Medication Description: Mercury Oxide Yellow (Hydrargyri oxydum flavum)
MERCURY YELLOW OXIDE (Hydrargyri oxydum flavum).
Synonyms: Mercury sediment yellow, Hydrargyrum oxydatum flavum, Hydrargyrum praecipitatum flavum.
Heavy, thin yellow or orange-yellow powder; odorless. Practically insoluble in water, easily soluble in hydrochloric and nitric acids. The light gradually darkens.
Apply in the form of 2% ointment.
Mercury yellow ointment (Unguentum Hydrargyri oxydi flavi).
Synonyms: Unguentum Hydrargyri oxydati flavi, Unguentum ophthamicum.
Contains mercury oxides of yellow and vaseline oil in 2 parts, vaseline 80 parts, anhydrous lanolin 16 parts.
Ointment is prepared ex tempore. It has a yellow-orange color. Released in a container that protects against the action of light.
Assign with blepharitis, keratitis, conjunctivitis, etc. and in skin diseases (sycosis, seborrhea).
In ophthalmic practice, when prescribing a yellow mercury ointment, it is not recommended to take simultaneously bromine and iodine salts, due to the possible formation of mercury bromide and iodide in the tear fluid, which have a cauterizing property.
Storage: List B. In well-sealed cans of orange glass in a dark place.
Rp .: Ung. Hydrargyri oxydi flavi 10.0
DS Eye Ointment
Rp .: Hydrargyri oxydi flavi 0.6
Ung. Zinci 20.0