How Long Does It Take For A Kidney To Start Working After Transplant?
How long does a new kidney take to work after transplant? Learn about immediate function, delayed graft function, and when temporary dialysis might be needed as your new kidney begins to filter.
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Last updated on 17th Jul, 2025
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Introduction
If you or a loved one has recently undergone a kidney transplant, you may be wondering how long it takes for the new kidney to start functioning properly. The good news is that most transplanted kidneys begin working soon after the surgery, but the exact timeline can vary. Let’s break it down in simple terms so you know what to expect.
When Does the New Kidney Start Working?
After a kidney transplant, the new kidney can start functioning in one of two ways:
Immediate Function (Fast Recovery):
In many cases, the transplanted kidney starts working right away—sometimes even during the surgery itself.
You may begin producing urine within hours after the procedure.
Blood tests (like creatinine levels) will show improvement quickly, often within a few days.
Delayed Function (Slow Recovery):
Sometimes, the kidney takes a little longer to start working—this is called Delayed Graft Function (DGF).
If this happens, you might need temporary dialysis until the kidney recovers.
This delay can last from a few days to a few weeks, but it doesn’t necessarily mean the transplant has failed.
Why Might a Transplanted Kidney Take Longer to Work?
Several factors can affect how quickly your new kidney starts functioning:
Type of Donor (Living vs. Deceased):
Kidneys from living donors often start working faster because they are transplanted immediately after removal.
Deceased donor kidneys may take longer due to preservation and transport time.
Cold Ischemia Time:
This is the time between when the kidney is removed from the donor and when it’s transplanted. The longer this period, the higher the chance of delayed function.
Overall Health of the Recipient:
Conditions like diabetes or high blood pressure can affect recovery.
Previous surgeries or infections may also play a role.
Medication Response:
Antirejection drugs help your body accept the new kidney, but sometimes they can slow down initial function.
What Can You Expect After the Transplant?
All you can expect after the transplant:
First Few Days:
You’ll be closely monitored in the hospital.
Doctors will check your urine output and blood tests frequently.
If the kidney is working well, you’ll see improvements in energy levels and reduced swelling.
First Few Weeks to Months:
Even if the kidney starts working right away, full recovery takes time.
You’ll need regular followups to monitor kidney function.
Antirejection medications will be adjusted as needed.
Long Term Recovery:
Most patients feel much better within 3-6 months.
Full kidney function may take up to a year to stabilize.
consult for nephrologist
How Can You Help Your New Kidney Work Better?
To ensure the best outcome, follow these tips:
Take Your Medications Faithfully:
Antirejection drugs are crucial—never skip them.
Set reminders if needed.
Stay Hydrated:
Drink enough water (as advised by your doctor) to help kidney function.
Eat a Kidney-Friendly Diet:
Limit salt, processed foods, and excessive protein.
Include fresh fruits, vegetables, and whole grains.
Avoid Infections:
Wash hands frequently.
Stay away from crowded places initially.
Exercise (As Recommended):
Light walking helps circulation and recovery.
Monitor Blood Pressure & Sugar Levels:
Keep them under control to protect your new kidney.
When Should You Be Concerned?
While some delay is normal, contact your doctor if you notice:
Severe decrease in urine output
High fever or signs of infection
Sudden swelling or pain near the transplant site
Extreme fatigue or dizziness
Final Thoughts
A kidney transplant is a lifechanging procedure, and while recovery varies, most people see significant improvements within days to weeks. Even if your new kidney takes a little longer to start working, proper care and followup can lead to a successful outcome.
If you have concerns about your kidney function posttransplant, don’t hesitate to reach out to your healthcare team. For expert guidance, you can also book a consultation with a nephrologist on Apollo 24|7 for personalized advice.
Stay positive, follow your doctor’s recommendations, and give your body the time it needs to heal. Your new kidney is a gift—take good care of it!
Consult Top Nephrologist
consult for nephrologist
D. Akshay Zalavadiya
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3 Years • MBBS, MD, DM Nephrology
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Dr. Siddharth Herur
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Dr. Luvdeep Dogra
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Dr Dogras Health Clinic, Jaipur
Dr. S Bipin Kumar
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13 Years • MBBS, MD General Medicine, DM, Nephrology
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SG KIDNEY CARE, Rajamahendravaram
Consult Top Nephrologist
D. Akshay Zalavadiya
Nephrologist
3 Years • MBBS, MD, DM Nephrology
Ahmedabad
Beacon kidney consult, Ahmedabad
Dr. Siddharth Herur
Nephrologist
4 Years • MBBS, MD General Medicine, DM Nephrology
Kurnool
Medicover hospital and Gurudatta poly clinic, Kurnool
Dr. Anantha Rao
Nephrologist
7 Years • MBBS, DNB (General Medicine), DNB (Nephrology)
Kurnool
Aakash hospital and KIMS hospital, Kurnool
Dr. Luvdeep Dogra
Nephrologist
10 Years • MBBS, MD, DM (NEPHORLOGY)
Jaipur
Dr Dogras Health Clinic, Jaipur
Dr. S Bipin Kumar
Nephrologist
13 Years • MBBS, MD General Medicine, DM, Nephrology
Rajamahendravaram
SG KIDNEY CARE, Rajamahendravaram
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