Lichenoid Drug Eruption Induced by Teriflunomide

Abstract

Lichenoid drug eruptions are a type of skin reaction that is caused by medication and mimics idiopathic lichen planus. Various medications have been known to cause lichenoid drug eruptions, such as antibiotics, anti‑convulsants, anti‑diabetics, anti‑malarials, anti‑tubercular drugs, anti‑hypertensives, psychiatric drugs, chemotherapeutic agents, diuretics, heavy metals, and non‑steroidal anti‑inflammatory drugs. Various cutaneous side effects have been reported in association with teriflunomide. We present the case of a patient who developed a lichenoid eruption because of teriflunomide. The dermatologists and neurologists should be aware of these skin side effects.