.... [=a][=a] ..... [dram]ij
Petrolati, ........................... [dram]iv M.

Or the following ointment:--

[Rx] Calaminae, ............................ [dram]j
Ungt. zinci oxidi, ................... [dram]vij. M.

#Name several external remedies and combinations useful in eczema of a
subacute or mildly inflammatory type.#

The various remedies and combinations useful when the symptoms are acute
or markedly inflammatory (mentioned above), and more especially the
several following:--

[Rx] Zinci oxidi, ......................... [dram]ij
Liq. plumbi subacetat. dilut., ....... f[dram]vj
Glycerinae, ........................... f[dram]ij
Infus. picis liq., ................... f[Oz]iij M.

A lotion containing resorcin, five to thirty grains to the ounce.

Solution of zinc sulphate, one-half to three grains to the ounce.

An ointment containing calomel or ammoniated mercury, as in the annexed
formula:--

[Rx] Hydrargyri ammoniat. seu Hydrargyri
chloridi mit., ................... gr. x-xxx
Ac. carbolici, ..................... gr. v-x
Ungt. zinci oxidi, ................. [Oz]j M.

Another formula, more especially useful in eczema of the hands and legs,
is the following:--

[Rx] Ac. salicylici, ...................... gr. xxx
Emp. plumbi,
Emp. saponis,
Petrolati, ...... [=a][=a] ........... [Oz]j. M.

(This is to be applied as a plaster, spread on strips of lint, and
changed every twelve or twenty-four hours.)

The paste-like ointment, referred to as useful in acute eczema, may also
be used with a larger proportion (20 to 60 grains to the ounce) of
salicylic acid.

The following, containing tar, may often be employed with advantage:--

[Rx] Ungt. picis liq., .................... [dram]j
Ungt. zinci oxidi, ................... [dram]vij. M.

#What is to be said in regard to the use of tarry applications?#

Ointments or lotions containing tar should always be tried at first upon
a limited surface, as occasionally skins are met with upon which this
remedy acts as a more or less violent irritant. The coal tar lotion
(liquor carbonis detergens) is the least likely to disagree and may be
used as a mild ointment, one or two drachms to the ounce, or it may be
diluted and used as a weak lotion as already referred to.

#What external remedies are to be employed in eczema of a s