Common sites of involvement are the flexor surfaces of wrists, forearms, ankles, abdomen, and sacrum. Nails may have ridges running lengthwise. On mucous membranes (e.g., the mouth), the membranes appear gray and lacy.
Episodes of disease activity, of which there are numerous variations, may last for months and may recur. In more...
Source: ADAM Encyclopedia
Lichen planus is a disease in which there is an itchy rash on the skin or in the mouth.Causes, incidence, and risk factorsThe exact cause of lichen... Read more »
Source: ADAM Encyclopedia
Pes planus is a condition in which the arch or instep of the foot collapses and comes in contact with the ground. In some individuals, this arch... Read more »
Source: HealthCentral Encyclopedia
Lichen sclerosus et atrophicus (LSA) is a chronic skin disease characterized by white, flat papules with an erythematous halo and black, hard... Read more »
Source: ADAM Encyclopedia
Lichen simplex chronicus is a skin disorder that leads to chronic itching and scratching. Causes, incidence, and risk factors This disorder... Read more »
Researchers have found that two medications may treat painful mouth ulcers. One med, Trental, provided some relief to patients with ulcers from... Read more »