if someone in your family has had kidney disease, your risk increases. The same goes for age – as we age, kidney function naturally declines, which is why monitoring is important even in the absence of symptoms.
Knowing whether you belong to a risk group is the first step towards timely prevention and preserving kidney function – because CKD does not have to occur suddenly, but its consequences come quickly if we do not recognize it in time.
Silent symptoms of chronic kidney disease that most people ignore
Chronic kidney disease is called the "silent killer" for a reason – it often does not show any pronounced symptoms for a long time, especially in the early stages. Many people live for years with kidney damage without even being aware of it. The first signs, when they do appear, are often so general and mild that they are easily attributed to stress, fatigue, or "getting older."
Fatigue, weakness, decreased concentration, a feeling of heaviness in the body – these are common early indicators that something is wrong. As the disease progresses, swelling (especially around the ankles and in the face), high blood pressure, frequent urination at night, dark or foamy urine, as well as nausea, loss of appetite, and bad breath may occur.
The problem is that these symptoms are nonspecific – they do not lead the patient immediately to a nephrologist. They are often not recognized as signs of kidney damage but are treated 'on the side' – while kidney function gradually weakens.
That is why it is important to regularly monitor basic parameters: blood pressure, creatinine levels, and protein in urine, as well as to conduct targeted blood and urine analysis, especially if you belong to one of the risk groups.
Due to the lack of clear warnings, early detection depends solely on the awareness and proactive approach of the patient – because kidneys do not hurt until it is serious.
The most common causes of chronic kidney disease and how to recognize them in time
Chronic kidney disease never occurs without a cause. In the vast majority of cases, the development of the disease is closely linked to long-term, but often neglected conditions that silently damage kidney structure and function.
Diabetes and arterial hypertension are the leading causes of chronic kidney damage worldwide — including in Croatia. High blood sugar levels damage the small blood vessels within the kidneys, which over time leads to a decrease in their filtering capacity. Similarly, high blood pressure creates a constant burden on kidney circulation, causing chronic tissue damage.
There are also cardiovascular diseases, obesity, chronic urinary tract infections, and autoimmune diseases like systemic lupus erythematosus or vasculitis, which can cause direct inflammation of the kidneys.
Increasingly, chronic and uncontrolled use of medications, especially analgesics (non-steroidal anti-inflammatory drugs), is reported as a cause, which many patients do without consulting a doctor. Added to that are unhealthy diets rich in salt, processed foods, and sugary drinks, as well as chronic stress and insufficient hydration, creating a picture of modern lifestyle that almost perfectly favors the development of kidney disease.
Unfortunately, it is rare for an individual to recognize these risks and start regular kidney function monitoring. Symptoms are late, but laboratory results do not lie. Simple tests – such as creatinine levels, GFR (glomerular filtration rate), and the amount of albumin in urine – can detect issues years before clinical symptoms appear.
That is why it is important to recognize risk factors in time and start monitoring – because the earlier we discover the disease, the greater the chances of slowing it down and controlling it.
One of the best ways for early diagnosis of CKD – but also other insidious diseases – is through regular check-ups.
What does the diagnosis and treatment of chronic kidney disease look like in the early stages?
The good news about chronic kidney disease is that – when detected in the early stage – it is possible to significantly slow its course in many cases, and sometimes even halt its progression. But the first step towards this is an accurate diagnosis.
The diagnostic process begins with a simple laboratory analysis of blood and urine. Through blood creatinine levels and calculation of GFR, one can obtain a fairly reliable insight into kidney function. In addition, the presence of protein (albumin) in urine is examined, which can be one of the first indicators of damage to the kidney barrier. An ultrasound of the kidneys is often performed, which can reveal structural changes or the presence of kidney cysts, stones, or signs of chronic damage.
At our Polyclinic Priska Med, the diagnostics are conducted comprehensively and individually – including cardiological and endocrinological processing (because CKD rarely appears in isolation), as well as nutritional and nephrological counseling.
Early stage treatment does not immediately involve heavy therapies. It generally consists of controlling the underlying cause of the disease (e.g., regulation of sugar and pressure), introducing dietary changes (reduced intake of salt and proteins), regulating body weight, and monitoring kidney function at regular intervals.
In some cases, medication therapy is included – e.g., ACE inhibitors that protect the kidneys from further damage in hypertension. Psychological support, especially for chronic patients facing lifestyle changes, is also an essential component of a holistic approach.
The key is timeliness – because the later the disease is discovered, the smaller the possibilities for treatment become, and the quality of life significantly deteriorates.
Why early prevention is the only right direction
Like many chronic diseases, prevention is the most effective and least painful approach to treatment. But in chronic kidney disease, prevention carries even greater weight – because once kidney function significantly declines, there is no turning back. Then we talk about the terminal stages of the disease that require dialysis or kidney transplantation.
Early prevention does not only mean avoiding disease, but also preserving quality of life, avoiding hospital treatments, complications, constant medications, and significant psychological burden that comes with a chronic diagnosis.
Regular check-ups, especially for individuals with risk factors, are key to recognizing problems at the earliest stage. As part of the nephrological care at Polyclinic Priska Med, we offer targeted preventive check-ups and laboratory packages that allow for early detection of any deviations in kidney function – without waiting and with consultations with top experts.
Conclusion
Chronic kidney disease may not hurt – but it silently, systematically, and irreversibly damages. It is precisely this silence that makes it so dangerous. In an age where there is more discussion about heart health, blood sugar, and fats, kidney health remains sidelined. And these are organs without which the body cannot function for even a day, let alone for decades.
If you have high blood pressure, diabetes, weight problems, autoimmune diseases, or there are kidney patients in your family – the risk is real. However, even without such factors, everyday habits of modern life (uncontrolled medications, fast food, lack of sleep, and stress) are not doing us any favors.
Timely diagnostics, early insight into kidney function, and professional nephrological care can make a difference between living with full strength and living under the burden of dialysis. At Polyclinic Priska Med, we offer complete nephrological assessment without waiting lists, with a dedicated multidisciplinary team that takes care of your health the right way. Book an appointment and check your kidney function today.
📧 poliklinika@priska-med.com
📞 099/444-3344
🌐 directly through the contact form
📍 Kroz Smrdečac 45, Split