That has nothing to do with your 大三阳. When you are chronic hbv, it is best not to take even real medicine. Remember that medicines have effect on the liver. If you have to take medicine, do it with a doctor's attention. Also, 牛黄解毒片 is not a medicine (when we talk about medicine, use the standard of FDA, not chinese FDA (SFDA)). As far as I know 牛黄解毒片does liver damage.