RESTOKATIVE AGENTS. 47 



Treatment of Arsenical Poisoning. — The best an- 

 tidote is the freshly-prepared hydrated oxide of iron* 

 in the proportion of eight parts for every one part of 

 the poison. When practicable, emetics or stomach- 

 pump; cathartics may also be given; oil, milk, mu- 

 cilaginous drinks, to protect the mucous membranes. 

 Further treatment must necessarily be symptomatic. 



Therapeutics. — As a gastric tonic in dyspepsia 

 and gastralgia. In chronic catarrhal diarrhoea, when 

 partly digested food is passed. Chronic bronchial 

 and pulmonary affections. As an alterative in the 

 early stages of tuberculosis and farcy. In rheuma- 

 tism, chorea, epilepsy, chronic eczema, scab, and 

 mange. In periodic fevers, combined with quinine ; 

 in weak heart with stocking of legs, give with iron 

 and nux vomica or str5^chnine. Also in chronic 

 scaly skin diseases. Externally to eradicate warts, 

 slough out fistulse and tumors. As a sheep dip — ar- 

 senic 2i pounds, sodium carbonate 3 pounds, soft soap 

 and sulphur, of each 5 pounds, water 100 gallons. 

 Use with care ! 



Bitter Tonics. 



The chief members of this group are Gentian and 

 Cinchona. 



Gentiana — gentian, the dried root of Gentiana 



* To prepare hydrated oxide of iron. — To a solution of sul- 

 phate or chloride of iron add water of ammonia till a precipi- 

 tate is no longer formed ; collect this precipitate on a cloth 

 and wash till ammonia is removed ; mix with water and give 

 at once. 



