Chronic Hepatitis A Blood Test

What is Chronic Hepatitis A Infection?

Chronic Hepatitis A infection is a rare prolonged form of hepatitis A virus infection that persists for 6-9 months instead of resolving within weeks. It is caused by an extended immune response to the hepatitis A virus (HAV), resulting in persistent viral activity or relapsing illness. The Hepatitis A IgM Antibody test is the most important test for diagnosis because it detects the antibodies that remain elevated during this unusual chronic form of the infection.

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What causes chronic hepatitis A infection?

Chronic hepatitis A infection is caused by an unusually prolonged immune response to the hepatitis A virus (HAV). While most people clear the acute hepatitis A infection within 2-3 months, some individuals experience persistent or relapsing viral activity that extends for 6-9 months. This extended course occurs when the body continues producing antibodies and inflammatory responses against the virus, preventing complete resolution of the infection.

What is the best test for chronic hepatitis A infection?

The Hepatitis A IgM Antibody test is the most important test for chronic hepatitis A infection because it specifically detects IgM antibodies that indicate active or recent hepatitis A virus infection. In typical acute cases, these antibodies disappear within a few months, but in chronic hepatitis A, they persist for 6-9 months or longer. This test is essential for distinguishing chronic hepatitis A from other liver conditions and monitoring whether the prolonged infection has finally resolved. Your healthcare provider may also order liver function tests to assess ongoing liver inflammation.

When should I get tested for chronic hepatitis A infection?

You should get tested if you were previously diagnosed with hepatitis A but your symptoms have lasted longer than 3 months, if you experience recurring episodes of fatigue and jaundice after initial improvement, or if your liver enzymes remain elevated for an extended period. Testing is also important if you continue to have abdominal pain, dark urine, or persistent nausea months after your initial hepatitis A diagnosis. Early detection helps your healthcare provider monitor the unusual prolonged course and ensure proper management.

What are the symptoms of chronic hepatitis A infection?
Chronic hepatitis A infection causes prolonged or relapsing symptoms including persistent fatigue, recurring jaundice (yellowing of skin and eyes), ongoing abdominal pain especially in the upper right area, and continued loss of appetite. You might also experience dark-colored urine, pale stools, low-grade fever that comes and goes, and general weakness that lasts for months. Unlike acute hepatitis A that improves steadily, chronic cases show a fluctuating pattern where symptoms may improve temporarily before returning.
Who is at risk for chronic hepatitis A infection?
Anyone who contracts hepatitis A can potentially develop the chronic form, though it remains rare. Individuals with pre-existing liver conditions, weakened immune systems, or older adults may face higher risk of prolonged illness. People who experienced severe initial hepatitis A symptoms or those with concurrent health conditions affecting immune function are more likely to have an extended course. The chronic form occurs unpredictably and does not follow the typical pattern of hepatitis A transmission through contaminated food, water, or close contact with infected individuals.
What happens if chronic hepatitis A infection is left untreated?
Untreated chronic hepatitis A infection can lead to prolonged liver inflammation lasting 6-9 months, causing extended periods of fatigue, jaundice, and reduced quality of life. The persistent inflammation can result in more severe liver enzyme elevations and prolonged inability to work or perform daily activities. Unlike hepatitis B or C, hepatitis A does not cause permanent liver damage or cirrhosis, and even chronic cases eventually resolve completely without causing long-term liver disease. However, monitoring through blood tests remains essential to track resolution and rule out other causes of prolonged liver inflammation.
Can chronic hepatitis A infection be diagnosed with a blood test?
Yes, chronic hepatitis A infection is diagnosed primarily through blood tests. The Hepatitis A IgM Antibody test detects antibodies that persist beyond the typical acute infection timeframe, indicating the chronic form. Blood tests also measure liver enzymes (ALT and AST) to assess ongoing liver inflammation and monitor the extent of liver involvement. Serial testing over several months helps healthcare providers track whether the infection is resolving or continuing its prolonged course, making blood work essential for both diagnosis and ongoing monitoring.
How is chronic hepatitis A infection treated?
Chronic hepatitis A infection is treated with supportive care focused on managing symptoms and allowing the immune system to eventually clear the virus. Treatment includes adequate rest, proper nutrition with a balanced diet, avoiding alcohol and medications that stress the liver, and staying well-hydrated. Your healthcare provider will monitor your liver function through regular blood tests every few weeks to track improvement. Unlike hepatitis B and C, there are no antiviral medications specifically for hepatitis A, as the infection ultimately resolves on its own even in chronic cases, typically within 6-9 months.
How can I prevent chronic hepatitis A infection?
You can prevent hepatitis A infection entirely through vaccination with the hepatitis A vaccine, which is highly effective and recommended for all children and high-risk adults. Practice good hygiene including thorough handwashing after using the bathroom and before preparing food, avoid consuming food or water in areas with poor sanitation, and be cautious about raw shellfish which can harbor the virus. If you have been exposed to hepatitis A, receiving immunoglobulin or the vaccine within two weeks can prevent infection. Once you have hepatitis A, there is no way to prevent the chronic form, but it remains rare and unpredictable.
What can I do at home for chronic hepatitis A infection?
At home, prioritize getting plenty of rest as fatigue is a major symptom, and listen to your body by avoiding strenuous activities during flare-ups. Eat small, frequent meals that are easy to digest, focusing on fruits, vegetables, whole grains, and lean proteins while avoiding fatty or fried foods that stress the liver. Stay well-hydrated with water and clear fluids, completely avoid alcohol and check with your doctor before taking any medications or supplements. Manage nausea with ginger tea or bland foods like crackers and toast, and create a support system since the prolonged illness can be emotionally challenging.
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Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you.

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If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.
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Hepatitis A IgM Antibody
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