Geographic tongue. There is a peculiar condition of the tongue that takes the form of denudations of the lingual surface in patches of redness that shift in position from time to time over hours and days. The cause of the condition is not known; there may be some relationship to psoriasis. No treatment is effective. The condition is largely asymptomatic except for slight tingling when sharp food is taken.
Nummular eczema. Round coin-shaped lesions of eczema on the legs of a child. Nummular eczema is a chronic, pruritic, inflammatory dermatitis occuring in the form of coin-shaped plaques. It is seen in individuals with very dry skin and/or atopic dermatitis.
The Food and Drug Administration has received complaints from people who have received products marketed as henna temporary tattoos, especially so-called "black henna," at places such as salons and kiosks at beaches and fairs. There have been reports of allergic reactions, skin irritations, infections, and even scarring.
Mistakenly thought to be a strictly male disease, women make up a significant percentage of American hair loss sufferers. Forty percent of women have visible hair loss by the time they are age 40, according to the American Academy of Dermatology.