Resumen

DORTA, L; MARTES, M; FRAGENAS, A  y  DORTA MARTES, LJ. Dermatitis, contact and árnica montana: Presentation of a clinical case, revision and update. The grillitos clinic.  December 2013, Maracay - Aragua Venezuela State. Rev. argent. dermatol. [online]. 2014, vol.95, n.1, pp.29-33. ISSN 1851-300X.

The presentation of a case of irritant contact dermatitis in a patient with a history of high blood pressure regularly treated and controlled, who starts on 19.04.13 with fever of 39º5 which ceded with use of current antipyretic; accompanied  by myalgia, retro-ocular pain, arthralgias, headache of strong intensity, complete haematology reports thrombocytopenia  and leukocytosis at the expense of segmented, picture that  remained for 48 hours; later is associated with stabbing pain and right lower limb rigidity.  22.04.13 presents increase in volume and signs of phlogosis of elevated erythematous  edges that extends to the sural region, with blister on right twin region of approximately 10x10 cm with functional limitation of that member. The patient is hospitalized under the diagnosis of Bullous erysipelas, receives broad spectrum antibiotics to Gram +, Gram - and anaerobic. 29.04.13 blister hatches draining not foul-smelling yellowish secretion; it is cultivated and Gram, reporting no bacterial growth. Refers to Central Hospital of Maracay entering it with the diagnosis of cellulitis  blistering, where it performed second Gram and cultivation reported without bacterial growth; they perform a biopsy which reports epidermal necrotic dermatitis superficial and deep compatible with dermatitis irritant contact. The case is reevaluated, interrogating again to the patient and the dermal symptoms coincide with the use of Árnica montana product (this data was not reported or questioned in the initial history).  Update about the product reported that exists extensive reference on cases of dermatitis contact, mainly by the use of Árnica montana and one of its components; methylparaben, these cases have been reported by prolonged use of the product described as excited skin syndrome or angry back. The patient after to the second questioned referred the use of this product frequently for several years topically and even concerned using infusions of the flower of Árnica montana orally.  It was decided to deal with steroids intravenously, resulting in evident improvement with egress to the fifth day and outpatient follow-up, which reported complete remission of picture.

Palabras clave : Dermatitis; Irritant contact; Árnica montana; Methylparaben; Excited skin syndrome..