THE DYSENTERIES 27 



o"45 — o"6 gmi. is dissolved in 10 c.c. of sterile distilled water. 



075— o'9 M - 15 M ,, „ >, 



The median basilic vein is usually chosen. 



Intramuscularly. 



Inject into the buttocks 5 c.c. of a ^ per cent, solution of novocain. 



Leave the cannula in situ, and after a few minutes inject the neo- 

 salvarsan through it. For each o'i5 grm. use 3 c.c. of freshJN- distilled 

 water in making the solution. 



Doses are prepared in sealed tubes containing o'i5, 0*3, 0*45, o'6, 

 075 and o'9 grm. 



Add the contents of the sealed tube to a sterile saline solution 

 o'4 per cent, at room temperature. 



Well-boiled sterile tap water may be used. 



Inject immediately and aseptically at a temperature not above 

 680— 720 p. 



Sufficient should not be prepared for several patients at the same 

 time. Neosalvarsan must not be reheated. If any remains over it 

 should be thrown jvvay. 



Galyl has given excellent results in the writer's experience. Its low 

 toxicity, reduced price and equal efficacy compared with salvarsan are 

 points to be appreciated. 



Intravenous treatment always gives the best results. 



Give two injections eight days apart. 



Potassium iodides can be given in large doses, I'o — 2*0 grm. thrice 

 daily, omitted one w^eek in six. Continue the treatment for several 

 months after the disease has cleared up. 



Mercury is useless. 



16 c.c. of serum of yaw patients already treated with salvarsan has 

 efficient curative properties. Boiling does not reduce its power. 



The ulcers and crusts can be washed wath perchloride of mercury 

 to take awav the smell and to allav the itching. They may then be 

 dusted with iodoform. 



Protargol ointment 20 per cent, has been used for ulcerative lesions. 



THE DYSENTERIES. 



The dysenteries include a group of diseases manifesting abdominal 

 pain, tenesmus, small, frequent, blood-mucous stools, ultimate 

 emaciation, and pyrexia in the bacterial variety. 



HISTORY. 



3,000 B.C. Hindu records carry us back to this time when dysentery 

 was divided into acute and chronic varieties. 



