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Vulvar contact dermatitis is a common problem in dermatology and gynecology. It affects the health and life quality of women with this disease in a significant way. Over 50% of cases of chronic vulvar pruritus in adult women can be attributed to irritative or allergic substances (1), including the use of all those soaps self-referenced as intimate soaps, which is becoming increasingly frequent. The main symptom is irritation in the vulvar region; it can present related symptoms such as itching, burning and pain. Contact dermatitis occurs after exposure to exogenous irritants or allergens. Clinically, both of these states are difficult to differentiate; an adequate clinical history is required to investigate possible allergens, along with a complete physical examination and patch test being the only diagnostic method that confirms allergic contact dermatitis (2) in order to have an accurate diagnosis, initiate appropriate treatment and eliminate the triggering factor. [ABSTRACT FROM AUTHOR]

Prímula obconíca or "primrose" is a popular ornamental plant in homes and gardens of Colombia. It belongs to the family of Primulaceae and it is the most common cause of plant-induced contact dermatitis in Europe. We report the case of a housewife who presented with linear lesions, vesicles and blisters on the skin of the face, the forearms and the hands, mentioning at her second visit a history of contact with plants at home. Patch testing with the extended European standard battery (HermalTrolab®) was positive and sensiti- zation to 0.01% primin was demonstrated, with a rapid disappearance of lesions after discontinuation of contact with the plant. We emphasize the importance of patch testing as a diagnostic tool for identifying the relevant allergens in patients with suspected allergic contact dermatitis to plants. [ABSTRACT FROM AUTHOR]