Nail Changes can arise from 2 documented medical conditions. Understanding the clinical context helps identify urgent causes early.
Alopecia Areata
Alopecia areata is an autoimmune condition causing patchy hair loss when the immune system attacks hair follicles. It can progress to total scalp (alopecia totalis) or body hair loss (alopecia universalis); intralesional corticosteroids and JAK inhibitors are effective.
Lichen Planus
Lichen planus is an inflammatory condition affecting skin, mucous membranes, and nails, causing intensely itchy, flat-topped, purple papules. Oral lichen planus can cause erosive lesions; topical and systemic corticosteroids are used for treatment.
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