Abnormal Liver Enzymes: Causes and Concerns - Gastroenterology and Hepatology

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Abnormal liver function tests?


Hello, doctor.
I have always had a high body weight.
In July of this year, I had a blood test that revealed abnormal liver enzyme levels (AST 69 / ALT 147 / GGT 155).
The doctor suspected that this might be related to the fact that I had chickenpox in June and took a considerable amount of antibiotics and pain relievers (Panadol and occasionally taking Eve for migraines).
I also have a habit of drinking alcohol, but I didn’t pay attention to whether it overlapped with the pain relievers.
Additionally, I started taking cholesterol medication in March, so I switched my cholesterol medication.
Since then, I have tried to avoid alcohol, consuming less than one can of beer a month, and I completely stopped taking Eve and avoided pain relievers (except for a few prescribed pain relievers during vaccinations and my menstrual period, totaling about 3-4 pills).
However, I continued taking the cholesterol medication.
In September, I had another blood test, and my liver enzyme levels increased again (AST 90 / ALT 210 / GGT I forgot).
What could be the possible reasons for this? Could it be fatty liver or a drug-related issue? (Currently, I am taking cholesterol medication and metformin for polycystic ovary syndrome.) My father has hepatitis B and liver fibrosis; could there be a genetic influence? Two years ago, I received an additional dose of the hepatitis B vaccine because my boyfriend is a carrier of hepatitis B, and at that time, my blood test showed no issues with hepatitis B or C.
I didn’t notice if my liver enzyme levels were already problematic back then.

T, 20~29 year old female. Ask Date: 2021/10/29

Dr. Chen Shidian reply Gastroenterology and Hepatology


Fatty liver disease, drug-induced/alcoholic hepatitis, and even autoimmune hepatitis are possible conditions that require diagnosis and treatment by a hepatologist.
Dietary changes, exercise, weight loss, and abstaining from alcohol are initial steps that can be taken independently.

Reply Date: 2021/10/29

More Info


Understanding abnormal liver enzymes is crucial for diagnosing and managing liver health. Elevated liver enzymes, such as AST (GOT), ALT (GPT), and GGT, can indicate liver inflammation or damage. In your case, the significant elevations in these enzymes (GOT: 90, GPT: 210) suggest that your liver is under stress, and it's essential to investigate the underlying causes.

Several factors could contribute to your elevated liver enzymes. Given your history of high weight, the possibility of non-alcoholic fatty liver disease (NAFLD) is significant. NAFLD is often associated with obesity, insulin resistance, and metabolic syndrome. It can lead to inflammation and liver damage, manifesting as elevated liver enzymes.
Additionally, you mentioned a history of taking multiple medications, including antibiotics and pain relievers, which can also impact liver function. Certain medications, especially when taken in combination or in high doses, can lead to drug-induced liver injury. It's crucial to consider the cumulative effect of these medications on your liver, especially if they were taken concurrently with alcohol consumption. While you have reduced your alcohol intake, even moderate drinking can exacerbate liver issues, particularly when combined with other liver stressors.

Your family history of hepatitis B and liver fibrosis is also a critical factor. While you have tested negative for hepatitis B and C in the past, the genetic predisposition to liver disease can play a role in your liver health. Chronic conditions like hepatitis B can lead to liver fibrosis and cirrhosis, which may increase the risk of liver-related complications in family members. It's essential to monitor your liver health regularly, especially given your father's history.

The fact that your liver enzymes have continued to rise despite changes in medication and lifestyle suggests that further evaluation is necessary. A liver ultrasound or imaging study may help assess for fatty liver or other structural changes. Additionally, a liver biopsy or non-invasive tests like FibroScan could provide insight into the degree of liver damage or fibrosis.

In terms of management, it is vital to adopt a comprehensive approach. This includes:
1. Lifestyle Modifications: Focus on weight loss through a balanced diet and regular exercise. Reducing body weight can significantly improve liver health and enzyme levels.

2. Medication Review: Consult your healthcare provider about all medications you are taking. It may be necessary to adjust or discontinue certain medications that could be contributing to liver enzyme elevation.

3. Regular Monitoring: Schedule regular follow-ups with your healthcare provider to monitor liver function tests and assess any changes in your condition.

4. Avoid Alcohol: Given your liver enzyme levels, it is advisable to avoid alcohol entirely to prevent further liver damage.

5. Screening for Viral Hepatitis: Although you have tested negative in the past, consider periodic screening for hepatitis B and C, especially given your family history.

6. Consult a Specialist: If liver enzymes remain elevated, consider consulting a hepatologist for specialized care and management.

In summary, elevated liver enzymes can result from various factors, including obesity, medication use, and family history of liver disease. A thorough evaluation and proactive management plan are essential to address these concerns and protect your liver health. Regular monitoring and lifestyle changes can significantly improve your liver function and overall well-being.

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