High liver function transaminases may be contagious and have to be analyzed specifically. There are many reasons for elevated liver function transaminases, if the transaminases are high, the more common causes may be chronic hepatitis B and chronic hepatitis C, which are contagious and spread mainly through blood and body fluids. Of course, hepatitis A and E can also cause elevated transaminases, but if the acute stage of infection is significantly elevated, these can also be contagious, and hepatitis A and E are infectious diseases that are transmitted through the fecal-oral route. The causes of elevated transaminases also include medications, many medications can cause elevated transaminases, such as anti-tumor drugs, anti-tuberculosis drugs, anti-epileptic drugs, menstruation of some herbs. Other causes such as alcohol, obesity and other reasons can cause fatty liver or hepatitis, can also cause high transaminases, but drugs, alcohol, fatty liver and other causes of transaminase elevation is not contagious.