Your liver is one of the hardest-working organs in your body, quietly performing hundreds of essential jobs every day. Yet liver disease often develops silently, with few symptoms until it is advanced. As a hepatologist, I believe understanding your liver — and the early warning signs of trouble — is one of the best things you can do for your long-term health. Here is what every patient should know about keeping their liver healthy.
What Your Liver Does
The liver is a remarkable, multitasking organ. Among its many roles, it filters toxins from your blood, produces bile to help digest fats, stores energy and vitamins, makes proteins essential for blood clotting, and helps regulate blood sugar and cholesterol. Because it is involved in so many processes, problems with the liver can affect your entire body.
Common Liver Conditions
- Fatty liver disease (NAFLD/NASH): The buildup of excess fat in the liver, now one of the most common liver conditions. Learn more in our complete fatty liver guide.
- Viral hepatitis: Inflammation caused by hepatitis A, B, or C. See our overview of hepatitis treatment.
- Alcohol-related liver disease: Damage from heavy or long-term alcohol use.
- Cirrhosis: Advanced scarring of the liver from any chronic liver disease.
Warning Signs Your Liver Needs Attention
Early liver disease is often silent, which is why screening matters. When symptoms do appear, they may include:
- Persistent fatigue and weakness
- Yellowing of the skin or eyes (jaundice)
- Pain or discomfort in the upper right abdomen
- Swelling in the legs, ankles, or abdomen
- Dark urine or pale stools
- Easy bruising or bleeding
- Nausea, loss of appetite, or unexplained weight loss
- Itchy skin
Jaundice, significant abdominal swelling, vomiting blood, or confusion are signs that require prompt medical attention.
Who Is at Higher Risk?
- People who are overweight or have type 2 diabetes or metabolic syndrome
- Those who drink alcohol heavily or regularly
- Anyone with a history of viral hepatitis or risk factors for it
- People with a family history of liver disease
- Those taking certain medications or supplements that can stress the liver
How Liver Health Is Tested
Checking liver health is often simple and noninvasive:
- Liver function tests (blood work): Measure enzymes and proteins that reflect how the liver is working. Note that these can be normal even when liver disease is present.
- Imaging: Ultrasound, CT, or MRI can reveal fat, scarring, or other changes.
- FibroScan: A quick, painless test that measures liver stiffness and fat content without a biopsy — an excellent tool for detecting and monitoring liver disease.
How to Protect Your Liver
- Maintain a healthy weight through a balanced diet and regular exercise — the single best way to prevent and reverse fatty liver disease.
- Limit alcohol and follow recommended guidelines, or avoid it if you have risk factors.
- Get vaccinated against hepatitis A and B if appropriate.
- Use medications wisely — take acetaminophen only as directed and tell your doctor about all supplements.
- Manage related conditions such as diabetes, high cholesterol, and high blood pressure.
- Stay current with screening if you have risk factors, so any problem is caught early.
When to See a Hepatologist
If you have abnormal liver tests, risk factors for liver disease, or any of the warning signs above, an evaluation can provide answers and peace of mind. Most liver conditions are highly treatable when caught early — and protecting your liver protects your whole body.
Expert Digestive Care in Mountainside, NJ
At GastroCares, board-certified gastroenterologist Dr. Amber Khan provides personalized evaluation and treatment for patients across Union County and New Jersey. Take the first step toward better digestive health today.