429 
a impregnated with Camphire, employed to wafli the mouth, has 
** been frequently of fervice in relieving the difeafe. 
a However it may be with refpect to tooth-ach, we have no doubt 
that the antiphlogiftic nature of Camphire may be of ufe in curing- 
ophthalmia : and this gives a good ground for the many attempts 
that have been made to introduce Camphire into the medicines in- 
tended to be employed externally in the cure of ophthalmia. 
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" We have now mentioned many of the virtues of Camphire as 
u employed by itfelf, and muft now mention fome inftances of its 
cc peculiar utility when combined with other medicines. 
" When combined with draftic purgatives, it is laid to moderate 
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their acrimony, and thereby their violent operation, 
indeed perceived this, and perhaps never tried it in a prope 
manner ; but in the mean time, the refpectable authority of Mr 
Lafonne,* the father, fatisfies me that it is well founded. 
Another opinion that has been very general is, that CampI 
i* 
" has the power of correcting the acrimony of cantharides. I 
ppofition to this, we would not quote the fads given by D 
Heberden of two feveral inftances in which Camphire feemed to 
occafion ftrangury;* for I mull conclude thefe fads to have been 
very accidental occurrences, as I have employed Camphire fifty 
times, even in large dofes, without my ever obferving its having 
any effed upon the urinary paflages. Mr. Lafonne, the father, has 
d, as I have done frequently, that Camphire, thougl 
o 1 g 1Ven 
n 
very largely, never difcovers its fmell in the urine, whilit it fi. 
quently does it in the perfpiration and fweat. 
"It was formerly a frequent pradice in this country to anoint a 
bliftering plafter that was to be applied to the back, or other part, 
toith camphorated oil, and this with a view of preventing ftran 
gury from the cantharides. The pradice however has been lon 
fide, becaufe it was perceived that, in moil perfons, if the 
plafter was allowed to continue applied for above twelve hours, and 
hile at the fame time it was omitted to give the 
** nunnflfir ^f 
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quantity of drink, a ftrangury would come on riotwithftandine 
« Lafibne fen. in Hljl. de la Societe. Roy.de Medecine de Paris> vol. 5. *. 265. 
No. 3 
Med. Tranf. vol. i. p. 471 
5 R 
ii 
th 
