Summer allergic dermatitis symptoms, these four types need to be understood

In the hot summer, many skin diseases will appear on people. Among them, allergic dermatitis is the most common one. So, what are the symptoms of allergic dermatitis in summer?

1. Contact dermatitis:

When the skin and mucous membranes come into contact with external allergens, erythema, blisters, blister packs and even necrosis will appear on the body.

2. Symptoms of hormone-dependent dermatitis:

The skin will show obvious symptoms such as erythema, papules, desquamation, irritation, etc.

3. Seborrheic dermatitis symptoms:

It is common in areas with strong sebum secretion, such as the head, face, chest, etc. It starts as mildly erythematous patches covered with grayish-white bran-like scales, accompanied by mild itching, and the rash expands. In severe cases, it is accompanied by exudation, thick crusts, and a foul odor, and can invade the entire head.

4. Symptoms of cosmetic dermatitis:

In mild cases, there is only local skin itching, a few scattered small red papules, erythema and mild swelling. In severe cases, there is local skin edema, diffuse erythema, water scars of varying sizes, and even exudative erosion.

① Itching, especially at night, reduces the quality of sleep, thus affecting work, study and life;

② Frequently scratching the itchy area with your hands. If you scratch it for a long time, it may aggravate the dermatitis and cause secondary and infection of other diseases;

③ If allergic dermatitis occurs on exposed parts such as the face, it will affect the appearance, make the patient feel inferior and depressed, and have an adverse effect on the patient's physical and mental health.