How do you cure a sick koi

Question

Eyes are sticking out

A bloated up body

Scales up

Some scales gray

Doesn't eat

Answer 1

i'm sorry to tell you but thats is the deadliest disease a fish can get , you have to kill it , there if no cure for it ,  

Answer 2

dropsy chances is very less it needs anti bacterial medicine.

kOi keeper & goldfish keeper

http://pets.groups.yahoo.com/group/world...

http://www.geocities.com/koiphilippines/...

Answer 3

i know it is hard

it has to be killed so it does not infect the others