Autoimmune Hepatitis Type 2

Autoimmune Hepatitis Type 2 (AIH-2) is a rare and chronic liver disease where your body's immune system mistakenly attacks its own liver cells. Normally, the immune system protects you from infections, but in AIH-2, it perceives your liver as a foreign threat, leading to ongoing inflammation and damage. This can impair the liver's ability to function properly, affecting essential processes like detoxification, digestion, and nutrient storage. It's important to understand that AIH-2 is not contagious and is different from viral hepatitis (like Hepatitis A, B, or C) or liver damage caused by alcohol or medications. The exact cause of AIH-2 is not fully understood, but it is believed to involve a combination of genetic predisposition and environmental factors, such as certain viral infections or exposure to specific drugs, that might trigger the immune system to turn against the liver. Unlike Type 1 Autoimmune Hepatitis, AIH-2 often affects children and young adults and is characterized by the presence of specific antibodies in the blood, such as anti-liver kidney microsomal type 1 (anti-LKM1) antibodies or anti-liver cytosol type 1 (anti-LC1) antibodies. Lab tests are crucial for diagnosing AIH-2 and monitoring its activity. Your recent lab results likely showed elevated liver enzymes (like ALT and AST), which indicate liver inflammation, and the presence of these specific autoantibodies. These tests help your doctor confirm the diagnosis, rule out other liver conditions, assess the severity of the disease, and guide treatment decisions. Regular follow-up lab tests will also be used to track your response to treatment and adjust medications to effectively manage the inflammation and prevent further liver damage, including progression to cirrhosis (scarring of the liver).