Anise with other herbs called star anise or fennel. These are sometimes called anise. Anise is used for upset stomach, intestinal gas, runny nose, and as an expectorant to increase productive cough. It is also used to increase urination and to stimulate the appetite.It is well known as a carminative and an expectorant. Its ability to decrease bloating and settle the digestive tract still is used today, especially in pediatrics. In high doses, it is used as an antispasmodic and an antiseptic and for the treatment of cough, asthma, and bronchitis.