dermatitis

Examples of dermatitis in the following topics:

• Rash

  • Contact dermatitis is a localized rash or irritation of the skin caused by contact with a foreign substance.
  • Only the superficial regions of the skin are affected in contact dermatitis.
  • In the Americas, the most common causes of allergic contact dermatitis are plants of the Toxicodendron genus: poison ivy, poison oak, and poison sumac.

• Blister

  • This is known as contact dermatitis.
  • Dermatitis herpetiformis – a skin disease that causes intensely itchy blisters, usually on the elbows, knees, back and buttocks.

• Edema

  • It can be caused by systemic diseases, pregnancy in some women, either directly or as a result of heart failure, or local conditions such as varicose veins, thrombophlebitis, insect bites, and dermatitis.
  • Examples of edema in specific organs include cerebral edema, pulmonary edema, periorbital edema (eye puffiness), and cutaneous edema due to mosquito bites, spider bites, bee stings, or contact dermatitis).

• Hypersensitivity

  • Associated disorders: Contact dermatitis, Mantoux test, Chronic transplant rejection, Multiple sclerosis, T-cells VAutoimmune disease receptor mediated, Graves' disease,Myasthenia Gravis.

• Complete Antigens and Haptens

  • One well-known hapten is urushiol, the toxin found in poison ivy and a common cause of cell-mediated contact dermatitis.