Iodide of Barium, or Hydriodate of Barytes. Bal. A compound of Iodine and Barium, proposed as an effectual remedy in Scrofula and Scrofulous Affections. Being a violent poison, it requires to be used with great caution. Dose, gr. 1/10, gradually increased to gr. j. (in solution), thrice daily. Externally, it may be used in the form of ointment (gr. iv. to Lard oz. j.).