Among all the types of hepatitis, which is the most severe form? is it possible that a patient with hepatitis b will also have hepa c?

Depends: There are many types of hepatitis and all forms of can be fatal but fortunately most patients recover quite well. With respect to hepatitis c most patients go on to develop chronic hepatitis with ongoing liver damage. Hepatitis b is more common in southeast asia with most patients not going on to chronic hepatitis. Both forms can exist in the same person. Alcohol should not be consumed

Hep B & C: Both of these viral infections cause devastating chronic liver disease that can lead to cirrhosis and liver cancer. Although possible to have both infections simultaneously, it is fairly uncommon.