Hair · Pattern guide
Patchy or sudden hair loss
New patches, thinning or rapid shedding. Guidance, not a diagnosis.
Browse concerns Story cardWhat it looks like
Signs
smooth bald patchessudden sheddingwidening parteyebrow or eyelash loss
What may help
Options
early cause-findingdermatology review
When to get help
Pause here
New patchy, sudden or scarring hair loss needs early assessment because causes and treatments differ.
Sources
Checked links.
Reviewed July 2026
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