Lotion of Ni′tre. Syn. Lotio potassæ nitratis, L. Prep. 1. Nitre, 3 dr.; vinegar, 14 pint; water, 34 pint.

2. Nitre, 2 dr.; sal ammoniac, 1 dr.; vinegar and water, of each 12 pint. In sprains, contusions, extravasations, tender feet, chilblains, &c. Diluted with an equal bulk of water, it is a popular application to ‘black eyes.’

Lotion of Ni′tric Acid. Syn. Lotio acidi, L. acidi nitrici, L. Prep. 1. (Collier.) Nitric acid, 12 fl. oz.; water, 1 pint. In lepra, and other scaly skin diseases.

2. (Phœbus.) Nitric acid, 1 fl. dr.; laudanum, 112 fl. dr.; rose water, 12 pint. For venereal ulcers.

Lo′tion of Nitromuriat′ic Acid. Syn. Lotion of aqua regia. Prep. (Copland.) Nitromuriatic acid, 114 dr.; water, 1 pint. In gangrene and mortification.

Lotion of Nux Vom′ica. Syn. Lotio nucis vomicæ, L. Prep. 1. Alcoholic extract of nux vomica, 10 gr.; rectified spirit and water, of each 212 fl. oz. In amaurosis.

2. (Radius.) Alcoholic extract of nux vomica, 8 gr.; liquor of ammonia (stronger), 12 fl. oz.; rectified spirit, 2 fl. oz. In paralysed limbs.

Lotion of O′pium. Syn. Lotio opii, L. opiata, L. Prep. 1. (Christison.) Opium, 40 gr.; water, 14 pint; infuse, add to the filtered liquid a solution of sugar of lead, 40, in water, 14 pint, and filter.

2. (St B. Hosp.) Opium, 112 dr.; boiling water, 1 pint; triturate and strain. Anodyne; the first is also refrigerant and discutient.

Lotion of Ox′ide of Zinc. Syn. Lotio zinci oxydi, L. Prep. 1. (Augustin.) Oxide of zinc, 1 dr.; elder-flower water, 112 fl. oz. In pustular erysipelas.