Acogut 300 ER Tablet is used in the treatment of functional dyspepsia (indigestion). Functional dyspepsia (FD) arises when your upper digestive tract demonstrates symptoms of pain, upset, or early or extended fullness for a month or longer. This situation can be chronic and can change the quality of life. There are some ways to decrease discomfort caused by functional dyspepsia, including medications, lifestyle changes, and therapy.