17679 Elevated Liver Enzymes

Overview

Elevated liver enzymes means a blood test found higher-than-usual levels of certain enzymes (proteins that help the liver do its work) or other liver-related markers. It is a sign, not a diagnosis. It often means liver cells are irritated or inflamed, but it can also happen for reasons outside the liver, and many cases are mild and temporary.

Yes. Mildly elevated liver enzymes are a common reason for a follow-up blood test. They are often found by chance during a routine health check.

Symptoms

Common symptoms

• Often no symptoms at all
• Feeling more tired than usual
• Mild discomfort or aching in the upper right side of the abdomen
• Feeling sick or off your food
• Yellowing of the skin or whites of the eyes (jaundice) — this needs urgent medical advice
• Dark urine or pale, chalky stools — this needs urgent medical advice
• Itchy skin

Symptoms in children

• Many children have no symptoms and are found on a routine blood test
• Tiredness, poor appetite or tummy pain
• Yellowing of the skin or eyes, especially in a newborn or young child — seek urgent advice
• Poor feeding or unusual sleepiness in a baby — seek urgent advice

Symptoms in older adults

• Often no symptoms, or tiredness that is put down to age
• Poor appetite, weight loss or general weakness
• Confusion or drowsiness can be a sign of serious liver problems — seek emergency help
• More chance of medicine-related liver effects, so a medicine review is helpful

Causes

Main causes

• Fatty liver linked to weight, type 2 diabetes or high cholesterol
• Alcohol use, especially regular heavy drinking
• Viral hepatitis B or C
• Medicines, herbal remedies or supplements that can affect the liver
• Autoimmune liver conditions, where the body's immune system attacks liver cells
• Inherited conditions that affect how the body stores iron or copper
• Gallstones or other bile duct problems
• Other illnesses or temporary stresses, such as a severe infection or muscle injury

Risk factors

• Extra weight around the waist or obesity
• Type 2 diabetes or insulin resistance
• High cholesterol or high triglycerides
• Regular heavy alcohol use
• Family history of liver disease
• Viral hepatitis infection
• Taking medicines or supplements that can affect the liver
• Pregnancy (some liver test changes are normal, but they need checking)

When to see a doctor

See a doctor urgently if:

• You notice new yellowing of your skin or eyes
• Your urine is dark or your stools are pale
• You have fever with pain in the upper right abdomen
• You have unusual bruising or bleeding
• You feel very drowsy, confused or unusually weak

Book a routine appointment if:

• A blood test showed elevated liver enzymes, even if you feel well
• You have ongoing tiredness or tummy discomfort
• You have risk factors such as fatty liver, diabetes or heavy alcohol use
• You are taking a medicine or supplement and are worried about your liver
• You have a family history of liver disease

Diagnosis

Your doctor will start by asking about your health, alcohol use, medicines and supplements, and family history. They may repeat the blood test to see if the result stays high. Further tests depend on your age, symptoms and risk factors.

Tests that may be done

• Repeat liver blood tests
• Blood tests for viral hepatitis B and C
• Blood tests for other causes, such as thyroid problems or coeliac disease (a gut condition triggered by gluten)
• Tests for iron or copper storage conditions
• An ultrasound scan of the liver and bile ducts
• A medicine and supplement review
• A painless scan that measures how stiff the liver is (transient elastography) if scarring is a concern
• A liver biopsy in a small number of cases, where a tiny sample of liver is checked

What to expect at your appointment

You may not need every test. It can take a few weeks to find the cause. Often the first step is simply a repeat blood test, and many results return to normal.

Treatment

Treatment depends on the cause. The aim is to protect the liver and treat anything that is making it work harder. For many people, this means lifestyle changes, reviewing medicines and monitoring.

Self-care at home

• Avoid alcohol while your doctor is checking your liver
• Aim for a healthy weight if you are carrying extra weight, with gradual changes rather than crash diets
• Eat a balanced diet with plenty of vegetables, fruit, beans and whole grains
• Be active in a way you enjoy, building up slowly
• Check with your doctor or pharmacist before taking any new medicine, herbal remedy or supplement
• Do not stop a prescribed medicine on your own — ask your doctor or pharmacist first
• Keep your follow-up blood tests and appointments

Medical treatments

There is no single treatment for elevated liver enzymes. Your doctor will treat the underlying cause. This may include support to lose weight, help to reduce alcohol use, reviewing medicines, or specialist care for viral hepatitis, autoimmune liver disease or inherited conditions. Some liver conditions need specific medicines prescribed by a specialist. You will usually have repeat blood tests to check progress.

When is surgery considered?

Surgery is not needed for most people with elevated liver enzymes. It may be considered if gallstones or a blocked bile duct are causing the problem, or if there are complications. Your doctor will explain if this applies to you.

Living with this condition

Most people can carry on with normal life while tests are done. The key is to keep appointments, avoid alcohol until you are told it is safe, and make steady healthy choices. Ask your doctor what your results mean for you.

Lifestyle tips

• Keep alcohol to a minimum or avoid it if your doctor advises
• Move more and sit less, choosing activities you enjoy
• Get enough sleep and manage stress
• Stay at a healthy weight
• Do not smoke, and get help to stop if you do
• Tell your doctor or pharmacist about all medicines, vitamins and herbal products you use

Diet and exercise

A Mediterranean-style eating pattern — vegetables, fruit, beans, whole grains, nuts, fish and olive oil — is a healthy choice for your liver. Aim for regular movement most days, such as walking, swimming or cycling. Start where you are and build up slowly. Very low-calorie or restrictive diets are not usually recommended without medical advice.

Mental health and emotional wellbeing

It is normal to feel worried when a blood test is abnormal. Most mild changes are not serious, but waiting for results can still be stressful. Talk to your doctor about your concerns. If worry is affecting your sleep, work or daily life, or if you have thoughts of harming yourself, contact a crisis support service or your local emergency number.

Prevention

Many causes of elevated liver enzymes can be prevented or improved. Not all causes are avoidable, but healthy habits and regular check-ups can lower your risk.

Vaccines

Vaccination against hepatitis B is recommended for some people, including some babies, travel groups and people at higher risk. Ask your doctor whether it is right for you.

Screening programmes

There is no routine screening for all liver problems. If you have risk factors such as type 2 diabetes, obesity or a family history of liver disease, ask your doctor whether you need liver blood tests or a liver scan.

Complications

If left untreated

• If a liver condition is left unchecked, it can sometimes lead to scarring of the liver (fibrosis)
• Severe scarring can become cirrhosis, where the liver works less well
• Liver disease can raise the risk of liver cancer in some people
• Advanced liver problems can cause fluid buildup, confusion or bleeding
• But most people with mildly elevated liver enzymes do not develop these problems

Long-term outlook

The outlook is usually good, especially when the cause is found and managed early. Many people's liver tests return to normal. Your doctor will help you understand what your results mean and what follow-up you need.

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