Vapour of Creosote. Syn. Vapor creosoti. (B. P.) Mix creosote, 12 minims, and boiling water, 8 oz., in an apparatus so arranged that air may be inhaled through the solution.
Vapour of Hop. Syn. Vapor lupuli. (St Th. Hosp.) Oil of hops, 6 minims; light carbonate of magnesia, 10 gr.; water, 1 oz. A teaspoonful in 1 pint of water, at 140° F., for each inhalation. Sedative.
Vapour of Hydrocyanic Acid. Syn. Vapor acidi hydrocyanici. (B. P.) Mix from 10 to 15 minims of diluted hydrocyanic acid with 1 dr. of cold water in a suitable apparatus, and let the vapour that arises be inhaled.
Vapour of Iodine. Syn. Vapor iodi. Mix tincture of iodine, 1 fl. dr., and water, 1 oz., and, having applied a gentle heat, let the vapour that arises be inhaled.
Vapour of Lactic Acid. Syn. Vapor acidi lactici. (St Th. Hosp.) Lactic acid, 20 minims; distilled water, 1 oz.; mix. For spray inhalation. Dissolves the membranous exudation in diphtheria,
Vapour of Oil of Juniper. Syn. Vapor olei juniperi. (St Th. Hosp.) English oil of juniper, 20 minims; light carbonate of magnesia, 10 gr.; water, 1 oz. A teaspoonful to 1 pint of water at 140° F. for each inhalation. For vocal weakness.
Vapour of Oil of Mountain Pine. Syn. Vapor pini plumilionis. (St Th. Hosp.) Oil of mountain pine, 1⁄2 dr.; light carbonate of magnesia, 15 gr.; water, 1 oz.; 1 dr. to 1 pint of water at 140° F. for each inhalation. In chronic laryngitis.
Vapour of Oil of Myrtle. Syn. Vapor olei myrti. (St Th. Hosp.) Oil of myrtle, 6 minims; light carbonate of magnesia, 6 gr.; water, 1 oz. A teaspoonful in a pint of water at 140° F. for each inhalation. In acute tonsillitis.
Vapour of Nitrite of Amyl. Syn. Vapor amyl nitritis. (St Th. Hosp.) Nitrite of amyl, 8 minims; rectified spirit, 1 oz. A teaspoonful in a pint of water at 100° F. for each inhalation. In asthma and spasm of the glottis.
Vapour of Scotch Pine. Syn. Vapor pini Sylvestris. Oil of Scotch pine (fir-wood oil), 40 minims; light carbonate of magnesia, 20 gr.; water, 1 oz.; 1 dr. to 1 pint of water at 140° F. for each inhalation. In chronic laryngitis.