Eyebrows contact dermatitis miming angioedema

Angioedema-like allergic contact dermatitis to castor oil.

Angioedema-like allergic contact dermatitis related to black henna.

Allergic contact dermatitis related to para-phenylendiamine (PPD) from temporary black henna tattoos and hair dyes has become an epidemic in recent years. Several cases of adverse skin reactions to PPD have been reported in the literature. Herein, we present a case of angioedema-like allergic contact dermatitis related to hair coloring with henna.

Contact dermatitis in dentistry

Contact dermatitis can affect dentists, orthodontists, technicians, nurses and the patients. The increase of dental patients in recent years caused an increase in reports of dermatitis and other allergies in patients and in dentists too. With changes in dental materials through years, allergy and contact reactions in persons in contact with new allergens had been increased. So dentists and derm...

Contact Dermatitis

A contact or exogenous dermatitis is one in which an external irritant is the m?st important cause; but a constitutional factor undoubtedly also plays a part, and accounts for the fact that only a certain proportion of a community, in contact with the same irritant, develops dermatitis. Most cases of contact dermatitis clear up quickly when the irritant is removed, but in some the rash persists...

Noneczematous Contact Dermatitis

Irritant or allergic contact dermatitis usually presents as an eczematous process, clinically characterized by erythematoedematovesicous lesions with intense itching in the acute phase. Such manifestations become erythematous-scaly as the condition progresses to the subacute phase and papular-hyperkeratotic in the chronic phase. Not infrequently, however, contact dermatitis presents with nonecz...