Liver supporting herbs often help with ascites. These include turmeric, milk thistle seed, phyllanthus amuri, and bupleurum. Bitters will also help the liver to function better. You can buy digestive bitter in health food stores. They must hit the tongue to work, so get the liquid bitters, not capsules. Recommended dose is 1/2 dropper full on the tongue 1 to 3 times daily. She needs to drink a lot of water throughout the day when using bitters.