Complications of Ringworm are very rare, although certain conditions may be precipitated:
- Spread: Spreading of the lesions to other parts of the body is the most common complication of ringworm.
- Bacterial Infection: Secondary infection of the lesions of Ringworm may result in painful cysts or abscesses.
- Kerion: A condition occurring occasionally, ringworm of scalp may lead to severe painful inflammation of scalp with pus formation and thick yellow crusts on the scalp.