Over time, additional patches can appear nearby or elsewhere on the body.

Scratching can also damage the skin and potentially contribute to secondary bacterial infection.

If a rash has remained for two months, particularly if it is getting larger, more numerous, itchy, painful, crusted, or irritated, it should be evaluated rather than simply ignored.

Treatment depends on the location and severity of the infection.

Some uncomplicated skin fungal infections can be treated with topical antifungal medications, while infections involving the scalp or extensive areas of skin may require prescription treatment.

3. Granuloma Annulare

Another condition that can produce ring-shaped marks is granuloma annulare.

Unlike ringworm, granuloma annulare isn't a fungal infection.

It can cause smooth, ring-shaped or circular areas made up of small bumps. The skin may be pink, reddish, brownish, or close to the child's normal skin color depending on the child's complexion.

Granuloma annulare can occur in children and may persist for months.

One clue that can distinguish it from ringworm is that granuloma annulare often doesn't have the prominent scaling and itching commonly associated with fungal infections.

However, appearance alone isn't always enough to distinguish the two.

A doctor or dermatologist may need to examine the lesion carefully.

4. Eczema and Other Forms of Dermatitis

Eczema can also create patches that become red, dry, itchy, and irritated.

Sometimes dermatitis can form roughly circular patches, making it look similar to a fungal infection.

Possible triggers include:

• Soaps
• Fragrances
• Detergents
• Sweat
• Clothing materials
• Skin-care products
• Environmental irritants

If the child frequently scratches the area, the skin can become increasingly inflamed.