Bullous drug eruption to Nigella sativa oil: Consideration of the use of a herbal medicine - clinical report and review of the literature.

The article presents a case study of a 54-year-old Algerian woman was admitted for erythroderma, localized blisters and erosions. It discusses the patch test performed using components of essential oils, herbals and Nigella sativa oil (NSO) used by the patient. It also discusses results of the biopsy which showed subepidermal blister with eosinophils and linear deposition of C3 and IgG at the dermo-epidermal junction.