UNGUENT. 



This ointment it ftimulant and detergent. When moderately- 

 diluted with lard, it is a local remedy of great efficacy in 

 herpetic eruptions, tinea capitis, and other cutaneous erup- 

 tions. The weaker ointment may alnioft be regarded as a 

 fpecific in pforophthalmia, in the purulent ophthalmia of in- 

 fants producing eftropium, and in ulcerations of the tarfi. 

 It is applied by taking a little on the finger, liquefying it 

 by the fire or the flame of a candle, and applying it along 

 the inner part of the eye-lids. 



U. hydrargyri nitrico-oxidi is obtained by melting together 

 two ounces of white wax and fix ounces of prepared lard, 

 then adding to the mixture an ounce of the nitric oxyd of 

 mercury in very fine powder, and mixing. 



I/, oxidi hydrargyri ruiri, ointment of red oxyd of mer- 

 cury of Edinb. Ph., is compounded of one part of red 

 oxyd of mercury by nitric acid, and eight parts of hog's- 

 lard. 



U. fulnitratii hydrargyri confiUs of half a pound of 

 white wax and half an ounce of fubnitrate of mercury, 

 which are formed into an ointment. Thefe are excellent 

 ftimulant ointments, well adapted for giving energy to in- 

 dolent foul ulcers. They are alfo very beneficial in inflam- 

 mation of the conjunftiva, with a thickening of the inner 

 membrane of the palpebrae : and to fpecks of the cornea. 

 They Ihould be applied in the fame manner as the ointment 

 of nitrate of mercury. 



U. hydrargyri prxcipitati alii of Lond. Ph. is formed by 

 adding a drachm of white precipitate of mercury to an 

 ounce and a half of prepared lard, previoufly melted by a 

 gentle heat, and mixing. 



U. fuhmuriatis hydrargyri ammoniaii of Dub. Ph. is ob- 

 tained by forming one pound of ointment of white wax, and 

 an ounce and half of amraoniated fubmuriate of mercury, into 

 an ointMient. Thefe ointments are ftimulant and detergent. 

 They are recommended by fome German authors as a re- 

 medy for the itch, which may be fafely ufed on infants : but 

 they have not been employed in this country. 



U. ejapanica terra. See Japan Earth. 



U. linarie. See Antirrhinum. 



U. mercuriale, or mercurial ointment. See U. hydrargyri, 

 fnpra. 



U. infuji meloes vejicatorii, ointment of infufion of blif- 

 tering flies of Edinb. Ph., is prepared of bhftering flies, 

 refin, yellow wax, of each one part ; Venice turpentine, 

 hog's-lard, of each two parts ; and boiling water, four parts; 

 by macerating the flies in the water for a night, and ftrain- 

 ing the liquor, ftrongly exprefling it ; then adding the liquor 

 to the fat, and boiling until the water be evaporated ; after- 

 wards adding the wax and the refin, and when thefe are 

 melted, removing the mixture from the fire and adding the 

 Venice turpentine. 



This ointment is fufficiently mild, but does not always 

 keep open a bliftered furface, fo that it does not anfwer the 

 purpofe for which it is defigned. The acrimony of the 

 flies is nearly deftroyed by the heat employed for the eva- 

 poration of the water. 



U. nardinum. See Nardinum unguentum. 



U. nutritum is the name of an ointment of lead, made 

 by grinding two ounces of litharge, and adding alter- 

 nately, and by little and little, two ounces of vinegar, and 

 fix of oil. This unguent, though now expunged from our 

 Difpenfatories, is an excellent application in many cafes. 

 It {hould not be long kept, but made frefli as wanted. 

 Lewis. See U . Ji-Uuninum. 



U. oculi, or eye-ointment. See U- oxidi zinei impuri, &c. 

 infra. 



U. oxidi plumM alii, vulgo, U. album, ointment of white 



oxyd of lead of Edinb. Ph., confifts of five parts of limplc 

 ointment, and one part of white oxyd of lead. 



I/, cervjfa, five fubacelatis plumbi, ointment of cerufTa, or 

 fubacetate of lead of Dub. Ph., is compounded by forming 

 a pound of ointment of white, wax and two ounces of cerufla, 

 reduced to a very fine powder, into an ointment. Thefe are 

 cooling, deficcative ointments, chiefly employed as drefEngs 

 for burns. 



U. oxidi ainci impuri, olim, U. tuti<e, Edinb., ointment 

 of impure oxyd of zinc, formerly ointment of tutty, is 

 compounded of five parts of fimple liniment, and one part 

 of prepared impure oxyd of zinc. 



U. tutia, ointment of tutty of Dub. Ph., is prepared by 

 forming ten ouncesof ointment of white wax, and two ounces 

 of prepared tutty, into an ointment. Thefe ointments were 

 formerly much uftd in ophthalmia tarfi, but they are now 

 feldom employed. 



U. picii arida, pitch ointment of the Lond. Ph., is pre- 

 pared by melting together pitch, yellow wax, and yellow 

 refin, of each nine ounces, and a pint of olive oil ; and 

 ftraining the mixture through a linen cloth. 



U. picis liguida, tar ointment of the Lond. Ph., is ob- 

 tained by melting together tar and prepared fuet, of each 

 a pound, and ftraining the mixture through a linen cloth. 



I/, picis, tar ointment of the Ednib. Ph., is compounded 

 of five parts of tar, and two parts of yellow wax. 



I/, picis liquidtc, tar ointment of Dub. Ph. confifts of tar 

 and mutton luet, of each half a pound, which are melted to- 

 gether, and then the mixture is ftrained through a fieve. 

 The pitch and tar ointments are applicable to the fame pur- 

 pofes ; being ufed with advantage as detergents in fcabby 

 foul eruptions and tinea capitis. 



U. piperis nigri, ointment of black pepper, is obtained 

 by formmg a pound of prepared hog's-lard and four ounces 

 of black pepper in powder, into an ointment. 



U. popuUum. See PoPULEUM. 



U. pulveris meloes vefuatorii, ohm, U. epijpajlicum fortius , 

 ointment of the powder of bliftering flies, tormerly fijong 

 iflue ointment, confifts of feven parts of refinous ointment, 

 and one part of powdered bhftering flies. 



U. cantharidis, ointment of bliftciing flics of Dub. P*h., 

 is compounded of half a pound of ointment of yellow wax, 

 and one ounce of bliftering flies in powder, formed into an 

 ointment. Thefe ointments anfwer the purpofe of promot- 

 ing a purulent difcharge from bliftered furtaces, when the 

 irritation excited by them, which is fometimes intolerable, 

 can be endured. The flies ftiould be very finely pulverized, 

 and very intimately mixed with the ointment. 



U. rejin<t albtc, ointment of white refin of Dub. Ph., is 

 compofed of a pound of yellow wax, two pounds of white 

 refin, and four pounds of prepared hog's-lavd, which are 

 made into an ointment, and this is to be ftrained, while it is 

 hot, through a fieve. 



U. rejtnojum, refinous ointment of Edinb. Ph., is 

 compounded of eight parts of hog's-lard, five parts of 

 refin, and two parts of yellow wax. (See Ceratum re- 

 fwit. ) Thefe omtments are ftimulant, digeftive, and cleanf- 

 ing ; and therefore form an excellent dreffing for foul and 

 indolent ulcers. See Basilicon. 



U. fabirtx, favine ointment of Dr.b. Ph., is obtained 

 by taking frefti leaves of favine freed from the ftalks and 

 bruifed, half a pound ; prepared hog's-lard, two pounds; 

 yellow wax, half a pound ; boiling the leaves with the lard 

 until they become crifp, then ftraining with expreffion, and 

 laftly adding the wax, and melting them together. (See 

 Ceratum ^i;W.) This ointment is very difficult of pre- 

 paration. The frefti leaves are preferable to thofe that are 



dry, 



