Ringworm in head hair: what to know

The infection lives in the outer skin and may invade hairs growing from the scalp. You might see flaky areas, small broken hairs, a rough patch, or itching that is easy to mistake for dandruff. Hair changes can be more important than the shape of the rash. Other problems, including inflammation from hair products or tight styles, can cause similar signs, so a clinician may need to examine hairs or skin before treatment.

Avoid sharing combs, scarves, caps, towels and pillows while you arrange an assessment. Clean or replace hair tools that touch the affected area, wash bedding, and avoid scratching or tight hairstyles. Keep the scalp gently clean. A shampoo may support hygiene and reduce surface spread, but suspected infection in hair may require oral medicine. You can learn more through [Ringworm](/conditions/ringworm/) and [Skin Rash](/symptoms/skin-rash/).

Seek care promptly for scalp pain, pus, a soft swollen area, fever, swollen glands or quickly worsening hair loss. Make an appointment if broken hairs or a persistent scaly patch are present, especially in a child, or if home treatment has not helped. A clinician can separate scalp ringworm from other causes and choose appropriate [Oral Antifungal Treatment](/treatments/medical-dermatology/oral-antifungal-therapy/).

Could tight styling or a hair product explain the changes? Is the hair breaking or shedding from the root? Should I use a shampoo alongside prescribed medicine? How do I reduce spread at home?