Dragon is the dried body of Pheretima aspergillum (E. Perrier),Pheretima
vulgaris Chen, Pheretima guillelmi (Michaelsen)
,or Pheretima pectinifera Michaelsen ( Fam. Megascolecidae).
The former one species is known as ¡°Guang Dilong¡°,
and the latter three species are known as ¡±Hu
To remove heat, to arrest convuisions, to
remove obstruction from the collaterals, to relieve asthma,
and to cause diuresis.
High fever with impaired consciousness, convulsions;
arthralgia, numbness of the limbs, hemipiegia; cough and asthma
due to heat in the lung; edema and oliguria; hypertension.