Scalp fungus not only causes itching, flaking, hair loss, seriously affecting aesthetics but also affecting the patient's quality of life. The disease is easily confused because there are many types of lesions on the scalp such as impetigo, psoriasis, parakeratosis... and there are many types of fungi that cause the disease. In fact, many cases of scalp fungus, including children, are treated by their parents with folk remedies, resulting in severe inflammation of the scalp, hair loss and permanent scarring.

Children with impetigo for a long time, treated with dermatology but not cured, may have histiocytic syndrome.

Langerhans cell histiocytosis (LCH) occurs due to the overgrowth of Langerhans cells and leads to tissue damage, inflammation with symptoms in many organs. The disease is common in young children and children in the early stages of adulthood, so parents need to pay attention and be vigilant for some conditions such as persistent impetigo, because it can be a symptom of Langerhans cell histiocytosis.