Metadoxil 500mg Tablet is an antioxidant medicine used to treat alcoholic fatty liver. It works by protecting the liver from harmful chemical substances and also increases the alcohol elimination from blood and tissues. Metadoxil 500mg Tablet should be taken with or without food. The dose will depend on what you are being treated for and your body weight. This medicine needs to be taken regularly to get the most benefit and you may have to take it for several months or longer, so try to get into a routine. Keep using it as prescribed even if your symptoms disappear. The most common side effects are nausea, upset stomach, and diarrhea. Not everyone gets side effects. If you are worried about them, or they do not go away, let your doctor know. If you have problems with diarrhea your doctor may reduce the dose or stop the treatment. Drink enough water or fluids to stay hydrated in case of severe diarrhea. Before taking this medicine, you should tell your doctor if you are pregnant, planning pregnancy or breastfeeding. Using this medicine can reduce or increase the effect of some other medicines, so tell your doctor about all the other medicines you are taking.