Epitome of the Pharmacopeia of the United States and the National Formulary Part 57

_Unguentum Picis Compositum (Ung. Pic. Co.), Compound Tar Ointment, N.F._--Rectified oil of tar (4%), zinc oxide (3%), and tincture of benzoin in yellow wax, lard and cottonseed oil.

=Oleum Pimentae (Ol. Piment.), Oil of Pimenta, U.S.P.= (Pimento Oil, Oil of Allspice).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Flavoring agent and carminative.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.).

=Oleum Pini Pumilionis (Ol. Pin. Pumil.), Oil of Dwarf Pine Needles, U.S.P.= (Dwarf Pine Oil).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: More aromatic than oil of turpentine, and used as an inhalation in catarrh of the respiratory pa.s.sages.

=*Oleum Ricini (Ol. Ricin.), Castor Oil, U.S.P.=--A fixed oil.

Soluble in equal parts of alcohol.

ACTION AND USES: Effective and prompt cathartic, but likely to be followed by constipation and therefore not indicated in chronic constipation. Useful as an initial purge in acute diarrheas.

DOSAGE: 15 Cc. or 4 fluidrachms (U.S.P.).

_Emulsum Olei Ricini (Emul. Ol. Ricin.), Emulsion of Castor Oil, N.F._--Castor oil (35%), with acacia, flavored with tincture of vanilla, in syrup and water.

USES: Renders castor oil somewhat less disagreeable.

DOSAGE: 45 Cc. or 1-1/2 fluidounces (N.F.).

_Oleum Ricini Aromatic.u.m (Ol. Ricin. Arom.), Aromatic Castor Oil, N.F._--Castor oil flavored with benzosulphinide, oil of cinnamon, oil of clove, vanillin and coumarin.

USES: A partly successful attempt to render castor oil less disagreeable.

DOSAGE: 15 Cc. or 4 fluidrachms (N.F.).

=Oleum Rosmarini (Ol. Rosmar.), Oil of Rosemary, U.S.P.= (Rosemary Oil).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Aromatic flavor and carminative.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.).

=*Oleum Santali (Ol. Santal.), Oil of Santal, U.S.P.= (Santalwood Oil, Oil of Sandalwood).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Urinary disinfectant and stimulant.

Used in subacute stages of cyst.i.tis and gonorrhea.

DOSAGE: 0.5 Cc. or 8 minims (U.S.P.), preferably in capsules.

=Oleum Sa.s.safras (Ol. Sa.s.saf.), Oil of Sa.s.safras, U.S.P.= (Sa.s.safras Oil).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Flavor; used externally as rubefacient counterirritant.

=Oleum Sesami (Ol. Sesam.), Sesame Oil, U.S.P.= (Teel Oil, Benne Oil).--A fixed oil.

ACTION AND USES: Emollient, used as subst.i.tute for olive oil.

=*Oleum Sinapis Volatile (Ol. Sinap. Vol.), Volatile Oil of Mustard, U.S.P.= (Mustard Oil).--Produced synthetically or from black mustard seed.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Powerful irritant and rapid vesicant; employed as counterirritant dissolved in alcohol or fixed oils.

_Linimentum Sinapis Compositum (Lin. Sinap. Co.), Compound Liniment of Mustard, N.F._--Volatile oil of mustard (3%), fluidextract of mezereum (20%) and camphor (6%) in castor oil and alcohol.

USES: Complex and antiquated counterirritant.

_Spiritus Sinapis (Sp. Sinap.), Spirit of Mustard, N.F._--Volatile oil of mustard (2%) in alcohol.

USES: Rubefacient.

=*Oleum Terebinthinae (Ol. Tereb.), Oil of Turpentine, U.S.P.= (Turpentine Oil, "Spirits of Turpentine").--A volatile oil obtained from the oleoresin of pine wood (turpentine).

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Applied externally, rubefacient and counterirritant. For internal use, see Oleum Terebinthinae Rectificatum, below.

_Oleum Terebinthinae Rectificatum (Ol. Tereb. Rect.), Rectified Oil of Turpentine, U.S.P._ (Rectified Turpentine Oil).--Redistilled oil of turpentine.

USES: Antiseptic, anthelmintic, diuretic and carminative.

Used to relieve tympanites.

DOSAGE: 0.3 Cc. or 5 minims (U.S.P.).