, from one-sixth of a grain to two grains of the solid opium, according to the disease.

712. Oxide of Zinc

Oxide of Zinc is an antispasmodic, astringent, and tonic.

Used externally

, as an ointment, it forms an excellent astringent in affections of the eyelids, arising from relaxation; or as a powder, it is an excellent detergent for unhealthy ulcers.

Used internally

, it has proved efficacious in St. Vitus's dance, and some other spasmodic affections.

Dose

, from one to six grains twice a day.