What should you know about active alopecia areata?

Activity may be suggested by new bald patches, enlargement of existing patches, short broken or tapered hairs near an edge, or ongoing shedding. A dermatologist combines the history with scalp examination rather than relying on one sign.

Alopecia areata occurs when immune inflammation disrupts the normal hair-growth cycle. The skin in a patch often looks smooth, without the thick scale or scarring seen in some other forms of hair loss. Nails, eyebrows, eyelashes or other body hair can also be involved.

Active disease describes current change, not a prediction of the final extent. Dermoscopy can reveal characteristic hairs and help compare visits. Photographs taken with the same lighting and hairstyle can document whether patches are stable, expanding or filling in.

Arrange an assessment when patches are new or changing. Treat hair gently, avoid tight styles and camouflage areas if that helps confidence. Sunscreen or a hat protects exposed scalp, while ordinary shampooing and careful brushing do not cause the immune process to spread.

Treatment depends on the sites, extent, pace, age, medical history and personal priorities. Options a dermatologist may discuss include topical corticosteroids, small steroid injections into selected patches, oral medicines or immune-targeting JAK inhibitor treatment. Each option has different monitoring needs and potential side effects.

Seek timely review for rapid shedding, many new patches, eyebrow or eyelash loss, or substantial distress. Pain, pus, marked redness, heavy scale or scarring are not typical features of uncomplicated alopecia areata and should be assessed promptly for another scalp disorder. Eye irritation after eyelash loss also merits clinical advice.

Ask which examination findings show activity, how progress will be recorded, and whether your pattern warrants tests for another diagnosis or associated condition. Discuss the aim of each treatment, required monitoring, possible adverse effects, and what the plan will be if patches continue to expand.