Systemic contact dermatitis.

نویسندگان

  • A K Bajaj
  • A Saraswat
چکیده

Systemic contact dermatitis (SCD), better termed systemically reactivated allergic contact dermatitis, is a type of contact hypersensitivity reaction in which ingestion or other systemic exposure to a contact allergen occurs in an already sensitized person. Although the initial sensitizing exposure is usually by topical application, re-exposure by the oral, intravenous or inhalation routes can cause SCD. Even percutaneous exposure through inflamed or broken skin may result in enough systemic absorption to cause SCD. These reactions may occur not only after ingestion of the primary allergen, but also after ingestion of other immunochemically related allergens. Probably all allergens have the capacity to elicit SCD in the presence of sufficiently strong pre­ existing sensitivity and a large enough administered dose. However, clinically significant SCD occurs only to certain allergens to which we are frequently exposed through a variety of routes.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Systemic contact dermatitis due to amethocaine following digital rectal examination.

Systemic contact dermatitis is a dermatitis that may occur in previously sensitized individuals when they are re-exposed to the allergen. Although many drugs have been implicated as a cause of systemic contact dermatitis, local anesthetics derived from caines have been rarely reported. We present a case of systemic contact dermatitis after a digital rectal examination with a urological lubrican...

متن کامل

Systemic allergic contact dermatitis associated with allergy to intraoral metals.

Contact (allergic) dermatitis is a skin disorder related to natural exposure to various allergens. Systemic contact dermatitis (SCD) describes a cutaneous eruption in response to systemic exposure to an allergen. The exact pathologic mechanism remains uncertain. Herein we describe a 36-year-old woman with symmetric systemic allergic contact dermatitis, unresponsive to conventional treatment, as...

متن کامل

Diet and dermatitis: food triggers.

Given increasing awareness of the link between diet and health, many patients are concerned that dietary factors may trigger dermatitis. Research has found that dietary factors can indeed exacerbate atopic dermatitis or cause dermatitis due to systemic contact dermatitis. In atopic dermatitis, dietary factors are more likely to cause an exacerbation among infants or children with moderate-to-se...

متن کامل

Systemic reactivation of allergic contact dermatitis: cosmetics may be the principal felons but foods could be accessory to the crime

Conclusion Cosmetics and food products share a range of ingredients known as causes of delayed type allergy. The possibility of systemic reactivation of allergic contact dermatitis by ingesting food products containing the same haptens as cosmetics should be considered in patients with confirmed contact allergy to cosmetic ingredients, who also demonstrate a disseminated, flexural or intertrigi...

متن کامل

Systemic contact dermatitis from propolis ingestion.

Propolis, also known as bee glue, is a substance collected by worker bees and it is used as a material for constructing and maintaining their beehives. It has been used topically and orally by humans for its anti-inflammatory properties. However, the growing use of propolis has been paralleled by reports of allergic contact dermatitis as a reaction to the substance. Contact dermatitis with gene...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Indian journal of dermatology, venereology and leprology

دوره 72 2  شماره 

صفحات  -

تاریخ انتشار 2006