What's the matter with the small bumps on the head? Or these reasons

Many people in life have experienced red bumps on the head. This phenomenon not only causes many discomforts to the body, but also affects people’s normal life. So what exactly is the matter with red bumps on the head?

Category 1: Urticaria

It is a common itchy allergic skin disease. Clinically, the disease is characterized by the sudden appearance of wheals on the skin and mucous membranes, which occur in no fixed location, appear and disappear from time to time, are extremely itchy, and disappear without leaving any trace.

Category II: Dermatitis

It is also a common type of skin inflammation. Some patients have raised papules and unbearable itching. Long-term scratching of the skin may cause the skin inflammation to worsen and lead to secondary infection with other diseases.

Category 3: Eczema

Allergic disease, a type IV allergic reaction. Among them, autosensitive eczema is a special type of eczema, which is caused by the patient's allergy to certain substances produced by his own internal organs or skin tissues.

Category 4: Tinea corporis

Tinea corporis, also known as "ringworm" or "ringworm", is caused by Trichophyton, Microsporum or Epidermophyton.