28 RHUS RADICANS. 
applications, in the form of ice or cold water, are 
strongly recommended by Dr. Horsefield in his 
treatise, and when persevered in, they appear to 
exert a remarkably beneficial effect. ‘The acetate 
of lead is perhaps as useful as any external 
palliative, and it should be used in solution rather 
than in the ointment, that it may be applied as 
cold as possible. The late Dr.. Barton speaks 
highly of a solution of corrosive sublimate exter- 
nally applied in this disease, but from trials of 
the two remedies made at the same time and. 
in the same patient, I have found the lead the 
more beneficial of the two. - 
_ A person who has been in contact with: sha 
Rhus and finds himself poisoned, should imme- 
diately examine his hands, clothes, &c. to see if 
there are no. spots of the juice adhering to him. 
These, if present, should be removed, as they will 
otherwise serve to keep up and extend the dis- 
order. From a want of this precaution, the 
disease is frequently transferred from the hands. 
to different parts of the body, and likewise kept 
up for a longer time than if the cause had been 
early removed. As washing does not eradicate 
the stains of this very adhesive juice, it is best to 
rub them off with some absorbent powder. 
