Adathodai is a shrub found in most part of the tamil nadu. The plant is used extensively in the treatment of asthma, breathlessness, cough, bronchitis and tuberculosis, joint pain, lumber pain, sprains,eczema, malaria, rheumatism, swellings, as an anti–hyperglycemic, anti–diarrhoeal and anti–convulsant. Adathodai or adhatoda vasica is a well-known plant in ayurvedic, siddha and unani medicine. It has been used for the treatment of various diseases and disorders, particularly for the respiratory tract ailments.