UK kidney health guide

Early CKD Symptoms: Why Kidney Disease Can Be Difficult to Notice

Early chronic kidney disease often causes few or no obvious symptoms. This is one reason testing can be important for people who have risk factors such as diabetes, high blood pressure or a family history of kidney disease.

Why can CKD have few symptoms?

The kidneys have substantial functional reserve. A person may therefore feel well while kidney function has already changed — this is exactly why the signs of chronic kidney disease are so easy to miss in the early stages, and why stage 3 kidney disease symptoms in particular are often described as vague or absent. Symptoms can become more noticeable as kidney disease becomes more advanced, but symptoms are not a reliable way to stage CKD.

Possible symptoms in more advanced disease

Depending on the cause and severity, people may experience tiredness, swelling, changes in urination, poor appetite, nausea, itching, sleep problems or breathlessness. These symptoms are not specific to CKD and can have many other causes.

Testing is more useful than guessing

Blood tests can measure creatinine and estimate eGFR. Urine tests can assess albumin or protein. Blood pressure measurement is also important.

If you have risk factors for kidney disease, ask your healthcare professional whether kidney function testing is appropriate.

What if you have no symptoms?

Feeling well does not necessarily mean kidney function is normal. Follow-up testing can be important when an earlier result was abnormal or when a clinician has identified a risk factor.

Nisarg Ayurveda offers educational resources about CKD and complementary wellness consultations. These should be used alongside appropriate NHS or private medical care rather than instead of it.