S82 HALOIDS OR HALOGENS 



The doses are the same as for potassium iodide. 

 Uses. This salt is more irritant to the stomach than potassium 

 iodide, otherwise its actions and uses are identical. 



STRONTH lODIDUM — STRONTIUM IODIDE 



Occurs as colorless or faintly yellow hexagonal plates, deliques- 

 cent, bitter taste, and soluble in 0.5 part of water. 



Uses. This drug is less active than the potassium salt and also 

 less liable to produce iodism. 



PLUMBI lODIDUM — LEAD IODIDE 



This iodide really belongs with the lead salts since it is- never 

 used internally for the iodide effect. It occurs Jis a heavy, bright 

 yellow powder, odorless, tasteless, permanent in the air and almost 

 insoluble in water. 



Preparation. 



Unguentwm Flumhi lodidi. 



Action and Uses. This drug is rarely used internally. Ex- 

 ternally applied as an ointment, it is very serviceable as a resolvent 

 application for nonsuppurative adenitis. It should be applied thor- 

 oughly and rubbed in well with gentle friction. 



SULPHURIS lODIDUM — SULPHUR IODIDE 



This is made by fusing sulphur and iodine. It is used externally 

 in ointment or liniment in parasitic skin diseases. 



AOIDUM HYDRIODICUM — HYDRIODIC ACID 



This acid is official as acidum hydriodicum dilutum, which con- 

 tains 10 per cent, by weight of the absolute acid, also as Syrupus 

 Acidi Hydriodici, which contains 1 per cent, of the acid. These 

 agents are both feeble in action but resemble those of the iodides. 



* lODIPIN (IODIZED SESAME OIL) 



■ This is an iodine addition product of sesame oil. It occurs as 

 a thick, yellow to brovsmish black oil. It is proprietary and is 

 marketed in two strengths, iodopin, 10 per cent, and iodipin 25 per 

 cent. Iodipin, veterinary, is a similar but cheaper preparation. 



Action and Uses. It acts in the system similarly to the iodides. 

 It is not decomposed in the stomach but is broken up slowly in the 

 intestines. Its action is claimed to be more lasting than the iodides 

 * Unofficial. 



