What are the symptoms of fatty liver? Often, there are none. The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) describes fatty liver as usually silent, even when it progresses to cirrhosis. Fatigue or upper-right abdominal discomfort can occur, but neither confirms the diagnosis. People with diabetes should discuss liver-health assessment rather than wait for symptoms.
Key takeaways
- NIDDK and the CDC say fatty liver usually causes few or no symptoms; feeling well does not rule it out.
- Fatigue and upper-right discomfort are possible symptoms, not reliable early warning signs or ways to diagnose yourself.
- Yellowing skin or eyes, vomiting blood, black or bloody stools, confusion or unusual sleepiness, and a swelling abdomen need urgent attention.
- A clinician assesses liver risk using your history and appropriate testing, not a symptom checklist or a single normal liver-enzyme result.
What Are the Symptoms of Fatty Liver? The Quick Answer
Fatty liver usually has no symptoms, according to NIDDK and the CDC. Some people report fatigue or discomfort in the upper-right abdomen, but those symptoms do not identify the cause. More serious changes, including jaundice, bleeding, confusion, or abdominal swelling, can occur with advanced liver disease and need urgent assessment. The absence of symptoms is not a reason to skip a liver-health discussion with your diabetes care team.
Current terms include metabolic dysfunction-associated steatotic liver disease, or MASLD, and metabolic dysfunction-associated steatohepatitis, or MASH (formerly NAFLD and NASH). MASLD describes liver fat alongside cardiometabolic risk factors; MASH includes inflammation and liver-cell injury. These are clinical terms, not labels you can choose from how you feel.
The overview of diabetes and liver health explains the broader connection. Here, the focus is on what symptoms can and cannot tell you, when to get help, and what to bring to a visit.
Why Are Early Signs of Fatty Liver Disease Often Absent?
It is understandable to look for an early clue. Many people expect a health problem to announce itself with pain or a visible change. But NIDDK describes MASLD as a silent disease with few or no symptoms, and the CDC gives the same general message. There is no dependable list of early sensations that separates liver fat from inflammation or scarring.
That distinction matters: not noticing symptoms is different from having an assessment that addresses liver risk. You can feel well and still need a conversation about screening. Equally, feeling tired does not establish that you have MASLD. Neither experience supplies the missing clinical information.
Try not to use symptom severity as a substitute for disease severity. NIDDK notes that this condition can remain silent even when it progresses to cirrhosis. A person who feels energetic should not assume that scarring is impossible, and a person who feels exhausted should not assume that scarring is present.
The useful response is neither panic nor dismissal. Ask your clinician whether your diabetes history and other health factors make liver assessment appropriate. If a clinician has already diagnosed MASLD, ask what follow-up they recommend even while you feel well. Monitoring should follow that care plan, not depend on whether a symptom appears.
Does Fatty Liver Cause Pain or Fatigue?
Some people with fatty liver feel tired or have discomfort in the upper-right abdomen, according to NIDDK. The CDC also lists fatigue and upper-right belly pain among possible symptoms when symptoms are present. These descriptions support telling a clinician about the concern; they do not make pain or fatigue a diagnostic test.
If you are wondering whether a persistent ache is "liver pain," describe the sensation without assigning a cause. Tell the clinician where it is, when it started, whether it comes and goes, and whether it is worsening. Avoid using an online diagram or symptom list to decide which disease explains it.
Fatigue deserves the same approach. Saying "I have less energy and ordinary tasks are harder" gives the care team information without prematurely naming a condition. The article on fatigue in people with diabetes explores that concern more broadly. Having diabetes and fatigue together does not establish that either diabetes or MASLD explains the fatigue.
The CDC also includes loss of appetite and unexplained weight loss among possible symptoms. Bring those changes up rather than treating an unintended change in weight as automatic evidence of improved liver health. Our discussion of unexplained weight loss and diabetes can help frame that separate conversation.
You do not need to prove that a symptom belongs to the liver before seeking advice. Describe what is different from your usual experience and ask how soon you should be assessed. If urgent warning signs are present, use emergency care rather than waiting to collect a longer symptom record.
Which Changes Can Occur With Advanced Liver Disease?
NIDDK's page on cirrhosis describes later complications that can include yellowing of the skin and eyes, swelling in the abdomen and legs, confusion, and bleeding from enlarged veins. Yellowing is called jaundice, abdominal fluid-related swelling is called ascites, and liver-related confusion may be called hepatic encephalopathy. Knowing these names can help you understand a care-team conversation, but the names are not a way to diagnose yourself.
These changes should not be presented as a predictable sequence of fatty liver symptoms. Not everyone develops advanced disease, and symptoms do not show exactly when inflammation or scarring began. A visible change cannot tell you how much liver damage is present or whether MASLD is its cause.
In particular, do not wait for jaundice before discussing liver health. NIDDK's warning that disease can be silent means that advanced symptoms are not a suitable screening strategy. Conversely, do not dismiss a new change because earlier tests appeared reassuring.
If MASLD has already been diagnosed, ask the treating clinician which changes should prompt a call and which require emergency care. If you have not been diagnosed, do not use this list to label a new symptom as cirrhosis. The immediate priority is appropriate assessment, especially for the urgent signs below.
Which Warning Signs Need Emergency Care Right Away?
Seek emergency care right away or call 911 for yellowing skin or eyes, vomiting blood, black or bloody stools, confusion or unusual sleepiness, or a swelling abdomen. New or quickly worsening yellowing, new or suddenly worse abdominal swelling, and changes in alertness are particularly urgent. Do not wait for a routine diabetes appointment, a scheduled scan, or a response to a nonurgent message.
MedlinePlus's Cirrhosis guidance advises emergency help for new or suddenly worse abdominal swelling, confusion or changes in alertness, vomiting blood or rectal bleeding, and jaundice that is new or worsening quickly. NIDDK's Treatment for Cirrhosis page says people who vomit blood or have black or bloody stools should go to a hospital right away. Those sources support acting promptly rather than trying to identify the cause yourself.
The warning signs do not prove that fatty liver is responsible. Their urgency comes from the need for medical assessment, not from certainty about a particular diagnosis. You do not need a confirmed MASLD diagnosis, an abnormal liver blood test, or all of the listed signs to seek help.
When contacting emergency services, describe the current symptoms and any known diagnoses. If a medicine list is readily available, share it, but do not delay care to assemble paperwork. A symptom diary is useful for nonurgent visits; it is not a prerequisite for emergency help.
Why Discuss Liver Checks If You Have No Symptoms?
The American Diabetes Association's (ADA) Standards of Care in Diabetes—2026 recommend assessing adults with type 2 diabetes or prediabetes for the risk of MASH-related cirrhosis using a calculated FIB-4, even with normal liver enzymes. The guidance gives particular attention to people with obesity, other cardiometabolic risk factors, or established cardiovascular disease. It is risk-based assessment, not a test that requires someone to report pain first.
FIB-4 uses age and the results of AST, ALT, and platelet blood tests. Clinicians use it to help decide whether further assessment of scarring risk is needed. It does not explain why someone feels tired, and an online score cannot replace interpretation by the treating clinician.
NIDDK describes other parts of assessment, including elastography, which measures liver stiffness. Routine imaging can show fat but cannot show inflammation or fibrosis. This is why a report about fat, a normal enzyme result, and a person's symptoms answer different questions; none should be used alone to settle the whole picture.
The companion guide to liver checks in diabetes care explains testing and follow-up in more detail. Use it to prepare questions, not to decide which tests to order or interpret an individual's results.
How Can You Describe Symptoms and Prepare for a Visit?
For a nonurgent concern, write a short account in ordinary language. Start with what changed, when it began, and how it affects daily life. Include appetite or unintended weight changes and whether discomfort is getting worse. You do not need a polished medical explanation; observations are more useful than a self-diagnosis.
| Concern to discuss | Information to bring | Question for the care team |
|---|---|---|
| Persistent fatigue | When energy changed and which usual activities feel harder | What assessment could help explain this change? |
| Upper-right discomfort | Location, timing, and whether the sensation is changing | How soon should this be evaluated? |
| Appetite or unintended weight change | What changed and whether it was intentional | Does this need a separate evaluation? |
| No symptoms but a concern about liver risk | Diabetes history and available previous reports | Have we assessed liver scarring risk? |
| A previous diagnosis of MASLD | The care plan and questions about follow-up | Who coordinates monitoring and explains the results? |
This table is a discussion guide, not a self-diagnosis tool. Emergency warning signs should not wait for this preparation. The diabetes appointment preparation checklist can help organize records for a routine visit.
Bring a complete list of prescriptions, nonprescription medicines, and supplements. Herbal and dietary supplements, including products marketed for liver health, can themselves injure the liver, according to NIH LiverTox and NIDDK, and should be reviewed with a pharmacist or clinician. A reassuring label does not replace that review.
If liver disease is diagnosed, discuss an individualized care plan rather than trying to treat symptoms yourself. The ADA describes structured nutrition and physical activity support and, for some adults, medicines or metabolic surgery decided with an interprofessional team. For medicine questions, see GLP-1 medicines and fatty liver and ask your prescriber.
NIDDK advises gradual rather than rapid weight loss and notes that physical activity can be beneficial even without weight loss. Our guide to what can improve in fatty liver disease discusses that topic without promising a timeline. Feeling better alone cannot show that inflammation or scarring has improved.
The CDC advises limiting alcohol; discuss liver-health concerns with your clinician and see our guide to alcohol and diabetes.
Frequently Asked Questions
What are the symptoms of fatty liver?
Fatty liver usually has few or no symptoms, according to NIDDK and the CDC. Some people notice fatigue or discomfort in the upper-right abdomen. These symptoms cannot confirm fatty liver or show how much scarring is present. Ask your clinician about liver-risk assessment rather than relying on how you feel.
Are there reliable early signs of fatty liver disease?
No symptom list reliably identifies early fatty liver disease. NIDDK describes it as usually silent, sometimes even when it progresses to cirrhosis. Fatigue or discomfort may occur, but neither identifies the cause. A clinician considers health history and appropriate testing; waiting for a visible change is not a screening plan.
Does fatty liver cause pain?
NIDDK says some people have discomfort in the upper-right abdomen, and the CDC lists pain in that area among possible symptoms. That does not mean that an ache there is caused by fatty liver. Describe the location, timing, and changes to your clinician instead of using pain to diagnose yourself.
Does fatigue mean fatty liver is getting worse?
No. Fatigue does not establish that fatty liver is present or progressing. NIDDK lists tiredness as a possible symptom, but symptoms do not measure inflammation or scarring. Tell your clinician when your energy changed and how it affects daily life so they can decide what assessment is appropriate.
Can I have fatty liver with no symptoms and normal liver enzymes?
Yes. Feeling well and having normal liver enzymes do not rule out liver disease. The ADA's Standards of Care in Diabetes—2026 recommend liver scarring-risk assessment for adults with type 2 diabetes or prediabetes even with normal enzymes. Your clinician decides how the guidance applies and explains any testing or follow-up.
Which symptoms need emergency care?
Seek emergency care right away or call 911 for yellowing skin or eyes, vomiting blood, black or bloody stools, confusion or unusual sleepiness, or a swelling abdomen. MedlinePlus especially flags new or quickly worsening jaundice, swelling, and alertness changes; NIDDK advises immediate hospital care for vomiting blood or black or bloody stools.
Can supplements help me manage suspected fatty liver symptoms?
Do not use supplements to self-treat suspected liver symptoms. NIH LiverTox and NIDDK warn that herbal and dietary supplements, including products marketed for liver health, can themselves injure the liver. Bring a complete product list to a pharmacist or clinician for review, and have symptoms assessed rather than assuming their cause.
References
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). "Symptoms & Causes of NAFLD & NASH." Accessed October 2026.
- Centers for Disease Control and Prevention (CDC). "Type 2 Diabetes and Your Liver." Accessed October 2026.
- Rinella ME, et al. A multisociety Delphi consensus statement on new fatty liver disease nomenclature. Hepatology. 2023;78(6):1966–1986.
- NIDDK. "Symptoms & Causes of Cirrhosis." Accessed October 2026.
- MedlinePlus Medical Encyclopedia. "Cirrhosis." Accessed October 2026.
- NIDDK. "Treatment for Cirrhosis." Accessed October 2026.
- American Diabetes Association Professional Practice Committee. 4. Comprehensive Medical Evaluation and Assessment of Comorbidities: Standards of Care in Diabetes—2026. Diabetes Care. 2026;49(Suppl. 1):S61–S88. Accessed October 2026.
- NIDDK. "Diagnosis of NAFLD & NASH." Accessed October 2026.
- NIH LiverTox. "Herbal and Dietary Supplements." NCBI Bookshelf NBK548441. Accessed October 2026.
- NIDDK. "Treatment for NAFLD & NASH." Accessed October 2026.
Next Steps
Ask your diabetes care clinician whether liver-risk assessment belongs in your care plan, even if you feel well. For a nonurgent symptom, bring a short timeline, previous reports, and a complete medicine-and-supplement list. Agree on who will explain results and coordinate follow-up. For urgent warning signs, seek emergency care rather than waiting for testing or a routine appointment.
For adults with type 2 diabetes or prediabetes who want lifestyle education alongside clinical care, the Done With Diabetes™ program, a lifestyle changes for type 2 diabetes, offers ways to organize learning about daily habits such as meals, movement, sleep, and stress. It does not diagnose or treat liver disease, interpret lab results, change medicines, or substitute for your care team.