Some sort of hepatic problems have been reported in patients with pre-existing liver disease. Use caution when treating patients with liver disease. Dosage should be properly followed and if u are experiencing digestive or renal problems, consult your doctor. Alcohol can increase the chances of a fatty liver and if u feel some type of pain and inflammation in your liver region, then consult your doctor.
There have been a few cases of liver failure possibly related to the use of mesalamine (the active ingredient in Asacol HD), but I haven't read anything about fatty liver as a side effect.
A fatty liver, it takes between 6 months and 2 years to fully reverse. Dr Sandra Cabot's article "Fatty Liver - What Is Fatty Liver And How To Reverse It?" goes into more detail on the 6 ways to reverse the condition: eat less carbohydrates; drink less alcohol; eat more vegetables, protein and the right fats; drink raw vegetable juices; take a good liver tonic containing milk thistle to support your liver function; take N Acetyl L Cysteine (NAC) to support production of glutathione in the liver.
As far as I am aware yes, because diagnosis can be alcoholic fatty liver or non alcoholic fatty liver