Can You Live With Just One Kidney?
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A normal kidney contains around a million filtering units called nephrons
Yes, you can live a completely normal, healthy life with just one kidney. In fact, many people do—some are born with one kidney, others donate one to a loved one, and some have it removed due to illness or injury. The human body is remarkably efficient, and a single kidney can adapt and carry out all the essential functions needed to keep you healthy.
Dr. Sujeeth Reddy Bande, Senior Consultant Nephrologist, AINU, Banjara hills shares all you need to know:
A normal kidney contains around a million filtering units called nephrons. When one kidney is lost, the remaining kidney naturally increases its capacity—a process called compensatory hypertrophy. It takes over the work of filtering waste, balancing fluids and electrolytes, and regulating blood pressure, all without any special assistance.
Take the example of kidney donors. Every year, thousands of healthy individuals donate a kidney and continue to live full, active lives. Studies show that with routine monitoring and a healthy lifestyle, their life expectancy is better comparable to those with two kidneys.
That said, living with one kidney does mean being mindful of kidney health. Here are a few essential precautions:
Stay hydrated, but don't overconsume fluids—2 to 3 litres per day is generally sufficient.
Keep your blood pressure, blood sugar, and cholesterol in check, as these directly impact kidney health.
Avoid unnecessary painkillers, especially NSAIDs like ibuprofen and diclofenac.
Say no to unregulated herbal remedies and over-the-counter supplements.
Get routine kidney function tests, especially if you have other medical conditions.
No special diet is needed for most people with one kidney, and physical activity is encouraged. Children born with a single kidney often grow up with no complications and lead completely normal lives. Even athletes, soldiers, and professionals from all walks of life function perfectly well with just one kidney.
In short, one healthy kidney is enough. What matters is protecting it—through sensible lifestyle choices and regular medical follow-ups. With awareness and care, living with one kidney is not a limitation, but simply a different normal.
First Published:
May 11, 2025, 15:15 IST
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