Treatment

Ver. alb., Rohinia and Kali carb. are useful internal remedies. Bufo is indicated when the face tans quickly.

Melasmic discoloration likewise occurs as the result of the action of local irritants - excessive scratching, strong lights, blisters.

Pigmentary Naevi. - These consist of collections of pigment in the rete and corium, and a certain amount of hypertrophy of the papilla at times. They may be furnished with hairs. Moles are of this nature.

Xanthoderma. - In this disease the pigmentary discoloration is yellowish. It is characteristic of certain races, and is due to some special condition of the coloring matter of the skin, molecular or chemical.

Cyanoderma, or blue discoloration, is different from colored sweat. It is a curiosity, if not, at least in the greater number of instances, a hoax.