Fatty Liver Symptoms – Early Signs, Causes & When You Should See a Doctor

Many people first hear about fatty liver disease from a scan report when they were not unwell at all. Others come in worried about tiredness or an ache on the right side of the abdomen and ask whether fatty liver is the reason. The honest answer is that fatty liver symptoms are usually absent or vague, so symptoms alone cannot tell you.

This guide explains the early signs of fatty liver, the symptoms that point to more advanced liver disease, the common causes, how doctors diagnose it and when to see a doctor.

Does Fatty Liver Cause Symptoms?

Usually not, at least in the early years. The liver has no pain nerves inside it, and it can carry extra fat for a long time without complaining. This is why fatty liver is often called a silent condition. It is usually picked up when an ultrasound is done for another reason or when a health checkup shows raised liver enzymes.

Early Fatty Liver Symptoms

When there are symptoms of fatty liver disease, they are mild and easy to put down to something else.

• Tiredness or low energy that does not go away with rest
• A dull ache or a feeling of fullness in the upper right side of the abdomen
• Bloating or feeling full quickly after meals
• A larger waistline, even without much weight gain elsewhere
• Dark, velvety patches of skin on the neck or in the armpits, which are a sign of insulin resistance and often go with fatty liver

None of these is specific to fatty liver. Acidity, gallstones and many other conditions cause similar complaints, which is why tests matter more than guessing.

Symptoms of Advanced Liver Disease

Some people with fatty liver develop inflammation and then scarring over many years. When the liver is badly scarred (cirrhosis), different symptoms can appear, and these need a doctor’s attention.

• Yellow eyes or skin (jaundice)
• Dark urine or pale stools
• Itching all over the body
• Swelling of the ankles, legs or belly
• Easy bruising or bleeding
• Confusion, unusual sleepiness or changes in sleep
• Weight loss and muscle wasting
• Vomiting blood or passing black stools

Fatty Liver Causes Behind These Symptoms

The causes of fatty liver are mostly about how the body handles energy and sugar. The common ones are extra weight with fat around the waist, type 2 diabetes or prediabetes, high triglycerides, low HDL cholesterol and high blood pressure. PCOS, an underactive thyroid, sleep apnoea, some medicines and alcohol can also add to it, and it can occur in people of normal weight.

Fatty Liver Symptoms vs Other Liver and Gallbladder Problems

Several conditions cause tiredness, discomfort in the upper right abdomen or raised liver enzymes. Tests help to tell them apart.

A person can have more than one of these at the same time, which is another reason to get a proper check.

Fatty Liver Diagnosis

Doctors usually combine several steps.

1. History and examination. The doctor asks about weight, waist size, blood pressure, diabetes, alcohol and medicines.
2. Blood tests. These include liver enzymes (ALT and AST), blood sugar, cholesterol and triglycerides, platelet count and tests for hepatitis B and C. Liver enzymes can be normal even in advanced disease (Rinella et al., 2023).
3. Ultrasound of the abdomen. This shows fat in the liver and is often how fatty liver is first found. The scan result is described in grades, which we explain in our guide to fatty liver grades.
4. FIB-4 score. This is worked out from age, AST, ALT and platelet count, and it estimates the chance of scarring. Guidance recommends it as the first step for people with fatty liver or its risk factors (Rinella et al., 2023).
5. Further tests if the risk is not low. A FibroScan measures liver stiffness. Sometimes additional imaging services like an MRI or even a liver biopsy may be needed.

Who Should Be Checked Even Without Symptoms

Since fatty liver is silent, doctors suggest checking people who are at higher risk. This includes people with type 2 diabetes, obesity or a large waist, high triglycerides, high blood pressure, PCOS or sleep apnoea, a family history of liver disease, or raised liver enzymes on a past report. If you are in one of these groups, ask your doctor about a liver check at your next visit or health checkup.

When to See a Doctor

See a doctor if you have a scan or blood report that mentions fatty liver or raised liver enzymes, if you have lasting tiredness or discomfort in the upper right abdomen, or if you are in a higher-risk group. A general physician is a good first step, and a gastroenterologist or hepatologist can take over when the scarring risk is raised.

Go to an emergency department straight away if you vomit blood, pass black stools, become confused or very drowsy, or have yellow eyes or skin together with fever or severe abdominal pain.

Once fatty liver is confirmed, food is the main part of treatment, for which adhering to the fatty liver diet is extremely important.

Fatty Liver Care at Cura Hospitals

The gastroenterology department at Cura Hospitals provides liver disease management, including fatty liver disease, with regular monitoring and personalised care plans. The hospitals are in Kammanahalli and on Kanakapura Road, Bengaluru.

This article is for general health education and is not a substitute for personal medical advice. Please speak to your treating doctor about your own symptoms and test results.

References

Dulai, P.S., Singh, S., Patel, J., Soni, M., Prokop, L.J., Younossi, Z., Sebastiani, G., Ekstedt, M., Hagstrom, H., Nasr, P., Stal, P., Wong, V.W.S., Kechagias, S., Hultcrantz, R. and Loomba, R. (2017) ‘Increased risk of mortality by fibrosis stage in nonalcoholic fatty liver disease: systematic review and meta-analysis’, Hepatology, 65(5), pp. 1557-1565.

Rinella, M.E., Neuschwander-Tetri, B.A., Siddiqui, M.S. et al. (2023) ‘AASLD practice guidance on the clinical assessment and management of nonalcoholic fatty liver disease’, Hepatology, 77(5), pp. 1797-1835.