It is well known narcotic agent which initially has depressant effect on nervous system but later cause delirium. When used in medicinal doses it is effective in the treatment of insomnia and for relieving seizures. It acts as bronchodilator hence used in respiratory disorders to relieve breathlessness and bouts of coughing. It is also beneficial in the treatment of diarrhoea, dysentery due to its styptic action on large intestine. It has anti-spasmodic action hence used in abdominal pain. Due to styptic action it is used in pre-mature ejaculation. Its external application is used in piles and other ano-rectal conditions where it reduces pain.