When is steroid injection recommended for scarring alopecia?

Scarring alopecia damages hair follicles when inflammation is active. A dermatologist may place steroid medicine into selected tender, red, swollen or thickened areas to reduce that inflammation. The aim is to quiet disease activity and protect follicles that remain, not to restore a follicle that has already been replaced by scar tissue. Injections are generally considered when the affected area is limited or when a focused treatment is useful alongside a broader plan.

The diagnosis matters because several scalp disorders can resemble one another. Examination may include looking for scale, pustules, loss of follicle openings and a pattern of hair loss; a scalp sample may be needed. The medicine, strength and treatment interval are individual decisions.

Arrange a dermatology assessment if you notice expanding smooth patches, scalp burning, tenderness, redness, crusting or clusters of hairs emerging from one opening. Bring a list of scalp products and medicines, and mention previous injections or steroid reactions. Do not inject or apply strong steroid products without guidance. After treatment, follow instructions about washing and monitoring the sites; temporary soreness, a small dip in the skin or lightening of the skin can occur.

Seek prompt medical review if hair loss is rapidly spreading, the scalp becomes increasingly painful, or you develop pus, bleeding, marked swelling or fever. These findings can signal active inflammation, infection or another diagnosis that needs assessment. New eye symptoms, facial swelling or breathing difficulty after an injection require urgent help.

Ask whether your scalp shows active inflammation, whether a biopsy is needed, which areas are suitable for injection, and how progress will be checked. Ask what other treatment will be used to control disease beyond the injected spots and what changes should prompt an earlier visit.