There are no known adverse effects from anise other than occasional allergic reactions of the skin with topical use and of the respiratory or gastrointestinal tract with internal use. It is frequently used to alleviate cough in children because of its gentleness and pleasant taste.²¹ The safety of using anise during pregnancy and breast-feeding is unknown, though it is very likely safe and has traditionally been used to support breast-feeding in some cultures.²²