Fatty liver disease, also known as hepatic steatosis or metabolic dysfunction-associated steatotic liver disease (MASLD), is a condition where excess fat builds up in the liver. While a small amount of fat in the liver is normal, problems can arise when fat reaches 5% or more of the liver's overall weight. It's a growing health concern, affecting an estimated 30.2% of the world's population. Identifying the warning signs early is crucial because, if left unchecked, it can lead to inflammation, scarring, and even liver failure. Here are seven red flags of fatty liver disease that you should never ignore:
Persistent Fatigue and Weakness: Overwhelming tiredness is a hallmark symptom of fatty liver disease. It's not just the typical tiredness; it's an overpowering fatigue that can interfere with daily life. This is thought to be linked to metabolic dysfunction in the liver and poor sleep regulation.
Abdominal Discomfort: A common symptom is discomfort in the upper right abdomen, where the liver is located. This may manifest as a dull ache, a feeling of fullness, or pressure. The discomfort can worsen after meals or when lying down. This sensation results from the liver becoming enlarged or inflamed due to fat buildup.
Loss of Appetite: A decrease in appetite, particularly in the evening, can signify fatty liver disease. Individuals may find they have less interest in food, especially during dinner, which could eventually lead to weight loss and nutritional problems. Nausea and vomiting can also occur.
Unexplained Weight Loss or Gain: Unexplained weight loss can be an early indicator of fatty liver disease. The liver's involvement in various metabolic processes, including the regulation of body weight, can be disrupted, leading to unintended weight loss. Some individuals might experience unexplained weight gain.
Changes in Stool Color: Your stool can reveal a lot about your liver's health. Pale, grayish, or tarry stools can indicate a problem. The liver makes bile, which gives stool its brown color. If bile production is down, a common occurrence in fatty liver disease, your body won't break down fats properly, and your stool color changes.
Jaundice: In more advanced stages of fatty liver disease, jaundice can develop. This condition causes the skin and the whites of the eyes to turn yellow due to elevated levels of bilirubin, a waste product from red blood cells. Jaundice is a serious sign and should be checked by a doctor immediately.
Swelling in the Abdomen and Legs: Fluid retention due to liver dysfunction can lead to swelling in the legs and feet, causing discomfort and affecting sleep quality. A damaged liver can't manage fluid balance well, especially when scar tissue from fatty liver slows blood flow. This can result in fluid pooling where it shouldn't. Swelling in the abdomen, known as ascites, can also occur.
It's important to note that fatty liver disease often has no symptoms, especially in the early stages. Detection of the disease is frequently an incidental finding on routine blood tests. Some people may experience fatigue, weakness, or abdominal pain. If you experience any of these red flags, especially if you have risk factors such as obesity, type 2 diabetes, high cholesterol, or insulin resistance, consult your doctor. Early diagnosis and lifestyle changes can often reverse the condition and prevent serious liver damage.