Kidney Function Test (KFT): Early Signs of Kidney Problems

Kidneys play a vital role in filtering waste, balancing fluids, and maintaining overall health. However, kidney problems often develop silently, showing symptoms only when the damage is advanced. This is why a Kidney Function Test (KFT) is an essential diagnostic tool for early detection and monitoring of kidney health.

In this blog, we will discuss what KFT is, its importance, the early signs of kidney problems, and why regular testing is crucial.

What is a Kidney Function Test (KFT)?

A Kidney Function Test (KFT) is a simple blood test that evaluates how well your kidneys are working. It usually measures:

• Serum Creatinine – Indicates waste filtration efficiency.
  
  

• Blood Urea Nitrogen (BUN) – Checks for waste buildup in the blood.
  
  

• Uric Acid – Helps detect kidney dysfunction or metabolic issues.
  
  

• Electrolytes (Sodium, Potassium, Calcium, Phosphorus, Chloride, Bicarbonate) – Assesses balance maintained by kidneys.
  
  

• Estimated Glomerular Filtration Rate (eGFR) – Reflects the overall kidney filtration capacity.
  
  

These parameters together provide a clear picture of kidney health and help in diagnosing conditions like chronic kidney disease (CKD), kidney infections, or damage caused by diabetes and hypertension.

Early Signs of Kidney Problems

Kidney diseases often go unnoticed until they become severe. However, recognizing the early warning signs can help in timely diagnosis and treatment:

1. Frequent urination, especially at night
   
   

2. Foamy or bubbly urine (indicating protein leakage)
   
   

3. Swelling in feet, ankles, or hands due to fluid retention
   
   

4. Persistent fatigue and weakness
   
   

5. Loss of appetite, nausea, or vomiting
   
   

6. Difficulty concentrating or mental confusion
   
   

7. Unexplained high blood pressure
   
   

8. Dark-colored or blood in urine
   
   

If you experience these symptoms, it is advisable to get a Kidney Function Test immediately.

Who Should Get a Kidney Function Test?

Certain groups of people are at higher risk of kidney-related disorders and should undergo regular KFT testing:

• Individuals with diabetes or hypertension
  
  

• People with a family history of kidney disease
  
  

• Those with heart disease
  
  

• Patients on medications that may affect kidney health
  
  

• Individuals experiencing urinary tract infections (UTIs) frequently
  
  

• People over 40 years of age
  
  

Importance of Early Kidney Function Testing

Early detection through KFT can:

• Prevent progression of chronic kidney disease
  
  

• Help in timely treatment and lifestyle modifications
  
  

• Protect against complications such as heart disease, electrolyte imbalance, and kidney failure
  
  

• Monitor the effect of medications on kidney health
  
  

How to Keep Your Kidneys Healthy?

Along with timely KFT testing, adopting a healthy lifestyle can support kidney function:

• Stay hydrated and drink adequate water
  
  

• Control blood sugar and blood pressure levels
  
  

• Limit salt and processed foods
  
  

• Avoid excessive use of painkillers or antibiotics without prescription
  
  

• Exercise regularly and maintain a healthy weight
  
  

• Quit smoking and reduce alcohol intake
  
  

Conclusion

Kidneys are silent workers of our body, and once damaged, recovery is often difficult. A Kidney Function Test (KFT) is the simplest way to detect kidney problems early and prevent complications. If you are experiencing symptoms or belong to a high-risk group, consult your doctor and get tested without delay.

Book your Kidney Function Test today at a trusted diagnostic centre near you and take the first step toward better kidney health.