Can Fatty Liver Cause Eczema? Liver and Skin

Can fatty liver cause eczema? While no direct causal link has been established, emerging research suggests fatty liver disease and eczema may share common inflammatory pathways. Both conditions are associated with systemic inflammation, metabolic syndrome, and gut microbiome disruption, which may explain why they sometimes occur together. This article explores the relationship between liver health and skin conditions, what symptoms to look out for, and when to seek medical advice from your GP.

Is there a link between fatty liver disease and eczema?

There is no proven causal link between fatty liver disease and eczema, but both conditions share inflammatory pathways and metabolic risk factors such as obesity and insulin resistance that may cause them to co-occur.

There is no officially established causal link between fatty liver disease and eczema, though emerging research suggests the two conditions may share common inflammatory pathways. Fatty liver disease, known medically as hepatic steatosis, encompasses both alcohol-related fatty liver disease (ARLD) and metabolic dysfunction-associated steatotic liver disease (MASLD). MASLD was previously called non-alcoholic fatty liver disease (NAFLD), and UK clinical guidance, including NICE guideline NG49, still uses the NAFLD term; both terms refer to the same condition and you may encounter either in clinical settings. Eczema, or atopic dermatitis, is a chronic inflammatory skin condition driven by immune dysregulation and a disrupted skin barrier.

Both conditions are associated with systemic inflammation, and observational studies have noted a higher prevalence of atopic conditions, including eczema, in people with metabolic syndrome, which is itself a major risk factor for fatty liver disease.^[4][5] Shared drivers such as obesity, insulin resistance, and gut microbiome disruption may help explain why the two conditions sometimes appear together, rather than one directly causing the other.

It is important to note that the relationship is associative rather than proven to be causal. Researchers are still working to understand whether liver dysfunction contributes to skin inflammation, whether skin inflammation worsens liver disease, or whether both are downstream effects of the same underlying metabolic disturbance. Patients who have both conditions should discuss this with their GP, who can assess each condition individually and consider whether shared risk factors need to be addressed.

How does a fatty liver affect the skin?

A fatty liver can indirectly affect the skin by promoting systemic inflammation and, in advanced disease, impairing metabolism of fat-soluble vitamins and bile acids, though significant skin effects are more typical of advanced or cholestatic liver disease.

A fatty liver can affect the skin indirectly by impairing the liver's ability to metabolise and excrete endogenous and exogenous substances, regulate immune responses, and process nutrients that are essential for skin health. It is important to note that clinically meaningful impairment of these functions is typically seen in more advanced or cholestatic liver disease rather than in uncomplicated early fatty liver, where liver synthetic function is often preserved.

One key mechanism involves systemic inflammation. In more advanced fatty liver disease, particularly metabolic dysfunction-associated steatohepatitis (MASH), inflammatory cytokines circulate at elevated levels throughout the body. These cytokines may influence skin barrier function and immune activity, potentially lowering the threshold for inflammatory skin reactions, though the direct relevance to eczema in humans remains an area of ongoing research.

The liver is also responsible for metabolising fat-soluble vitamins, including vitamins A, D, E and K. Deficiencies in these vitamins are more commonly associated with cholestatic or advanced liver disease than with uncomplicated MASLD, but when they do occur they are associated with dry, itchy, or inflamed skin. Vitamin D in particular has a recognised role in skin immune regulation, and some studies have linked lower vitamin D levels to greater eczema severity, though the evidence is mixed and this should not be overstated.^[9][10]

Additionally, bile acid metabolism may be relevant. When bile flow is disrupted, bile salts can accumulate in the bloodstream and deposit in the skin, causing intense itching known as pruritus.^[13][14] This is more characteristic of cholestatic liver disease than of simple fatty liver, and the management of cholestatic itch differs from that of eczema-related itch. It illustrates, however, how closely liver function and skin health are connected.

What skin symptoms can liver problems cause?

Liver problems can cause pruritus, jaundice, spider naevi, palmar erythema, xanthomas, and dry or inflamed skin; these differ from typical eczema and require clinical assessment to identify the underlying cause.

Liver problems can cause a range of skin symptoms, some of which overlap with eczema and others that are more specific to liver disease. Recognising these symptoms can help distinguish between a primary skin condition and one that may have an underlying hepatic cause.

Common skin symptoms associated with liver disease include:

• Pruritus (itching): Persistent itching without a visible rash is one of the most common skin complaints in liver disease, particularly in cholestatic conditions. It results from the accumulation of bile salts and other substances in the skin. The management of this type of itch differs from that of eczema-related itch.

• Jaundice: Yellowing of the skin and whites of the eyes occurs when bilirubin builds up in the blood, indicating impaired liver function.

• Spider naevi: Small, spider-shaped blood vessels visible near the skin surface, typically on the chest, face or arms, are associated with chronic liver disease.

• Palmar erythema: Reddening of the palms, particularly at the thenar and hypothenar eminences, can be a sign of liver dysfunction.^[17]

• Xanthelasma and xanthomas: Fatty deposits under the skin, often around the eyes or on tendons, can occur in cholestatic liver disease or alongside lipid disorders such as familial hyperlipidaemia, and are not solely a consequence of liver disease.

• Dry, flaky or inflamed skin: These symptoms can resemble eczema and may be related to nutritional deficiencies secondary to advanced or cholestatic liver disease.

Eczema-like symptoms in someone with known liver disease should always be assessed by a clinician, as the cause may differ from typical atopic eczema and may require a different treatment approach.

Which conditions connect liver health and eczema together?

Metabolic syndrome, obesity, gut dysbiosis, and autoimmune liver conditions such as primary biliary cholangitis can affect both liver health and the skin, creating an apparent link between fatty liver disease and eczema.

Several underlying conditions can affect both liver health and the skin simultaneously, creating an apparent connection between fatty liver disease and eczema. Understanding these shared conditions is important for accurate diagnosis and effective management.

Metabolic syndrome is perhaps the most significant shared risk factor. This cluster of conditions, including central obesity, high blood pressure, raised blood glucose, and abnormal lipid levels, is strongly associated with both MASLD and chronic inflammatory skin conditions including eczema and psoriasis. Insulin resistance, a core feature of metabolic syndrome, promotes systemic inflammation that can affect multiple organ systems including the liver and skin.^[6]

Gut dysbiosis is another area of active research, though the evidence base is still evolving. An imbalanced gut microbiome has been implicated in both fatty liver disease (through the gut-liver axis) and atopic conditions such as eczema. Increased intestinal permeability may allow bacterial products to enter the bloodstream and trigger inflammatory responses in both the liver and the skin. These mechanisms are plausible and under investigation, but should not be taken as established fact.

Obesity independently increases the risk of both MASLD and atopic dermatitis. Adipose tissue produces pro-inflammatory cytokines that can worsen both conditions.

Primary biliary cholangitis (PBC) and other autoimmune liver conditions can cause significant skin symptoms including itching and, in some cases, inflammatory skin changes that may be mistaken for eczema. The NHS provides information on PBC and its skin manifestations.

Finally, certain medications used to treat liver conditions or their complications may themselves cause skin reactions. Anyone experiencing new or worsening skin symptoms while taking medication for liver disease should speak to their GP.

Can improving your liver health help clear up skin problems?

Lifestyle changes such as a Mediterranean diet, regular exercise, and weight management may reduce systemic inflammation and support skin health, though there is no guarantee that treating fatty liver will directly resolve eczema.

Improving liver health through lifestyle changes may help reduce systemic inflammation and, in some cases, alleviate skin symptoms, though there is no guarantee that treating fatty liver disease will directly resolve eczema. Individual responses will vary depending on the underlying cause of both conditions, and the evidence base for a direct benefit to skin is still developing.

NICE guideline NG49 (Non-alcoholic fatty liver disease: assessment and management) recommends lifestyle modification as the cornerstone of management, including:

• Weight loss: A reduction in body weight of 5 per cent or more can reduce liver fat (steatosis), while losses of around 7 to 10 per cent are associated with improvements in liver inflammation and, in some cases, fibrosis in people with MASLD. Individual targets should be agreed with a clinician.

• Dietary changes: A Mediterranean-style diet, low in refined carbohydrates and saturated fats and rich in vegetables, wholegrains, and healthy fats, is associated with improved liver health and reduced systemic inflammation.^[19][20]

• Physical activity: Regular aerobic and resistance exercise improves insulin sensitivity and reduces hepatic fat, independent of weight loss.^[22][23]

• Alcohol reduction: For those with ARLD, reducing or stopping alcohol consumption is the single most effective intervention.

• Managing comorbidities: Controlling blood glucose, blood pressure and cholesterol reduces the metabolic burden on the liver.

For skin health specifically, addressing nutritional deficiencies, staying well hydrated, and using appropriate emollients as recommended in NICE clinical knowledge summaries for atopic eczema remain important regardless of liver status. If skin symptoms persist despite lifestyle improvements, a dermatology referral may be appropriate. Bolt Pharmacy is a GPhC-registered UK online pharmacy offering online consultations, with prescriber review and pharmacist support, where clinically appropriate options may be discussed.

When should you see a GP about liver-related skin changes?

See your GP promptly if you develop jaundice, persistent unexplained itching, spider naevi, or eczema-like symptoms not responding to treatment, particularly if you have obesity, type 2 diabetes, or heavy alcohol use.

You should see a GP promptly if you develop skin changes that may suggest underlying liver disease, particularly if you have known risk factors such as obesity, type 2 diabetes, heavy alcohol use, or a family history of liver conditions. While many skin symptoms have straightforward explanations, some warrant timely investigation to rule out a hepatic cause.

Contact your GP if you notice any of the following:

• Persistent itching that has no obvious cause and does not respond to standard treatments

• Yellowing of the skin or eyes (jaundice), which requires prompt assessment

• New spider naevi appearing in clusters, or palmar erythema

• Unexplained fatigue, abdominal discomfort or swelling alongside skin changes

• Eczema-like symptoms that are not responding to usual treatments, particularly if you have metabolic risk factors

• Skin changes that appear alongside dark urine or pale stools, which may indicate bile flow problems

It is worth noting that persistent itch in the context of liver disease is often cholestatic in origin and does not respond well to antihistamines or emollients; management in this setting differs from eczema-related itch and should be guided by a clinician.^[25][26]

Your GP may arrange blood tests including liver function tests (LFTs), HbA1c, and fasting lipid levels. In line with NICE NG49, a fibrosis risk score such as the FIB-4 index or NAFLD fibrosis score may also be calculated, with an enhanced liver fibrosis (ELF) test used where further assessment is needed. An ultrasound of the abdomen is commonly used to assess for fatty liver. If liver disease is suspected or confirmed, referral to a hepatologist or gastroenterologist may follow.

For urgent symptoms such as sudden severe jaundice, confusion, or significant abdominal swelling, seek same-day assessment via NHS 111 or attend your nearest A&E if you feel seriously unwell. Suspected side effects from any medication affecting the liver or skin can be reported via the MHRA Yellow Card scheme at yellowcard.mhra.gov.uk.

Scientific References

1. Metabolic dysfunction-associated steatotic liver disease (MASLD): assessment and management (NG49).
2. Scope for guideline update (starting 2025) – NG49.
3. Non-alcoholic fatty liver disease (NAFLD).
4. Atopic dermatitis and the metabolic syndrome: a cross-sectional study.
5. Atopic Dermatitis and Comorbidities: Added Value of Comprehensive Dermatoepidemiology.
6. The Metabolic Revolution in Dermatology: Obesity, Insulin Resistance, and Ultra-Processed Diets as Drivers of Skin Inflammation.
7. Psoriasis beyond the skin: systemic inflammation as a bridge to metabolic and hepatic comorbidities.
8. [The significance of IL-19 in the liver: crosstalk among inflammation, metabolism, and fibrosis].
9. Vitamin D deficiency is associated with diagnosis and severity of childhood atopic dermatitis.
10. Vitamin D Supplementation for Treating Atopic Dermatitis in Children and Adults: A Systematic Review and Meta-Analysis.
11. Serum Vitamin D Level and Efficacy of Vitamin D Supplementation in Children with Atopic Dermatitis: A Systematic Review and Meta-analysis.
12. Effect of Vitamin D Serum Levels and Supplementation on Atopic Dermatitis: A Systematic Review and Meta-analysis.
13. Cholestatic Pruritus: A Review of Pathophysiology, Clinical Manifestations, and Therapeutic Landscape.
14. The Scientific Basis of Cholestatic Liver Disease and Its Symptom Complex.
15. Primary biliary cholangitis. Treatment options in 2025. A narrative review.
16. Symptoms – Primary biliary cholangitis (PBC).
17. Palmar erythema.
18. Using the ELF test, FIB-4 and NAFLD fibrosis score to assess liver fibrosis.
19. Dietary Interventions in Metabolic Dysfunction-Associated Steatotic Liver Disease: A Narrative Review of Evidence, Mechanisms, and Translational Challenges.
20. Exploring the Role of Extra Virgin Olive Oil (EVOO) in MASLD: Evidence from Human Consumption.
21. Adherence to a "MediterrAsian" diet is associated with weight loss-independent improvements in liver fat and lipid profile.
22. Structured Exercise Interventions and Hepatic-Metabolic Outcomes in Adults with MASLD: A Narrative Review of Randomized Controlled Trials.
23. Moderate-Intensity Aerobic vs Resistance Exercise and Dietary Modification in Patients With Nonalcoholic Fatty Liver Disease: A Randomized Clinical Trial.
24. Exercise Reduces Liver Lipids and Visceral Adiposity in Patients With Nonalcoholic Steatohepatitis in a Randomized Controlled Trial.
25. Cholestasis – Treatment summaries.
26. Pruritus in Dermatology: Part 2 – Diseases and Their Treatment.
27. Use of Butorphanol as Treatment for Cholestatic Itch.
28. Comparison of Sertraline with Rifampin in the treatment of Cholestatic Pruritus: A Randomized Clinical Trial.

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