How common is hair loss in scalp ringworm?

Scalp ringworm is a fungal infection affecting the scalp and hair shafts. Hair may break close to the skin, leaving uneven stubble or patches that look thinner. Scaling, itch, tenderness, redness, or small dark points where hairs have broken can occur alongside the loss. The appearance can overlap with other scalp conditions, so hair loss alone does not identify the cause. A clinician may examine the scalp and take a sample when needed.

Arrange a medical assessment if a child or adult develops patchy scalp hair loss, especially when scaling or itch is present. Scalp ringworm generally needs prescription antifungal medicine taken by mouth because shampoo alone may not reach the infection inside the hair. Use any prescribed treatment for the full instructed course, avoid sharing combs, brushes, hats, towels, or pillowcases, and wash items that touch the scalp as advised. Close household contacts or pets may need assessment if infection could be spreading.

Seek prompt care for a painful, swollen, or soft area of the scalp, pus, fever, rapidly expanding patches, or marked tenderness. These features can signal a stronger inflammatory reaction that may scar hair follicles if treatment is delayed. Urgent assessment is also sensible when hair loss is sudden, widespread, or accompanied by illness. Do not scratch, shave over, or apply steroid cream to a suspected fungal patch without professional advice.

Ask whether the scalp needs a fungal test, which treatment is suitable, how long it should be used, and whether family members or pets should be checked. You can also ask how to clean shared hair tools and what changes would suggest that the infection is responding.