title: Combination treatment of low-fluence Q-switched Nd:YAG laser and oral tranexamic acid for post-inflammatory hyperpigmentation due to allergic contact dermatitis to henna hair dye.
abstract: A 64-year-old female presented with facial hyperpigmentation. She had dyed her hair monthly with pure henna powder for the past seven months. After patch tests, the patient was diagnosed as post-inflammatory hyperpigmentastion due to allergic contact dermatitis to pure henna that has rarely been reported. The patient underwent Q-switched Nd:YAG laser treatment and was treated with oral tranexamic acid for 10 weeks. The hyperpigmentation on her forehead demonstrated substantial improvement.
authors.affiliation: a Department of Dermatology , College of Medicine, The Catholic University of Korea , Seoul , Korea.
authors.forename: Young Bok
authors.initials: YB
authors.lastname: Lee
authors.affiliation: a Department of Dermatology , College of Medicine, The Catholic University of Korea , Seoul , Korea.
authors.forename: Sae Mi
authors.initials: SM
authors.lastname: Park
authors.affiliation: a Department of Dermatology , College of Medicine, The Catholic University of Korea , Seoul , Korea.
authors.forename: Jin-Wou
authors.initials: JW
authors.lastname: Kim
authors.affiliation: a Department of Dermatology , College of Medicine, The Catholic University of Korea , Seoul , Korea.
authors.forename: Dong Soo
authors.initials: DS
authors.lastname: Yu
mesh_terms: D000933:Antifibrinolytic Agents / Q000627:therapeutic use*; D004396:Coloring Agents / Q000009:adverse effects; D003131:Combined Modality Therapy; D003357:Cosmetic Techniques; D017449:Dermatitis, Allergic Contact / Q000209:etiology; D005260:Female; D006202:Hair Dyes / Q000009:adverse effects; D006801:Humans; D017495:Hyperpigmentation / Q000209:etiology / Q000532:radiotherapy*; D053844:Lasers, Solid-State / Q000627:therapeutic use*; D028022:Low-Level Light Therapy / Q000379:methods*; D008875:Middle Aged; D009285:Naphthoquinones / Q000009:adverse effects; D014148:Tranexamic Acid / Q000627:therapeutic use*
chemical_list: D000933:Antifibrinolytic Agents; D004396:Coloring Agents; D006202:Hair Dyes; D009285:Naphthoquinones; D014148:Tranexamic Acid; C005090:lawsone
keywords: Allergic contact dermatitis; henna; laser; post-inflammatory hyperpigmentation; tranexamic acid