Kidney Health 10 min read·Updated 22 July 2026 Clinician-reviewed

Kidney Transplant — What to Expect

A UK Consultant Nephrologist on kidney transplantation — who is eligible, how the waiting list works, what surgery and recovery involve, and life with a new kidney.

  • Clinically Reviewed
  • NHS & NICE Aligned
  • UK Evidence-Based
  • Last Reviewed 22 July 2026

Professor Mohammed Mahdi Althaf

Consultant Nephrologist & Acute Physician

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Professor Mohammed Mahdi Althaf

MD, MSc, PgDip (Clin Ed), FRCP, FHEA, FASN

Consultant Nephrologist & Acute Physician · GMC 7216325

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Direct answer

A kidney transplant is the best treatment for most people with kidney failure. It offers better quality of life and survival than long-term dialysis. The new kidney is placed in the abdomen; your own kidneys usually stay. Lifelong immunosuppressants are needed to prevent rejection. Living-donor kidneys last longer and can be planned before dialysis.

Key recommendation: A transplant offers better survival and quality of life than dialysis.

Quick answer

✓ Best choices

  • Thoroughly cooked meats, fish and eggs
  • Washed, peeled fruit and vegetables
  • Vegetables, whole grains, beans and olive oil
  • Adequate hydration and dietary calcium for bone health

✓ Foods to limit

  • Grapefruit and Seville orange — they interact with tacrolimus and ciclosporin
  • Unpasteurised dairy, soft-ripened cheeses, raw eggs and undercooked meat
  • Excess salt and ultra-processed foods (BP and weight gain)

Key takeaway

A kidney transplant is the best treatment for most people with kidney failure. It offers better quality of life and survival than long-term dialysis. The new kidney is placed in the abdomen; your own kidneys usually stay. Lifelong immunosuppressants are needed to prevent rejection. Living-donor kidneys last longer and can be planned before dialysis.

Who should be cautious

People on dialysis, post-transplant, pregnant or breastfeeding, or taking prescription medication — confirm with your renal team before changes.

Kidney Transplant — What to Expect

The transplant assessment process

Referral to a transplant centre starts once eGFR falls below 20 or dialysis has begun. The assessment includes blood tests, heart tests (ECG, echocardiogram, sometimes angiogram), lung function, cancer screening, infection screening (hepatitis, HIV, TB), and dental review. You will also meet the transplant surgeon, nephrologist, specialist nurse, dietitian, and social worker. The process takes several months. Being listed does not guarantee a transplant — it means you are eligible when a suitable kidney becomes available.

The UK donor pool and matching

In the UK, deceased-donor kidneys are allocated by NHS Blood and Transplant using a national computer system. Priority is based on: tissue matching (HLA compatibility), waiting time, age match, and a points score that rewards dialysis time and tissue match quality. People who are highly sensitised (have many antibodies against donor tissue) wait longer. The UK also has a paired/pooled scheme where incompatible donor-recipient pairs swap kidneys with other pairs.

Living donation: what donors should know

Living donors undergo extensive health checks to ensure donation is safe. They must be over 18, in good health, and have normal kidney function. Donors can live perfectly well with one kidney — the remaining kidney compensates by growing larger. Recovery takes 4–6 weeks. In the UK, living donors are covered by the NHS for life for any donation-related healthcare. Altruistic (non-directed) donation — giving to a stranger — is legal and increasingly common.

Always confirm any new supplement with your transplant team. Kidney Vitality is a daily multivitamin developed using renal nutrition principles, with no added potassium, magnesium, phosphorus or iron. See the formulation.

Recovery and early aftercare

In the first week, the transplant team monitors urine output, blood tests (creatinine, tacrolimus levels), and checks for bleeding or clots. Dialysis is sometimes needed briefly if the new kidney is slow to start. Most people go home after 5–7 days with a large supply of medicines and a strict follow-up schedule. Clinic visits are frequent at first — weekly, then fortnightly, then monthly — with blood tests before each visit.

Life after transplant: diet, exercise and travel

Diet: avoid grapefruit and grapefruit juice (they interact with tacrolimus and ciclosporin). Avoid unpasteurised dairy, raw shellfish, and undercooked meat (infection risk). Limit salt to control blood pressure. Exercise: walking and gentle activity start within days; swimming and gym exercise can resume after 6–8 weeks once the wound has healed. Travel: avoid live vaccines (yellow fever, BCG, oral typhoid). Carry a letter listing your medicines. Declare your transplant to travel insurers. Sun protection is critical — immunosuppressants increase skin cancer risk.

Signs of rejection or infection

Contact your transplant team urgently if you develop: reduced urine output, fever, pain or tenderness over the transplant, swelling, or feeling generally unwell. These can signal rejection or infection — both are treatable if caught early. Do not wait for your next clinic appointment.

Dialysis Diet — What to Eat & Avoid
Related reading: Dialysis Diet — What to Eat & Avoid.

Key practical tips

Designed for quick scanning — what to order, what to avoid, sensible portions, common mistakes.

  • Keep fridge ≤ 5 °C and reheat leftovers to piping hot
  • Track weight monthly — steroid-driven weight gain is common but manageable
  • Bring your full medication list to every dietetic review

Clinical guidance

TL;DR summary

A kidney transplant is the best treatment for most people with kidney failure. It offers better quality of life and survival than long-term dialysis. The new kidney is placed in the abdomen; your own kidneys usually stay. Lifelong immunosuppressants are needed to prevent rejection. Living-donor kidneys last longer and can be planned before dialysis.

Key takeaways
  • A transplant offers better survival and quality of life than dialysis.
  • Average UK wait for a deceased-donor kidney: 2–3 years.
  • Living-donor kidneys last 15–20 years on average.
  • Your own kidneys usually stay in place during surgery.
  • Lifelong immunosuppressants and monitoring are essential.
Kidney Diet & Nutrition Considerations After Transplant

After a kidney transplant the diet broadens — but food safety, weight, blood pressure and bone health become the priorities. Immunosuppressants raise infection risk and can affect blood sugar and lipids, so a balanced Mediterranean-style plate plus careful food hygiene works well.

Foods to prioritise

  • Thoroughly cooked meats, fish and eggs
  • Washed, peeled fruit and vegetables
  • Vegetables, whole grains, beans and olive oil
  • Adequate hydration and dietary calcium for bone health

Foods to limit

  • Grapefruit and Seville orange — they interact with tacrolimus and ciclosporin
  • Unpasteurised dairy, soft-ripened cheeses, raw eggs and undercooked meat
  • Excess salt and ultra-processed foods (BP and weight gain)

Potassium, phosphate and protein needs vary between individuals — please confirm personal targets with your renal team or dietitian. Browse the Kidney Diet Hub for more guides in this cluster.

Frequently asked questions

Who can have a kidney transplant?

Most people with end-stage kidney disease (stage 5, eGFR < 15 or on dialysis) can be assessed for a transplant. There is no upper age limit — fitness and overall health matter more than age. Contraindications include active cancer, severe heart or lung disease that makes surgery unsafe, uncontrolled infections, and some cases of severe obesity. Each UK transplant centre assesses candidates individually.

How long is the kidney transplant waiting list in the UK?

The average wait for a deceased-donor kidney in the UK is 2–3 years, but this varies by blood group, tissue type, and region. People with rarer blood types (e.g., B) often wait longer. Living donation bypasses the waiting list entirely — if a friend or family member is a suitable match, transplantation can happen within months.

What is the difference between deceased and living donation?

A deceased-donor kidney comes from someone who has died and consented to organ donation. These kidneys usually function immediately but sometimes need a few days of dialysis support. A living-donor kidney comes from a healthy person — usually a relative or friend, but increasingly from altruistic strangers. Living-donor kidneys last longer on average (15–20 years vs 10–15 years) and can be transplanted before dialysis starts (pre-emptive transplantation).

What does transplant surgery involve?

A kidney transplant is not a kidney removal — your own kidneys usually stay in place. The new kidney is placed in the lower abdomen (the pelvis) and connected to your blood vessels and bladder. The operation takes 2–4 hours. Most people stay in hospital for 5–7 days. The old kidneys are only removed if they cause problems such as recurrent infections or uncontrolled bleeding from cysts.

What medicines will I need after a transplant?

Immunosuppressants prevent your body from rejecting the new kidney. The standard UK regimen includes tacrolimus or ciclosporin (calcineurin inhibitors), mycophenolate or azathioprine (anti-proliferatives), and prednisolone (steroid). You will also need lifelong monitoring of blood levels, blood pressure, blood sugar, and infection markers. Doses are highest in the first 6 months and then tapered.

What are the risks after a kidney transplant?

Rejection can happen at any time — acute rejection in the first year is treatable with stronger immunosuppression, but chronic rejection causes gradual kidney loss over years. Immunosuppressants raise the risk of infections (especially in the first 6 months), diabetes, high blood pressure, high cholesterol, and some cancers (especially skin cancer). Regular follow-up, sun protection, and avoiding live vaccines are essential.

What foods should I avoid after a kidney transplant?

Avoid grapefruit and Seville orange (they raise tacrolimus and ciclosporin levels), unpasteurised dairy, soft-ripened cheeses, pâté, raw or undercooked meat, raw shellfish and any food past its use-by date. These reduce the risk of serious infection while you are on immunosuppressants.

Nutritional challenges in kidney disease

Many people living with kidney disease have to limit foods because of potassium, phosphate, diabetes, dialysis, appetite changes or simply the time it takes to cook from scratch every day. That can make it harder to keep daily nutrition balanced — particularly for vitamins and minerals that food alone may not fully cover.

Kidney Vitality is a UK-formulated daily nutritional support product designed by Consultant Nephrologist Professor Mohammed Mahdi Althaf with renal nutrition in mind from the start. It keeps doses moderate, leaves out added potassium, phosphate and magnesium, and avoids megadose vitamin A — sitting alongside a kidney-friendly diet, not replacing it.

Why Kidney Vitality fits this need

Built around UK renal guidance

Aligned with NHS Blood and Transplant guidance, NICE NG203, and the UK Renal Association transplant standards.

Designed by a UK Consultant Nephrologist

Formulated and reviewed by Professor Mohammed Mahdi Althaf (GMC 7216325).

Evidence-based by design

Covers the full transplant journey from assessment through recovery, with safety-netting for rejection and infection.

Designed by a UK Consultant Nephrologist

Ready to support your kidney health?

If you have been researching kidney health, supplements, CKD nutrition or kidney-friendly living, Kidney Vitality was developed specifically around those principles by Professor Mohammed Mahdi Althaf (GMC 7216325). Nephrologist Developed Daily Multivitamin.

  • Active-Form B-Complex
  • No Added Potassium
  • No Added Phosphorus
  • Developed by a Consultant Nephrologist
  • One capsule daily
  • UK GMP — BRCGS, NSF GMP, Halal

✓ Free UK tracked delivery  ·  ✓ Delivered every 30 days  ·  ✓ Pause or cancel anytime  ·  ✓ Never run out

ComparisonKidney VitalityTypical high-street multivitamin
Added potassiumNoneOften included
Added phosphateNoneOften included (E338–E452)
Vitamin A (retinol)No megadoseOften high-dose retinol
Kidney-focused formulationYesNo — general population
Consultant Nephrologist involvementYes (GMC 7216325)No
UK GMP manufacturedYes (BRCGS, NSF GMP)Varies

Food supplement. Not a medicine and not a treatment for kidney disease. Speak with your GP, pharmacist or renal team before starting any new supplement, especially in advanced CKD, on dialysis, post-transplant, pregnant or breastfeeding.

Clinical reviewer

Professor Mohammed Mahdi Althaf

Consultant Nephrologist

Acute Physician

GMC 7216325

View Full Biography

Professor Mohammed Mahdi Althaf is a UK Consultant Nephrologist and Acute Physician with a special interest in chronic kidney disease, AKI prevention and renal nutrition. He combines hospital practice with patient education and clinical guidance review.

View professional profile →
View Credentials
  • MD
  • MSc
  • PgDip (Clin Ed)
  • FRCP
  • FHEA
  • FASN

About this article

Written for UK patients and based on:

  • NICE guidance
  • NHS resources
  • British Dietetic Association guidance
  • Kidney Care UK resources
View methodology

Each article is researched against current UK clinical guidance (NICE NG203, NG118, NG136), NHS patient resources, KDIGO and KDOQI international guidelines, and the British Dietetic Association Renal Nutrition Group. Drafts are written by the Kidney Vitality editorial team and reviewed by a UK Consultant Nephrologist before publication. Content is reviewed on a rolling basis and updated when guidance changes.

Editorial standards

  • Clinically reviewed
  • NHS-aligned
  • NICE-aligned
  • Evidence-based
  • Reviewed before publication
View full editorial process

Every article is researched and written by the Kidney Vitality editorial team using current UK clinical guidance (NICE NG203, NG118, NG136), NHS patient resources, KDIGO/KDOQI international guidelines, and British Dietetic Association renal nutrition guidance. Drafts are reviewed for clinical accuracy by Professor Mohammed Mahdi Althaf, MD, MSc, PgDip (Clin Ed), FRCP, FHEA, FASN (Consultant Nephrologist & Acute Physician, GMC 7216325) before publication. Content is updated when UK guidance changes.

References (4)View Sources
  1. NICE NG203: Chronic kidney disease — assessment and management
  2. KDIGO 2024 Clinical Practice Guideline for the Evaluation and Management of CKD
  3. KDOQI Clinical Practice Guideline for Nutrition in CKD: 2020 Update
  4. British Dietetic Association — Renal Nutrition Group

Medical disclaimer

This content is educational only and does not replace personalised medical advice.

Read full disclaimer

This page is general information, not personal medical advice. If you have chronic kidney disease, are on dialysis, have had a kidney transplant, are pregnant or breastfeeding, or take prescription medication, please confirm any supplement with your GP, pharmacist or renal team before starting.