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Skin efflorescence after leaving out St. John's wort. Despite the prescription of a steroid containing cream the skin efflorescences recovered, but appeared again unchanged after leaving out the cream for a short time. On a specific questioning the patient reported for the first time to take hypericin (Johanniskraut Sandos 425) within the last few years. After stopping taking the medicine the erythema faded away completely in short time.
