The dose of the tincture of veratrum viride (tinctura veratri viridis) is from 1 to 5 minims (0.06-0.3 c.c.).

DOSAGE.

The following general rules will aid the student in remembering the safe dose of many important preparations:

1. Tinctures of very active drugs, such as opium, digitalis, belladonna, physostigma, nux vomica, gelsemium, arnica, and capsicum may be given in doses of from 5 to 20 minims (0.3-1.2 c.c.), except the tinctures of aconite, veratrum viride, iodin, and cantharides, the dose of which is from 1 to 5 minims (0.06-0.3 c.c.).

2. Tincture of less active drugs, such as gentian, calumba, krameria, quassia, valerian, cinchona, kino, may be given in doses of from ½ to 1 dram (2-4 c.c.).

3. Solid extracts of active drugs may be given in doses of from ⅙ to ¼ of a grain (0.01-0.016 gm.).

4. Solid extracts of less active drugs may be given in doses of from ½ to 5 grains (0.03-0.3 gm.) or more.

5. Dilute acids (hydrochloric, nitric, nitrohydrochloric, sulphuric) may be given in doses of from 5 to 20 minims (0.3-1.3 c.c.), except dilute hydrocyanic acid, the dose of which is from 1 to 5 minims (0.06-0.3 c.c.).

6. All medicated syrups, except the syrup of iodid of iron and the compound syrup of squill, may be given in doses of 1 to 2 drams (4-8 c.c.) or more.

7. All infusions may be given in doses of ½ to 1 ounce (15-30 c.c.) or more, except the infusion of digitalis, the dose of which is from 1 to 4 drams (4-15 c.c.).