Distilled wintergreen oil is mainly used to flavor things, but the Indians used this evergreen shrub for rheumatic conditions, internally and externally. It may have been used in diarrhoea and as an infant's carminative.
It has also been used to relieve inflammation. And a tea made from the leaves was used to treat kidney disorders. Poultices made from wintergreen is used to relieve arthritic aches and pains.