Dose, 1/2 - 2 grs., 3 - 12 cgms.

The juice obtained by incision from the unripe capsules of Papaver somni-ferum, inspissated by spontaneous evaporation. Usually in rounded or more or less irregular large masses, when dry, hard and a dark brown-black colour; odour strong and characteristic, taste bitter. For the use in the preparation of standardised galenical preparations any suitable variety may be used, provided that it contain not less than 7.5% of anhydrous morphine when dry. For all other purposes opium must contain of its dry weight 9.5-10.5% of anhydrous morphine. The chief alkaloidal constituent is morphine, the alkaloids codeine, thebaine, narcotine, are the chief of the other alkaloids that occur. Opium also contains meconic acid, free and in combination. Incompatibles, alkaline carbonates, salts of mercury, and preparations containing tannin; and due to meconic acid, ferric salts (red colour), lead acetate, silver nitrate, barium chloride, calcium chloride, nitric acid.

3emplastrum Opii

10; Resin Plaster, 80.

2Extractum Opii. 1/4 - 1 gr.; 15 - 60 mgms. A partially dried aqueous extract, standardised to contain 20% of morphine.

1Extractum Opii Liquidum. Dose, 5 - 30 min.; 0.3 - 2 c.c. Of the extract, 3.75; Alcohol, 20; Water, 80. Contains about 3/4 gr. morphine in 110 min.

1Pilula Plumbi cum Opio. Dose, 2 - 4 grs.; 12 - 24 cgms. (In 1 or 2 pills).

- 12.5; Lead Acetate, 75; Syrup of Glucose, q.s. Each pill contains 1/4 gr. of opium.

2Pilula Saponis Composita. Dose, 2 - 4 grs.; 12 - 24 cgms. (In 1 or 2 pills.)

- 20; Hard Soap, 60; Syrup of Glucose, 20. Each pill contains 2/5 gr. of opium.

2Pulvis Opii Compositus. Dose, 2 - 10 grs.; 1 - 6 dgms. - 10.5; Black Pepper, 14; Ginger, 35; Caraway Fruit, 42; Tragacanth, 3.5. Contains roughly 1 gr. opium in 10 grs. of powder.

1Pulvis Ipecacuanhæ Compositus. (Dover's Powder.) Dose, 5 - 15 grs.; 3 - 10 dgms.

- 10; Ipecacuanha Root, 10; Potassium Sulphate, 80. 1 gr. opium in 10 grs.

2Pilula Ipecacuanhæ cum Scilla. (See Ipecacuanha.) Contains 1 gr. of opium in 20 grs.

2Pulvis Kino Compositus. Dose, 5 - 20 grs.; 3 - 12 dgms. - 5; Kino, 75; Cinnamon Bark, 20. Contains 1 gr. opium in 20 grs.

1Pulvis Cretæ Aromaticus cum Opio. Dose, 10 - 40 grs.; 6 - 24 dgms. - 2.5; Aromatic Powder of Chalk, 97.5. Contains 1 gr. of opium in 40 grs.

3Suppositoria Plumbi Composita. (See Plumbum.) Contains 1 gr. in each.

1Tinctura Opii. (Laudanum.) Dose, if repeated, 5 - 15 min.; 0.3 - 1 c.c: for a single administration, 20 - 30 min.; 1.2 - 2 c.c.

A tincture standardised to contain 1 gr. opium in 15 min., or 0.7 - 0.8% of anhydrous morphine.

2linimentum Opii

50; Liniment of Soap, 50.

2Tinctura Opii Ammoniata. (Scotch Paregoric.) Dose, 30-60 min.; 2 - 4 c.c.

- 15; Benzoic Acid, 2.06; Oil of Anise, 0.625; Solution of Ammonia, 20; Alcohol, to 100. Contains about 0.62 gr. of opium in 1 fl. dr.

1Tinctura Camphoræ Composita. (Paregoric, Paregoric Elixir) Dose, 30 - 60 min.; 2 - 4 c.c.

- 6.09; Benzoic Acid, 0.46; Camphor, 0.34; Oil of Anise, 0.31; Alcohol 60% to 100. Contains 0.25 gr. opium, or 1/30 morphine hydrochloride, in 1 fl. dr.

2Unguentum Gallæ cum Opio. Opium, 7.5; Gall Ointment, 92.5.