Action and Uses: Used principally in suppositories, etc.; sometimes in emollient ointments and as a lubricant in massage.

Oleum Thymi (Ol. Thymi), Oil of Thyme, U.S.P. (Thyme Oil).—A volatile oil.

Nearly insoluble in water; soluble in alcohol.

Action and Uses: Rubefacient and counterirritant; usually applied as a liniment, diluted with a fixed oil or the well-known soap liniment. Internally, carminative but now seldom used.

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

*Oleum Tiglii (Ol. Tiglii), Croton Oil, U.S.P.—A fixed oil.

Action and Uses: Very powerful cathartic and gastric and intestinal irritant, frequently causing violent vomiting and purging, sometimes followed by collapse. Externally, rubefacient and vesicant.

Dosage: 0.05 Cc. or 1 minim (U.S.P.). Preferably administered in drop doses on sugar or in a pill with bread or other absorbent.

Collodium Tiglii (Collod. Tiglii), Croton Oil Collodion, N.F.—Croton oil (10%) and flexible collodion.

Uses: There is no advantage in applying croton oil with collodion.