High serum ALT levels are a key indicator of liver health and may signal underlying conditions that require medical attention. ALT is an enzyme that helps with amino acid metabolism and is primarily found in the liver. When liver cells are damaged, ALT is released into the bloodstream, increasing its levels.
Potential Causes of Elevated ALT Levels:
- Liver Diseases:
- Hepatitis (viral or autoimmune): Causes liver inflammation, raising ALT levels.
- Fatty Liver Disease: Both alcoholic and non-alcoholic fatty liver can elevate ALT.
- Cirrhosis: Long-term liver damage, often from alcohol or chronic hepatitis.
- Medications:
- Certain medications, like statins or antibiotics, may cause liver enzyme elevation as a side effect.
- Muscle Damage:
- Although ALT is liver-specific, severe muscle injury can also cause an increase in ALT levels.
Health Implications:
- Liver Inflammation or Damage: High ALT levels suggest liver stress, which may lead to fibrosis, cirrhosis, or even liver failure if left untreated.
- Chronic Liver Disease: Continuous high ALT may indicate long-term liver conditions requiring lifestyle changes or medication.
Treatment Options:
- Lifestyle Changes: For fatty liver disease or alcohol-related conditions, reducing alcohol intake, improving diet, and increasing physical activity are essential.
- Medications: For conditions like hepatitis, antiviral or immunosuppressive medications may be required.
- Monitoring: Regular follow-ups to track ALT levels can guide treatment.
Recommended Tests:
- Gamma-Glutamyl Transferase (GGT) Test
This test is often paired with ALT testing to assess liver function and differentiate between liver and bile duct diseases.
Gamma-Glutamyl Transferase (GGT) Test - Hepatitis Panel
Since hepatitis is a common cause of elevated ALT, testing for hepatitis viruses (A, B, and C) can help pinpoint the exact cause.
Hepatitis A IgM Antibodies Test