ERR] 134 
_- The sero-mucous discharge and the sneezing 
are-not the only immediate effects of errhines. 
When snuffed high up the nose, they stimulate, the 
excretory duct of the lachrymal sack, and not 
only cause a defluxion from it, but by continuous 
sympathy propagated to the gland itself from the 
duct thus excited, an increased secretion of tears 
is theresult. And this accounts for their abundant — 
gischarge in many cases of sneezing artificially 
excited ; and to this effect is also doubtless to be 
attributed, the benefit resulting to the affections of 
the eyes, from the application of sternutatories. 
thes resemblance of errhines to sialagogues no- 
+ om : t saree ee 8 
OF THE MEDICAL USE OF ERRHINES. — 
The employment of these remedies, is now 
nearly obsolete. Formerly they were much used 
in various affections, among which may be partic- 
ularly mentioned some varieties of gutta serena, 
as that described by Sauvages under the name of 
amaurosis plethorica. affecting sometimes, females 
Jabouring under retained or suppressed catamenia 
er pregnancy. Instances stated of the cure of 
gutta serena by these remedies, and the authorities 
on which they are related. They can be of no 
service when the paralysis of the optic nerve is 
owing to organic derangement or disease, as tumors. 
pressing upon it, &e. ‘Transitory amaurosis some- 
times exists in combination with head-aches arising” 
from deranged digestive function—it is said to have 
been cured by errhines. Deafness arising from — 
a peculiar affection of the eustachian tube, has — 
been relieved by errhines. They have been said to 
