~Acid, Phosphoric, (Ortho-), Merck.--Syrupy.--85%.~

~Dose:~ 2--6 [min.], well diluted.

~do. Merck.~--Diluted.--10%.

~Dose:~ 20--60 [min.].--INCOMPATIBLES: Ferric chloride, lead acetate, etc.

~Acid, Picric, Merck.--C.P., Cryst.~

PICRONITRIC, PICRINIC, OR CARBAZOTIC, ACID.--Yellow cryst.; odorl.; intensely bitter.--SOL. in alcohol, ether, chloroform; sl. in water.--Antiperiodic, Antiseptic, Astringent.--USES: _Intern._, in malaria, trichiniasis, etc.; _extern._, in crysipelas, eczema, burns, fissured nipples, etc.: 1/10% solut. for cracked nipples, 1/2--1% hydro-alcoholic solut. on compress renewed only every 3 to 7 days in burns.--~Dose:~ 1/2--2 grn., in alcoholic solut.--MAX. D.: 5 grn.--ANTIDOTE: Alb.u.men.--INCOMPATIBLES: All oxidizable substances.

Dangerously explosive with sulphur, phosphorus, etc.--CAUTION: Do not apply in substance or in oint., lest toxic symptoms appear!

~Acid, Pyrogallic, Merck, (Pyrogallol, U.S.P.)--Resublimed.~

Used only _extern._, in 5--10% oint.

~Acid, Salicylic, Merck.--U.S.P.--C.P., Cryst.; and Natural~ (from Oil Wintergreen).

~Dose:~ 10--40 grn.

~Acid, Sozolic,~--see ASEPTOL.

~Acid, Sulpho-anilic, Merck.--Cryst.~

White efflorescent needles.--SOL. slightly in alcohol; 112 parts water.--Anticatarrhal, a.n.a.lgesic.--USES: _Intern._, coryza, catarrhal laryngitis, etc.--~Dose:~ 10--20 grn. 1 to 2 t. daily, in aqueous sol.

with sodium bicarb.

~Acid, Sulpho-salicylic, Merck.~

White cryst.--SOL. in water, alcohol.--USES: Delicate urine-alb.u.min test.

Acid, Sulphuric, Aromatic--U.S.P.

20 per cent. H{2}SO{4}.--Best form for administration.--~Dose:~ 10--20 min.

Acid, Sulphuric, Diluted--U.S.P.

10 per cent. H{2}SO{4}.--(Concentrated Sulphuric acid is not used medicinally.)--USES: _Intern._, gastro-intest. disorders, phthisical sweats, exophthalmic goiter, etc.; also as solvent for quin. sulph., etc.--~Dose:~ 15--30 min., well diluted.--ANTIDOTES: Same as of hydrochloric acid.

Acid, Sulphurous--U.S.P.

6.4 per cent. SO{2}.--Antiseptic, Antizymotic.--~Dose:~ 15--60 min., well diluted. EXTERN. 10--25 per cent. solut.

~Acid, Tannic, Merck.--U.S.P.--C.P., Light.~

~Dose:~ 2--20 grn.--_Preparations:_ Styptic Collodion (20%); Glycerite (20%); Oint. (20%); Troches (1 grn.).--INCOMPATIBLES: Ferrous and ferric salts, antimony and pota.s.sium tartrate, lime water, alkaloids, alb.u.men, gelatin, starch.

~Acid, Tartaric, Merck.--U.S.P.--C.P., Cryst. or Powd.~

~Dose:~ 10--30 grn.

~Acid, Trichlor-acetic, Merck.--Pure, Cryst.~

Deliquescent cryst.; pungent, suffocating odor; caustic. SOL. freely in water, alcohol, ether.--Escharotic, Astringent, Hemostatic.--USES: Venereal and cutaneous warts, papillomata, vascular naevi, pigment patches, corns, nosebleed, obstinate gleet, gonorrhea, nasopharyngeal affections and indolent ulcers.--APPLIED: As _escharotic_, pure, or in concentrated solut.; _astringent_ and _hemostatic_, 1--3% solut.--CAUTION: Keep in gla.s.s-stoppered bottle.

~Acid, Valerianic, Merck.~

Oily liq., strong valerian odor; bitter, burning taste.--SOL. in water, alcohol, ether, chloroform.--Antispasmodic, Sedative.--USES: Nervous affections, hysteria, mania, etc.--~Dose:~ 2--10 drops, in sweetened water.

Aconite Root--U.S.P.

_Preparations:_ Ext. (D., 1/4--1/2 grn.), F.E. (D. 1/4--1 min.); Tr.

(q.v.).--See also, Aconitine.

~Aconitine, Potent, Merck.--Cryst.~--(_Do not confound with the "Mild"!_)

Alkaloid from Aconite, prepared according to process of Duquesnel.--White cryst.; feebly bitter taste.--SOL. in alcohol, ether, chloroform; insol. in water.--Antineuralgic, Diuretic, Sudorific, Anodyne.--USES: _Intern._, neuralgia, acute or chronic rheumatism, gout, toothache, etc.; _extern._, rheumatism, other pains.--~Dose:~ 1/640--1/200 grn. several t. daily, in pill or solut., with caution.--MAX. D.: 1/64 grn. single; 1/20 grn. daily.--EXTERN.: 1:2000--500 parts lard.--ANTIDOTES: Small repeated doses of stimulants; artificial respiration, atropine, digitalis, ammonia.--CAUTION: Never use on abraded surfaces. Danger of absorption! 10 times as toxic as the mild amorph. aconitine (below)!

~Aconitine, Mild, Merck.~--Amorph.--(_Do not confound with the "Potent"!_)

USES: As aconitine, potent, cryst.; but only 1/10 as powerful.--~Dose:~ 1/64--1/20 grn., very carefully increased.--EXTERN. 1/2--2% oint. or solut.

~Aconitine Nitrate Merck.--Cryst.~

~Dose:~ Same as of aconitine, potent, cryst.

~Adeps Lanae Hydrosus Merck.--U.S.P.~

HYDROUS WOOL-FAT.--Yellowish-white, unctuous ma.s.s. Contains about 25% water. Freely takes up water and aqueous solut's.--Non-irritant, permanent emollient, and base for ointments and creams; succedaneum for lanolin in all its uses.

~Adeps Lanae Anhydricus.~

(ANHYDROUS WOOL-FAT).--Contains less than 1% of water.

~Adonidin Merck.~

ADONIN.--Yellowish-brown, very hygroscopic, odorl. powd.; intensely bitter.--SOL. in water, alcohol; insol. in ether, chloroform.--Cardiac Stimulant, mild Diuretic.--USES: Heart diseases, especially mitral and aortic regurgitation, and relieving precordial pain and dyspnea.--~Dose:~ 1/16--1/4 grn. 4 t. daily, in pill, or solut. in chloroform water with ammonium carbonate.--MAX. D.: 1 grn.

~Agaricin Merck.~

White powd.; sweet, with bitter after-taste.--SOL. in alcohol; slightly in water, ether, or chloroform.--Antihidrotic.--USES: Phthisical night-sweats, sweating from drugs.--~Dose:~ 1/4--1 grn.

~Airol.~

BIs.m.u.tH OXYIODOGALLATE, _Roche._--Grayish-green, odorl., tastel.

powd.--INSOL. in water, alcohol, etc.--Surgical Antiseptic, like iodoform; also Antigonorrhoic and Intestinal Astringent.--~Dose:~ 2--5 grn. 3 t. daily.--EXTERN. pure, 10% emuls. in equal parts glycerin and water, or 10--20% oint.

~Alantol Merck.~