Oud is used in nervous disorders, digestive, bronchial complaints, smallpox, rheumatism, illness during and after childbirth, spasms in the digestive and respiratory systems, fevers, abdominal pain, asthma, cancer, colic, diarrhea, nausea, regurgitation, weakness in the elderly, shortness of breath, chills, general pains and cirrhosis of the liver. It also acts as a director or focuser for other medicines. It has been used as a treatment for lung and stomach tumors.