Tumor necrosis factor (TNF) is a cytokine that regulates immunity by binding to the cytokine receptor (TNFR), which has a role in treating inflammatory, neoplastic, and autoimmune diseases. Medications, including etanercept, infliximab, and adalimumab, are examples of TNF-alpha blockers. Adalimumab is a fully human immunoglobulin monoclonal antibody approved for use in the treatment of psoriasis, psoriatic arthritis, rheumatoid arthritis, inflammatory bowel disease, and hidradenitis suppurativa according to the American College of Rheumatology. However, there are few reports of cases where its administration was associated with skin reactions. In the present paper, we report a case of a psoriatic male patient who developed a cutaneous reaction of the face following treatment with adalimumab.
Keywords: adalimumab; cutaneous hyperpigmentation; erythema dyschromicum perstans; psoriasis vulgaris; tumor necrosis factor (tnf).
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