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Understanding Kidney Cancer Signs and Symptoms

Learn the key signs and symptoms of kidney cancer, including blood in urine, lower back pain, and fatigue. Early detection is crucial for effective treatment and better outcomes.

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Written by Dr. Mohammed Kamran

Reviewed by Dr. M L Ezhilarasan MBBS

Last updated on 21st Aug, 2025

Understanding Kidney Cancer Signs and Symptoms


Kidney cancer is a serious health condition that affects thousands of people every year. While the thought of cancer can be scary, understanding the signs and symptoms can help in early detection and better treatment outcomes. This article will guide you through the basics of kidney cancer, its symptoms, causes, and steps you can take to manage your health.

What is Kidney Cancer?

Kidney cancer occurs when abnormal cells in one or both kidneys grow uncontrollably, forming a tumour. The kidneys are vital organs responsible for filtering waste from the blood and producing urine. When cancer develops, it can interfere with these functions and spread to other parts of the body if not treated early.

Common Signs and Symptoms

Kidney cancer often does not show symptoms in its early stages, which is why regular check-ups are important. However, as the disease progresses, the following signs may appear:

1. Blood in Urine (Hematuria): One of the most noticeable symptoms, urine may appear pink, red, or cola-colored.
2. Persistent Pain in the Side or Lower Back: A dull ache or sharp pain that doesn’t go away, usually on one side.
3. Unexplained Weight Loss: Losing weight without changes in diet or exercise.
4. Fatigue: Feeling unusually tired or weak, even after rest.
5. Loss of Appetite: Not feeling hungry or full quickly after eating small amounts.
6. Fever or Night Sweats: Persistent fever without infection or excessive sweating at night.
7. Swelling in Legs or Ankles: Due to fluid retention caused by kidney dysfunction.

If you experience any of these symptoms, especially blood in urine or persistent pain, consult a doctor immediately.

What Causes Kidney Cancer?

While the exact cause is not always clear, certain risk factors increase the likelihood of developing kidney cancer:

  • Smoking: Smokers are at higher risk than non-smokers.
  • Obesity: Excess weight can lead to hormonal changes that promote cancer growth.
  • High Blood Pressure: Poorly controlled hypertension may contribute.
  • Family History: A genetic predisposition can play a role.
  • Exposure to Harmful Chemicals: Workplace exposure to substances like asbestos or cadmium.
  • Chronic Kidney Disease: Long-term dialysis patients have a higher risk.

Consult Top Specialists

Dr. Pardha Saradhi, Nephrologist

Dr. Pardha Saradhi

Nephrologist

9 Years • MBBS, MD-DNB (Gen. Med.), DNB (Nephro)

Hyderabad

Apollo Hospitals D R D O kanchanbagh, Hyderabad

recommendation

92%

(50+ Patients)

1000

100 Cashback

1000

No Booking Fees

How is Kidney Cancer Diagnosed?

If your doctor suspects kidney cancer, they may recommend:

  • Urine Tests: To check for blood or abnormal cells.
  • Blood Tests: To assess kidney function.
  • Imaging Tests: Ultrasound, CT scan, or MRI to detect tumours.
  • Biopsy: A small tissue sample may be taken for further testing.

Early diagnosis improves treatment success, so don’t ignore symptoms.

Treatment Options

Treatment depends on the stage and severity of cancer. Common approaches include:

  • Surgery: Removing part or all of the affected kidney.
  • Radiation Therapy: Using high-energy rays to kill cancer cells.
  • Targeted Therapy: Drugs that attack specific cancer cells.
  • Immunotherapy: Boosting the immune system to fight cancer.

Your doctor will recommend the best option based on your condition.

Lifestyle Tips for Prevention and Management

While not all cases can be prevented, these steps can lower your risk:

1. Quit Smoking: Reduces cancer risk significantly.
2. Maintain a Healthy Weight: Exercise regularly and eat a balanced diet.
3. Control Blood Pressure: Monitor and manage hypertension with your doctor’s help.
4. Stay Hydrated: Drinking enough water supports kidney function.
5. Limit Alcohol: Excessive drinking can harm kidney health.
6. Eat a Kidney-Friendly Diet: Reduce salt, processed foods, and include fruits, vegetables, and whole grains.

When to See a Doctor?

If you notice any unusual symptoms, especially blood in urine or persistent pain, seek medical advice promptly. Early detection saves lives.

If you’re concerned about kidney health or experiencing symptoms, Apollo24|7 offers expert consultations and diagnostic tests. You can easily book an appointment online and get the care you need from trusted specialists.

Conclusion

Kidney cancer can be daunting, but awareness and early action make a big difference. Pay attention to your body, adopt a healthy lifestyle, and don’t hesitate to seek medical advice if something feels off. Your health is worth it!

Stay informed, stay proactive, and take care of your kidneys—they work hard for you every day.

Consult Top Specialists

Dr. Pardha Saradhi, Nephrologist

Dr. Pardha Saradhi

Nephrologist

9 Years • MBBS, MD-DNB (Gen. Med.), DNB (Nephro)

Hyderabad

Apollo Hospitals D R D O kanchanbagh, Hyderabad

recommendation

92%

(50+ Patients)

1000

100 Cashback

1000

No Booking Fees

Consult Top Specialists

Dr Ch Sashidhar, Nephrologist

Dr Ch Sashidhar

Nephrologist

20 Years • MBBS, MD General Medicine, DNB, Nephrology

Secunderabad

Apollo Hospitals Secunderabad, Secunderabad

600

90 Cashback

600

No Booking Fees

Dr. Pardha Saradhi, Nephrologist

Dr. Pardha Saradhi

Nephrologist

9 Years • MBBS, MD-DNB (Gen. Med.), DNB (Nephro)

Hyderabad

Apollo Hospitals D R D O kanchanbagh, Hyderabad

recommendation

92%

(50+ Patients)

1000

100 Cashback

1000

No Booking Fees

Dr. Manju Kamal, Nephrologist

Dr. Manju Kamal

Nephrologist

12 Years • MBBS,MD(General Medicine), DNB,DM(Nephrology)

Angamaly

Apollo Hospitals Karukutty, Angamaly

500

No Booking Fees

Dr. Kity Sarkar, Nephrologist

Dr. Kity Sarkar

Nephrologist

15 Years • MBBS,MD(Genl. Med.), DrNB(NEPHROLOGY)

Kolkata

Dr. Kity Sarkar's Clinic, Kolkata

1100

1000

No Booking Fees

D. Akshay Zalavadiya, Nephrologist

D. Akshay Zalavadiya

Nephrologist

3 Years • MBBS, MD, DM Nephrology

Ahmedabad

Beacon kidney consult, Ahmedabad

1000

No Booking Fees

Consult Top Specialists

Dr Ch Sashidhar, Nephrologist

Dr Ch Sashidhar

Nephrologist

20 Years • MBBS, MD General Medicine, DNB, Nephrology

Secunderabad

Apollo Hospitals Secunderabad, Secunderabad

600

90 Cashback

600

No Booking Fees

Dr. Pardha Saradhi, Nephrologist

Dr. Pardha Saradhi

Nephrologist

9 Years • MBBS, MD-DNB (Gen. Med.), DNB (Nephro)

Hyderabad

Apollo Hospitals D R D O kanchanbagh, Hyderabad

recommendation

92%

(50+ Patients)

1000

100 Cashback

1000

No Booking Fees

Dr. Manju Kamal, Nephrologist

Dr. Manju Kamal

Nephrologist

12 Years • MBBS,MD(General Medicine), DNB,DM(Nephrology)

Angamaly

Apollo Hospitals Karukutty, Angamaly

500

No Booking Fees

Dr. Kity Sarkar, Nephrologist

Dr. Kity Sarkar

Nephrologist

15 Years • MBBS,MD(Genl. Med.), DrNB(NEPHROLOGY)

Kolkata

Dr. Kity Sarkar's Clinic, Kolkata

1100

1000

No Booking Fees

D. Akshay Zalavadiya, Nephrologist

D. Akshay Zalavadiya

Nephrologist

3 Years • MBBS, MD, DM Nephrology

Ahmedabad

Beacon kidney consult, Ahmedabad

1000

No Booking Fees

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