HEMICRANIA. 
rheumatifm in the face and head, whichis often called the 
face ache. This complaint appears to commence fometimes 
inthe gums, fometimes in the mufcles of the face and neck, 
and fometimes in the integuments of the fide of the cranium, 
which is affected, It is attended with fome fwelling of the 
cheek or gums ; with extreme forenefs of thefe parts and of 
the fealp, fo that even the operation of a comb is fearcely 
tolerable upon the furface of the latter ; and with exquifite 
fenfibility to the impreffion of cold. Some febrile heat, in- 
creafed quicknefs of the pulfe, foulnefs of the tongue, thirit, 
and other fymptoms of pyrexia, accompany the diforder ; 
and the fleep is greatly dilturbed by the violence of the pain, 
which, as in other forms of rheumatifm, is generally moft 
fevere in the night. This appears to be the hemicrania 
odontalgica (fpec. -2.) of Sauvages. The pain, in fact, is 
Dr. Dover; and the conttipation, which in 
medi- 
"hen the febrile irritation the cinch 
cafcarilla, or other aromatic bitter fubitance, will contribute 
to accelerate the ati 
patient.. .~ HAS 
nother variety of hemicrania, which is much lefs a 
+ Thefe are principall Ir 5 in the projecting 
Portion of the forehead, above the inner angles of the eyes, 
lled the frontal finufes; and one in each c cor 
fion. of inflammation from the lining. membrane of the nofe 
to that of thefe cavities, as in coryza or catarrh, (the hemi- 
SA Pe psa Ed 38 in whi 
pita with a thick mucus ; 2dly. Fr 
blows or wounds upon the head near thefe cavities, 
it 
feat word hemicrania, through the 
inhich they bepome. ip 
em sestesnal Vineet ‘(fee vol. ¥, p- 3815) and which he will take the 
(the H. purulenta, fpee. 7 of the fame nofologift) ; and» 
3dly. From the prefence of infeéts or their Jarve in the cavi- 
ties, (H. abinfectis, fpec. 8.—and H. finis, {pecies 3.) of 
which there are many examples on record, 
t is well known that there are fome infeéts for which no 
other nidus appears to have been provided by nature, than 
the cavities and canals in the bodies of more perfect animals. 
Of thefe the e/frus is a common example s and of the 
{pecies enumerated by Linneus, three are hatched and nur- 
tured in the flomach and reétum of the horfe and cow, and 
in the frontal and. maxillary finufes of the horfe and fheep, 
The larve of thefe flies are called Bors, of which an i 2 
account has already been given under that head. In the | 
human fubjeét the zftrus has alfo been known to infinuate 
its eggs’; and one of the moft excruciating attacks of heads 
ache that has been recorded, originated in a w 
the prefence of two or tl 
- Patholog. 
rvee of t 
man. body, 
and occafionally have been difcharged from the nottrils, (See 
a paper by Dr. Bateman, in the Edin. Med. and Surg. 
Journal for 1811, with the references there mentioned. ) = 
by various caufes, 
eating, {peaking 
loud, &c. The eyes, efpecially that of the fide affected,. 
charge tears, particularly aphie 
e 
y difficult and ob- 
feure ; and, efpecially when the frontal finufes fuffer, the 
fufferings of 
be the 
it may appear at 
3 who: 
of bemicraine have forme 
Th 
dinburgh Medical 
% 
