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Hepatitis B is chronic when the body can’t get rid of the hepatitis B virus. Chronic hepatitis B usually has no symptoms until signs of liver damage appear. Without treatment, chronic hepatitis B can cause scarring of the liver, called cirrhosis; liver cancer; and liver failure.
Chronic hepatitis B is treated with drugs that slow or stop the virus from damaging the liver. The length of treatment varies. Medications used in treatment of chronic hepatitis B include lamivudine, adefovir , tenofovir, telbivudine and entecavir, and the two immune system modulators interferon alpha-2a and PEGylated interferon alpha-2a.
You may consult with your doctor or a hepatologist who can decide the need for interferon therapy in your case. A drug combination therapy along with interferon might work for you.
With regard to travel to US, universities, usually need to know about your health status, with regard to medical insurance details. In some cases individuals with hepatitis B infection may be denied entry. Hence you will need to consult with the universities you plan to apply, much ahead, to know their policies.