Apart from its culinary uses, galangal is extremely useful medically. Galangal oil has been commonly prescribed by homeopaths and herbalists for its medicinal uses. Consuming galangal regularly can aid the digestion process, and reduce constipation and vomiting. It has been found effective as a remedy for ulcers and inflammation of the stomach. Galangal has been known to improve blood circulation, especially in the hands and feet, thereby improving oxygen supply and nutrient supply to these parts. It can also aid respiratory problems like congestion and helps regulate breathing rate. The galangal herb is used extensively throughout the East as a snuff for nasal infections. A mixture of galangal and lime juice is used as a tonic for cough and cold. Additionally, galangal powder is used against bad breath as a mouth freshener.