Unguentum Sulphuris Compositum. Lond. Compound Ointment of Sulphur

"Take of sublimed sulphur, half a pound; white hellebore root, in powder, two ounces; nitrate of potassa, a drachm; soft soap, half a pound; lard, a pound and a half; oil of bergamot, thirty minims. Mix them."

Syn. Onguent soufre compost (F.), Unguento solforato composto (I.).

This ointment is employed in the same cases as the simple ointment. It is supposed to derive more efficacy from the

1 As the smell of the sulphur ointment is objected to by many people, the following combination has been recommended : addition of the white hellebore, but it often excites too much irritation.

"Take of carbonate of potassa, half an ounce; rose water, one ounce; red sulphuret of mercury, one drachm; essential oil of Bergamot, half a fluid drachm; sublimed sulphur, hog's lard, of each eleven ounces. Mix them." - Bateman on Cutaneous Diseases, p. 200. note.

Unguentum Tartari Emetici. Dub. Tartar Emetic Ointment

"Take of tartrate of antimony and potassa, a drachm; prepared lard, an ounce. Rub the salt into a fine powder, then add it to the lard, and mix."

A useful counter-irritant; a little white sugar increases its activity.

Unguentum Veratri. Lond. Ointment of White Hellebore

"Take of white hellebore root, powdered, two ounces; lard, eight ounces; oil of lemon, twenty minims. Mix them."

Dublin.

"Take of prepared lard, a pound; white hellebore root, in powder, three ounces. Make them into an ointment."

These ointments are sometimes used for the cure of scabies, when the smell of the sulphur ointment is objected to; but they are less certain remedies.

Unguentum Zinci. Lond. Zinc Ointment

"Take of oxide of zinc, an ounce; lard, six ounces. Mix them."

Unguentum Oxidi Zinci, Edin. Ointment of Oxide of Zinc.

"Take of simple liniment, six parts; oxide of zinc, one part. Mix."

Dublin.

"Take of ointment of white wax, a pound; oxide of zinc, an ounce and a half. Make them into an ointment."

Syn. Onguent de Zinc (F.), Zinksalbe (G.), Unguento di Zinco (I.).

These ointments are moderately astringent and stimulant. They are generally applied in chronic inflammation of the eye, depending on a relaxed state of the vessels; we find them also of very considerable use in sore nipples; and for removing ring-worm, particularly when it attacks the scalp.

1 Unguentum hellebori albi, P. L. 1787.