Hello NASH(Non alcoholic steato-hepatitis) is a reversible condition.It is also called as called nonalcoholic fatty liver disease. It usually reverse with treatment of underlying cause.Untreated and severe NASH can lead to cirrhosis. NASH may be due to many causes like obesity,sedentary life,insulin resistance etc. There are no specific medicines for this condition. General measures like weight reduction,exercise,balanced diet,abstinence from alcohol are general principles which should be followed. Patient also need clinical correlation and complete liver function test.If liver enzymes are raised then patient may need medicines like ursodeoxycholic acid tablet etc. Get well soon. Take Care Dr.Indu Bhushan