Obesity and liver disease: what you should know

The liver processes nutrients and helps regulate blood sugar and fats. With obesity, insulin resistance and altered fat handling can encourage fat to collect inside liver cells. This is commonly called fatty liver disease or metabolic dysfunction-associated steatotic liver disease. Fat alone may cause no symptoms, but inflammation can injure liver tissue. Healing may leave fibrosis, or scar tissue; more advanced scarring is called cirrhosis and can interfere with the liver’s work.

Many people do not feel a liver problem in its early stages. Some notice tiredness or a dull discomfort under the right ribs, although these symptoms have other possible causes. Blood tests, an examination, ultrasound or another scan may help assess the liver. A clinician may also check blood pressure, blood sugar and cholesterol because these conditions commonly travel together.

Arrange a primary-care review if you have obesity, abnormal liver tests, diabetes or another metabolic condition. Ask which tests are appropriate and whether medicines, alcohol, supplements or herbal products could be affecting your liver. Do not stop a prescribed medicine without advice.

Liver health usually benefits from a steady pattern of nourishing meals, regular movement that suits your fitness, good sleep and avoiding or limiting alcohol. If weight reduction is appropriate for you, a clinician or dietitian can help set a gradual plan that protects muscle and fits your health needs. Treating related problems such as prediabetes, type 2 diabetes, hypertension and obstructive sleep apnoea can also reduce metabolic strain.

Seek urgent medical help for yellowing of the eyes or skin, very dark urine, unusually pale stools, a rapidly swollen abdomen, vomiting blood, black stools, new confusion, fainting or severe abdominal pain. These signs can indicate serious liver or abdominal illness and should not be attributed to obesity alone.

Make a routine appointment if fatigue persists, you have ongoing discomfort beneath the right ribs, or previous tests showed raised liver enzymes. Prompt assessment can identify reversible contributors and establish whether monitoring is needed.

You could ask: Could my symptoms or test results be related to fatty liver disease? Which blood tests or scans would clarify this? Do I need assessment for fibrosis? What weight, food, activity or alcohol goals are safe with my medical history? Could any of my medicines or supplements affect the liver? How will we monitor changes?