A peroxide derivative that has been used topically for burns and as a dermatologic agent
in the treatment of acne and poison ivy. It is used also as a bleach in the food industry.
A genus (formerly part of Rhus genus) of shrubs, vines, or trees that yields a highly
allergenic oleoresin which causes a severe contact dermatitis. The most toxic species
are Toxicodendron vernix (poison sumac), T. diversilobum (poison oak), and T. radicans
(poison ivy). T. vernicifera yields a useful varnish from which certain enzymes (laccases)
are obtained.
[
Articles]
Rosacea
A cutaneous disorder primarily of convexities of the central part of the face, such as forehead;
cheek; nose; and chin. It is characterized by flushing; erythema; edema; rhinophyma; papules;
and ocular symptoms. It may occur at any age but typically after age 30. There are various
subtypes of rosacea: erythematotelangiectatic, papulopustular, phymatous, and ocular
[
Articles]
Acne Vulgaris
A chronic disorder of the pilosebaceous apparatus associated with an increase in sebum
secretion. It is characterized by open comedones (blackheads), closed comedones (whiteheads),
and pustular nodules. The cause is unknown, but heredity and age are predisposing factors.
[
Articles]
