Patient Resources 8 min read·Updated 22 July 2026 Clinician-reviewed

Managing Itching (Uraemic Pruritus) in CKD

A UK Consultant Nephrologist on uraemic pruritus — why itching happens in chronic kidney disease and how to manage it effectively.

  • 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

Itching in CKD is caused by toxin build-up and high phosphate. Moisturise daily, avoid hot showers, control phosphate, and ask your renal team about treatments like UVB therapy or gabapentin if it persists.

Key recommendation: Moisturise twice daily with fragrance-free emollient.

Quick answer

✓ Best choices

  • Vegetables, lower-potassium fruit and whole grains
  • Sensible portions of fish, eggs, chicken or tofu
  • Olive oil and unsalted nuts in small amounts

✓ Foods to limit

  • Added salt and ultra-processed foods
  • Phosphate additives in processed meats and ready meals
  • Sugary and energy drinks

Key takeaway

Itching in CKD is caused by toxin build-up and high phosphate. Moisturise daily, avoid hot showers, control phosphate, and ask your renal team about treatments like UVB therapy or gabapentin if it persists.

Who should be cautious

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

Managing Itching (Uraemic Pruritus) in CKD

Why CKD causes itching

Uraemic pruritus affects up to 50–70% of dialysis patients and many with stage 4–5 CKD. The cause is multifactorial: accumulation of uraemic toxins (particularly middle molecules), dry skin from reduced sweat and oil gland function, secondary hyperparathyroidism (high phosphate and PTH), and altered histamine and cytokine signalling. It is not contagious and not caused by poor hygiene.

Daily skin care routine

  • Bathe in lukewarm water, not hot — heat opens pores and increases irritation.
  • Use soap-free cleansers or emollient wash products.
  • Pat skin dry; do not rub.
  • Apply a thick, fragrance-free emollient (e.g. Epaderm, Diprobase, Doublebase) within 3 minutes of bathing while skin is still slightly damp.
  • Reapply emollient to itchy areas 2–3 times daily.
  • Wear loose cotton clothing; avoid wool and synthetic fabrics directly on skin.

Kidney Vitality is a daily multivitamin developed by a UK Consultant Nephrologist using renal nutrition principles. It contains no added potassium, magnesium, phosphorus or iron, and no herbal blends. See the formulation.

Medical treatments

  • Phosphate control: dietary restriction + phosphate binders (calcium acetate, sevelamer, lanthanum).
  • Optimise dialysis: ensure adequate Kt/V or UF if symptoms are post-dialysis.
  • UVB phototherapy: available in dermatology clinics; effective for resistant pruritus.
  • Gabapentin or pregabalin: prescribed off-label for neuropathic itch; start low dose due to renal clearance.
  • Antihistamines: limited benefit for uraemic itch but may help if there is a histamine component or for sleep.
  • Topical capsaicin: evidence is mixed; discuss with dermatology.

When to contact your renal team

  • Itching that stops you sleeping.
  • New rash alongside itching (could be unrelated eczema, scabies, or drug reaction).
  • Itching that worsens rapidly despite skin care.
  • Associated fever, jaundice, or dark urine (could indicate liver or bile duct issue).
  • If you are on dialysis and itch is worst immediately after sessions — this may indicate inadequate clearance.
Phosphate and Kidney Disease
Related reading: Phosphate and Kidney Disease.

Key practical tips

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

  • Cook from scratch when you can
  • Read sodium labels (≤ 0.3 g per 100 g is low)
  • Take any concerns to your GP or renal team early

Clinical guidance

TL;DR summary

Itching in CKD is caused by toxin build-up and high phosphate. Moisturise daily, avoid hot showers, control phosphate, and ask your renal team about treatments like UVB therapy or gabapentin if it persists.

Key takeaways
  • Moisturise twice daily with fragrance-free emollient.
  • Avoid hot showers — use lukewarm water.
  • Control dietary phosphate and take binders as prescribed.
  • Cool compresses help during flare-ups.
  • Discuss UVB or gabapentin with your team if severe.
Kidney Diet & Nutrition Considerations

Diet is one of the most powerful tools you have to look after your kidneys. UK renal guidance points to a Mediterranean-style, reduced-salt pattern: plenty of vegetables, lower-potassium fruit, whole grains, sensible protein, beans and pulses in moderation, oily fish and olive oil. Personal targets — for potassium, phosphate, protein and fluid — should be set by your renal team based on your bloods.

Foods to prioritise

  • Vegetables, lower-potassium fruit and whole grains
  • Sensible portions of fish, eggs, chicken or tofu
  • Olive oil and unsalted nuts in small amounts

Foods to limit

  • Added salt and ultra-processed foods
  • Phosphate additives in processed meats and ready meals
  • Sugary and energy drinks

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

Why does CKD cause itching?

Uraemic pruritus is common in advanced CKD and dialysis. It is caused by a build-up of uraemic toxins, dry skin, high phosphate levels, and altered immune signalling. It is not an allergy.

How can I relieve itching with CKD?

Keep skin moisturised with fragrance-free emollients, avoid hot showers, use cool compresses, and ensure phosphate is well controlled. Some patients benefit from UVB light therapy or prescribed gabapentin.

Is itching a sign of worsening kidney function?

Itching often worsens as kidney function declines, particularly in stages 4–5 and on dialysis. New or severe itching should be discussed with your renal team to rule out other causes.

Can diet help with itching?

Yes — controlling dietary phosphate and avoiding high-phosphate processed foods can reduce itch severity. Good dialysis adequacy (if on dialysis) also helps clear toxins.

What foods are good for kidney health?

A Mediterranean-style, mostly plant-based, reduced-salt diet is the most consistent evidence-based pattern for kidney health. Build meals around vegetables, lower-potassium fruit, whole grains, fish, eggs or tofu, beans and pulses in moderation, and olive oil.

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 NICE NG203, KDIGO 2024 and BDA renal nutrition guidance.

Designed by a UK Consultant Nephrologist

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

Evidence-based by design

No added potassium or phosphate; sensible vitamin doses.

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.

  • No Added Potassium
  • No Added Magnesium
  • No Added Phosphorus
  • No Added Iron
  • One capsule daily
  • UK GMP — BRCGS, NSF GMP, Halal
Subscribe & Save — £20.39/monthCheck your current multivitamin

✓ 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.

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