Artemisia essential oil or wormwood essential oil is wild-crafted and widely used as a medicine. Its domestic use as medicine is more popular in Nepal. Oil is obtained through the distillation of leaves and young shoots. The leaves and flowering stems of Artemisia indica are anthelmintic, antiseptic, antispasmodic, emmenagogue, expectorant and stomachic. An infusion is used in the treatment of nervous and spasmodic affections, in asthma and in diseases of the brain. This infusion is also considered to be helpful in improving the appetite. The juice of the plant is used in Nepal to treat diarrhea, dysentery and abdominal pains. It is used as an eyewash where it is said to relieve the burning sensation in conjunctivitis. A paste of the plant is applied externally to treat wounds. The roots are antiseptic and are a tonic for the kidneys.
Artemisia Vulgaris L. is an aromatic and herbaceous perennial shrub that grows about 2.4 m tall with woody roots. Its leaves are alternate, lower leaves ovate in outline deeply pinnatisect with small stipule like lobes at the base, pubescent above and tomentose beneath, uppermost leaves smaller, 3-fid or entire, lanceolate. Flowers are sub-globose heads in sub-erect or horizontal panicled racemes. Fruit oblong-ellipsoid minute achene and flowering season is June-July.
Artemisia oil is stomachic, purgative, de-obstruent, antispasmodic, anthelmintic, insecticide, and prescribed in infusion and electuary in case of obstructed manse and hysteria. It cures asthma, itching, anorexia, gastritis, rheumatism, bronchitis, fever, headache, hemorrhage and diarrhea. Externally it is used in skin diseases and foul ulcers.