title: Lichen associated with metformin.
abstract: We report an exceptional case of bullous lichen induced by metformin in a patient with diabetes mellitus.
authors.affiliation: National Center of Pharmacovigilance, Tunis, Tunisia - Tunis El Manar University, Medicine Faculty, Tunis, Tunisia.
authors.forename: Ahmed
authors.initials: A
authors.lastname: Zaïem
authors.affiliation: National Center of Pharmacovigilance, Tunis, Tunisia - Tunis El Manar University, Medicine Faculty, Tunis, Tunisia.
authors.forename: Rym
authors.initials: R
authors.lastname: Sahnoun
authors.affiliation: Tunis El Manar University, Medicine Faculty, Tunis, Tunisia - Dermatology Department, Habib Thameur Hospital, Tunis, Tunisia.
authors.forename: Talel
authors.initials: T
authors.lastname: Badri
authors.affiliation: National Center of Pharmacovigilance, Tunis, Tunisia - Tunis El Manar University, Medicine Faculty, Tunis, Tunisia.
authors.forename: Ghozlane
authors.initials: G
authors.lastname: Lakhoua
authors.affiliation: Pathological Anatomy Laboratory, Habib Thameur Hospital, Tunis, Tunisia.
authors.forename: Wafa
authors.initials: W
authors.lastname: Koubaa
authors.affiliation: National Center of Pharmacovigilance, Tunis, Tunisia - Tunis El Manar University, Medicine Faculty, Tunis, Tunisia.
authors.forename: Sarrah
authors.initials: S
authors.lastname: Kastalli
authors.affiliation: National Center of Pharmacovigilance, Tunis, Tunisia - Tunis El Manar University, Medicine Faculty, Tunis, Tunisia.
authors.forename: Riadh
authors.initials: R
authors.lastname: Daghfous
authors.affiliation: National Center of Pharmacovigilance, Tunis, Tunisia - Tunis El Manar University, Medicine Faculty, Tunis, Tunisia.
authors.forename: Mohamed
authors.initials: M
authors.lastname: Lakhal
authors.affiliation: National Center of Pharmacovigilance, Tunis, Tunisia - Tunis El Manar University, Medicine Faculty, Tunis, Tunisia.
authors.forename: Sihem
authors.initials: S
authors.lastname: El Aidli
mesh_terms: D003924:Diabetes Mellitus, Type 2 / Q000188:drug therapy; D003875:Drug Eruptions / Q000209:etiology* / Q000473:pathology; D005260:Female; D006801:Humans; D007004:Hypoglycemic Agents / Q000009:adverse effects* / Q000627:therapeutic use; D017512:Lichenoid Eruptions / Q000139:chemically induced* / Q000473:pathology; D008687:Metformin / Q000009:adverse effects* / Q000627:therapeutic use; D008875:Middle Aged
chemical_list: D007004:Hypoglycemic Agents; D008687:Metformin