Five Stages of Kidney Disease: Symptoms, Kidney Function, Treatment and Long-Term Care

Learn about the five stages of kidney disease, eGFR levels, symptoms, causes, treatment options, dialysis, kidney transplant, and expert nephrology care at Prabhakar Bhurke Clinic. ...

September 2, 2026

Introduction

Chronic kidney disease does not usually develop overnight. In many cases, kidney function changes gradually, and doctors use different stages to describe the severity of chronic kidney disease (CKD). Understanding the five stages of kidney disease can help patients recognize the importance of regular monitoring and timely treatment.

CKD staging is primarily based on the estimated Glomerular Filtration Rate (eGFR), together with evidence of kidney damage and other clinical findings. The five commonly recognized stages range from mild kidney impairment to kidney failure.

Importantly, having a particular CKD stage does not automatically mean that kidney failure or dialysis is inevitable. The course of kidney disease varies between individuals and depends on the underlying cause, urine albumin levels, blood pressure, diabetes, cardiovascular health, and how quickly kidney function changes.

At Prabhakar Bhurke Clinic, Dr. Sandip Prabhakar Bhurke, a super specialist nephrologist, provides comprehensive kidney evaluation, CKD management, progression monitoring, dialysis planning, kidney transplant evaluation, and long-term kidney care.

What Is Chronic Kidney Disease?

Chronic kidney disease occurs when abnormalities in kidney structure or function persist for at least three months and have implications for health.

The kidneys perform several important functions, including:

Removing waste products from the blood
Maintaining fluid balance
Regulating electrolytes
Supporting blood pressure regulation
Producing hormones involved in red blood cell production
Helping maintain healthy bones and mineral balance

When kidney function decreases, these processes can become increasingly impaired.

How Are the Five Stages of Kidney Disease Determined?

Doctors commonly use eGFR to categorize the level of kidney filtration.

The broad G categories are:

CKD Stage	eGFR Range	General Description
Stage 1	90 or higher	Normal or high eGFR with evidence of kidney damage
Stage 2	60–89	Mildly reduced eGFR with evidence of kidney damage
Stage 3	30–59	Moderately reduced kidney function
Stage 4	15–29	Severely reduced kidney function
Stage 5	Below 15	Kidney failure in the appropriate clinical context

Stage 3 is further divided into G3a (45–59) and G3b (30–44).

An eGFR value should not be interpreted by itself. Doctors also consider urine albumin, blood pressure, symptoms, medical history, imaging, and the trend in kidney function.

Stage 1 Kidney Disease

What Does Stage 1 Mean?

Stage 1 CKD means the eGFR is generally 90 or higher, but there is evidence of kidney damage or another persistent kidney abnormality.

Examples of kidney damage may include:

Albumin or protein in urine
Abnormal urine findings
Structural abnormalities on imaging
Certain biopsy findings
Specific inherited kidney conditions

An eGFR of 90 or higher by itself does not mean a person has CKD.

Symptoms

Most people with Stage 1 CKD do not experience noticeable symptoms.

The condition may be discovered during:

Routine blood testing
Urine testing
Diabetes screening
High blood pressure evaluation
Imaging for another medical problem

Treatment

Treatment focuses on protecting kidney function and managing the underlying cause.

This may include:

Controlling blood pressure
Managing diabetes
Treating protein leakage
Maintaining a healthy weight
Reducing excessive salt intake
Avoiding unnecessary kidney-harming medicines
Regular monitoring

Early intervention can help reduce the risk of progression.

Stage 2 Kidney Disease

What Does Stage 2 Mean?

Stage 2 CKD generally corresponds to an eGFR of 60–89 along with evidence of persistent kidney damage.

Some people with Stage 2 CKD may have very little reduction in filtration but still have evidence of kidney disease.

Possible Signs

Many patients remain symptom-free.

Possible findings may include:

Foamy urine
Blood in urine
Mild swelling
High blood pressure
Abnormal urine tests

However, these symptoms are not specific to Stage 2 CKD.

Management

Treatment may involve:

Blood pressure control
Diabetes management
Management of albuminuria
Appropriate dietary changes
Exercise
Weight management
Smoking cessation
Regular kidney function monitoring

The goal is to identify and control factors that could cause further kidney damage.

Stage 3 Kidney Disease

Stage 3 represents a more noticeable reduction in kidney function and is divided into two categories.

Stage 3A

eGFR is generally 45–59.

Stage 3B

eGFR is generally 30–44.

Symptoms

Some patients still have no symptoms, while others may experience:

Fatigue
Weakness
Swelling
Changes in urination
Foamy urine
High blood pressure
Muscle cramps
Itching
Difficulty concentrating

Possible Complications

Doctors may begin monitoring more closely for:

Anemia
Electrolyte abnormalities
Mineral and bone disorders
Cardiovascular risk
Increasing blood pressure
Fluid retention

Treatment

Management may include:

Controlling blood pressure
Managing diabetes
Treating albuminuria
Managing anemia when present
Monitoring electrolytes
Individualized dietary planning
Cardiovascular risk reduction
Regular nephrology follow-up

Stage 3 CKD does not automatically mean that dialysis will be needed.

Stage 4 Kidney Disease

What Does Stage 4 Mean?

Stage 4 CKD generally corresponds to an eGFR of 15–29, indicating severely reduced kidney function.

At this stage, careful nephrology follow-up becomes particularly important.

Symptoms

Symptoms may become more noticeable, including:

Significant fatigue
Swelling of the feet and ankles
Reduced appetite
Nausea
Itchy skin
Muscle cramps
Changes in urination
Difficulty concentrating
Shortness of breath

The severity of symptoms varies between individuals.

Complications

Possible complications include:

Anemia
Mineral and bone abnormalities
Electrolyte disturbances
Metabolic acidosis
Fluid retention
High blood pressure
Cardiovascular complications

Treatment

Treatment focuses on controlling complications and preparing for possible future kidney replacement therapy when appropriate.

Doctors may discuss:

Advanced CKD monitoring
Dietary management
Medication adjustments
Anemia treatment
Electrolyte management
Dialysis education
Vascular access planning when appropriate
Kidney transplant evaluation

Planning ahead can help patients make informed decisions if kidney function continues to decline.

Stage 5 Kidney Disease

What Does Stage 5 Mean?

Stage 5 CKD generally refers to an eGFR below 15 in the appropriate clinical context and is commonly associated with kidney failure.

At this stage, the kidneys have severely reduced filtration capacity.

Symptoms

Patients may experience:

Severe fatigue
Loss of appetite
Nausea or vomiting
Persistent itching
Swelling
Reduced urine output
Muscle cramps
Shortness of breath
Difficulty concentrating
Sleep problems
Changes in taste

Not every patient experiences all of these symptoms.

Treatment Options

Treatment depends on symptoms, complications, kidney function, overall health, and personal circumstances.

Possible options include:

Hemodialysis

Blood is filtered through a dialysis machine to remove waste products and excess fluid.

Peritoneal Dialysis

The lining of the abdomen is used as a membrane to help remove waste and excess fluid.

Kidney Transplantation

Eligible patients may be evaluated for kidney transplantation, which can provide functioning kidney tissue from a donor.

Conservative Kidney Management

Some patients may choose a non-dialysis approach focused on symptom management and quality of life, depending on their health status and individual preferences.

Dialysis should not be started or delayed based solely on one eGFR result.

Does Everyone Progress Through All Five Stages?

No.

Some people with CKD remain stable for many years. Others may experience faster progression.

The risk of progression is influenced by:

Underlying kidney disease
eGFR
Urine albumin levels
Blood pressure
Diabetes
Cardiovascular disease
Smoking
Obesity
Repeated episodes of acute kidney injury
Medication adherence
Genetic or inherited kidney conditions

Regular monitoring helps doctors identify changes early.

Symptoms Across the Five Stages

Kidney disease can remain silent for a long time.

As kidney function decreases, symptoms may become more noticeable.

Common symptoms can include:

Fatigue
Swelling
Urinary changes
Foamy urine
High blood pressure
Poor appetite
Nausea
Itching
Muscle cramps
Difficulty concentrating
Breathlessness

Symptoms alone cannot determine the CKD stage. Blood and urine testing are necessary.

What Tests Are Used to Monitor Kidney Disease?

A nephrologist may use several investigations.

Blood Tests

These may include:

Serum creatinine
eGFR
Blood urea nitrogen
Electrolytes
Bicarbonate
Calcium
Phosphorus
Hemoglobin
Blood glucose

Urine Tests

Depending on the condition:

Routine urinalysis
Urine Albumin-to-Creatinine Ratio (ACR)
Protein-to-Creatinine Ratio
Urine microscopy
Urine culture when infection is suspected

Imaging

A kidney ultrasound or other imaging may be recommended to evaluate:

Kidney size
Cysts
Stones
Structural abnormalities
Urinary obstruction

Additional testing, including autoimmune investigations, genetic testing, or kidney biopsy, may be recommended when clinically appropriate.

What Causes Chronic Kidney Disease?

Common causes include:

Diabetes
High blood pressure
Glomerulonephritis
Polycystic kidney disease
Autoimmune kidney disorders
Recurrent kidney infections
Urinary obstruction
Inherited kidney diseases
Repeated acute kidney injury

Identifying the cause is important because treatment may differ significantly between patients.

How Can CKD Progression Be Slowed?

Although established chronic kidney disease is usually not completely reversible, progression can often be slowed.

Important measures include:

Control Blood Pressure

Follow the blood pressure target recommended by your healthcare professional.

Manage Diabetes

Good blood glucose management can reduce ongoing kidney damage in people with diabetic kidney disease.

Manage Albuminuria

Certain medications may reduce protein or albumin loss through the urine in appropriate patients.

Reduce Excess Sodium

Reducing excessive salt intake can support blood pressure and fluid management.

Follow an Individualized Kidney Diet

Protein, potassium, phosphorus, and fluid requirements vary according to kidney function and other health conditions.

Avoid Unnecessary NSAIDs

Frequent or inappropriate use of certain painkillers can increase kidney risk, especially in vulnerable patients.

Stay Physically Active

Appropriate physical activity can support cardiovascular health and overall well-being.

Attend Regular Follow-Up

Regular blood and urine testing helps identify changes in kidney function and complications.

When Should You See a Nephrologist?

Consult a kidney specialist if you have:

Persistently high creatinine
Reduced eGFR
Protein or albumin in urine
Blood in urine
Persistent swelling
Difficult-to-control blood pressure
Diabetes with kidney abnormalities
Recurrent kidney stones
Repeated urinary infections
A family history of kidney disease

Early specialist evaluation can help identify the cause and create an appropriate management plan.

When Is Dialysis Considered?

Dialysis is generally considered when kidney failure causes problems that cannot be adequately controlled with medical treatment.

Doctors may consider factors such as:

Symptoms of kidney failure
Persistent fluid overload
Difficult-to-control potassium abnormalities
Severe acid-base disturbances
Significant waste-product accumulation
Nutritional deterioration
Overall health and quality of life

Therefore, dialysis is not automatically required simply because someone reaches Stage 5 or has a particular creatinine level.

Kidney Transplant Evaluation

For suitable patients with advanced kidney failure, transplantation may provide an alternative to long-term dialysis.

Evaluation may consider:

Overall medical condition
Cardiovascular health
Infection status
Other medical conditions
Suitability for transplantation
Availability of a suitable donor

Patients with advanced CKD may benefit from discussing transplantation early rather than waiting until an urgent need for dialysis develops.

Kidney Care at Prabhakar Bhurke Clinic

At Prabhakar Bhurke Clinic, kidney disease management is personalized according to the patient's stage, underlying cause, symptoms, laboratory results, and overall health.

Dr. Sandip Prabhakar Bhurke, a super specialist nephrologist, provides care that may include:

Comprehensive CKD evaluation
Kidney function monitoring
Urine albumin and protein assessment
Blood pressure management
Diabetes-related kidney care
Electrolyte and anemia management
Kidney stone evaluation
Dialysis planning
Kidney transplant evaluation and guidance
Long-term nephrology follow-up

The objective is to identify kidney problems early, slow disease progression, manage complications, and support the patient's quality of life.

Frequently Asked Questions

What are the five stages of kidney disease?

The five broad CKD stages are Stage 1, Stage 2, Stage 3, Stage 4, and Stage 5. They are categorized mainly according to eGFR, with evidence of kidney damage required for Stage 1 and Stage 2.

Which stage of kidney disease requires dialysis?

Stage 5 CKD is the kidney-failure stage in the appropriate clinical context, but dialysis is not started solely because of an eGFR number. Symptoms, complications, fluid status, laboratory abnormalities, nutrition, and overall health are considered.

Can Stage 3 kidney disease improve?

Some causes of reduced kidney function may improve, particularly when an acute component is present. Established CKD is generally not completely reversible, but appropriate treatment can slow progression.

Is Stage 4 kidney disease serious?

Yes. Stage 4 represents severely reduced kidney function and requires close medical monitoring. Patients may also need preparation for possible kidney replacement therapy.

Does Stage 1 kidney disease cause symptoms?

Usually not. Stage 1 CKD is often detected through urine tests, blood tests, or imaging performed for another reason.

Can kidney disease be prevented?

Not every case can be prevented, but controlling diabetes and blood pressure, maintaining a healthy lifestyle, avoiding unnecessary kidney-harming medicines, and treating underlying conditions can reduce the risk of kidney damage and progression.

Conclusion

Understanding the five stages of kidney disease helps patients recognize how CKD is classified and why regular monitoring is important. Stage 1 and Stage 2 may have few or no symptoms, Stage 3 represents moderate reduction in kidney function, Stage 4 indicates severe reduction, and Stage 5 is associated with kidney failure in the appropriate clinical context.

However, CKD progression is not identical for everyone. eGFR, urine albumin, the underlying cause, blood pressure, diabetes, cardiovascular health, and the rate of change in kidney function all contribute to an individual's outlook.

Early diagnosis and appropriate management can help preserve kidney function and reduce complications. For advanced disease, timely discussion about dialysis options, kidney transplantation, or conservative kidney management can help patients plan their care.

At Prabhakar Bhurke Clinic, Dr. Sandip Prabhakar Bhurke, a super specialist nephrologist, provides comprehensive evaluation, personalized CKD treatment, dialysis planning, transplant guidance, and long-term kidney care.

Book an Appointment Today

If you have high creatinine, reduced eGFR, protein in the urine, swelling, diabetes, high blood pressure, recurrent kidney problems, or a diagnosis of chronic kidney disease, consult Dr. Sandip Prabhakar Bhurke, a super specialist nephrologist at Prabhakar Bhurke Clinic.

A detailed evaluation can help determine your CKD stage, identify the underlying cause, assess your risk of progression, and develop a personalized plan for protecting your kidney health.

Medical Disclaimer

This article is intended for general educational purposes only and does not replace professional medical advice, diagnosis, or treatment. CKD staging and treatment decisions require assessment of individual blood tests, urine tests, medical history, symptoms, and other clinical findings. Do not start, stop, or change medicines without consulting a qualified healthcare professional. If you experience severe breathlessness, very low or absent urine output, persistent vomiting, confusion, severe weakness, or other serious symptoms, seek urgent medical attention.

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