Oil of Wild Oregano is considered a “hot” essential oil. Oil of Wild oregano oil feels “spicy hot” when you swallow it (or when it touches any mucous membrane). The spicy hot feeling is normal and is a typical characteristic of the oil . The burning sensation will pass. It is important to remember however that not all oils are created for internal use. Solutions4Health Oil of Wild Oregano is already appropriately diluted with a carrier oil so that it can be used for both internal consumption and external use.