Omalizumab induced lichenoid drug eruption triggered by sun exposure

*Kemeriz, Funda ( Aksaray, Yazar ) *Ordu, Melike ( Aksaray, Yazar )
Dear Editor Omalizumab is a humanized monoclonal antibody against human immunoglobulin E that is mainly indicated in asthma, allergic rhinitis, chronic spontaneous urticaria and is being increasingly used for other dermatological diseases, including atopic dermatitis, mastocytosis, hyper-IgE syndrome, and bullous pemphigoid.1,2 Rare cutaneous side effects, such as itching, skin rash, urticaria, and photosensitivity, have been reported to be associated with omalizumab use.