Epitome of the Pharmacopeia of the United States and the National Formulary / With Comments

by Albion Walter Hewlett; William August Puckner; Torald Hermann Sollmann; Martin I. Wilbert

Dosage: 30 Cc. or 1 fluidounce (U.S.P.).

Oleum Picis Liquidae Rectificatum (Ol. Pic. Liq. Rect.), Rectified Oil of Tar, U.S.P. (Oleum Picis Liquidae, U.S.P. VIII, Rectified Tar Oil).—A volatile oil.

Nearly insoluble in water; soluble in alcohol.

Action and Uses: Externally antiseptic, irritant and parasiticide; used in skin diseases.

Dosage: Internally, 0.2 Cc. or 3 minims (U.S.P.).

Mistura Olei Picis (Mist. Ol. Pic.), Mixture of Oil of Tar, N.F. (Mistura Picis Liquidae, Tar Mixture).—Rectified oil of tar (3.5%) and chloroform (1%), with pure extract of glycyrrhiza, sugar and oil of peppermint in alcohol and water. Absolute alcohol content about 16 per cent.

Uses: Complex, disagreeable expectorant.

Dosage: 8 Cc. or 2 fluidrachms (N.F.).

Petroxolinum Picis (Petrox. Pic.), Tar Petroxolin, N.F. (Tar Petrox).—Rectified oil of tar (25%) in liquid petroxolin.

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.