Every summer, hospital dermatology clinics are particularly busy because of the strong summer sun, hot climate, a variety of toxic insects breeding, skin is also more fragile, not only will many skin diseases, but also easy to make the original skin disease aggravated, so the summer should be particularly active in the prevention of skin diseases. Summer common skin diseases are the following: a. Photosensitive skin disease This is the human skin reaction to strong summer sun exposure, mostly seen in fair-skinned people, photosensitive skin, exposure to the sun or ingestion of certain foods containing photosensitive substances (such as amaranth, celery, parsley, etc.) or drugs, etc., in the exposed areas of the skin, erythema, swelling, and even blisters, itching and pain, mostly seen in face, exposed parts of the limbs, and the bare back if swimming in the hot sun, usually called solar dermatitis. In addition, lupus erythematosus, freckles and other skin diseases can also be aggravated by sun exposure. Suggestions: Avoid prolonged exposure to the sun in summer, and go out with good protection. Once solar dermatitis occurs, you cannot apply drugs and scratch indiscriminately. You can first wet compress the red and swollen parts with clean cool water, apply moisturizing protective creams and hormonal ointments, and go to the hospital if you can’t get relief to avoid adverse consequences. Second, contact dermatitis Because of the summer skin problems, many people like to use flower lotion, windex and some topical drugs to deal with their own skin lesions, often leading to contact dermatitis. Its symptoms are contact parts of the skin occurs in clear boundaries of erythema, swelling, blisters of various sizes, etc., since the burning, itching or pain, sometimes a large area, very painful. There are also hot and sweaty summer days, and metal objects in contact with the parts of the body, such as eyeglass frames, belt buckles, watches, necklaces, etc. are also prone to contact rash. Suggestions: Many people are not suitable to use topical drugs containing fragrance, alcohol, etc. Even therapeutic use of drugs must have indications, and random use of drugs often causes skin damage. Summer contact metal parts to beware of, because sweat will make the surface coating of metal objects oxidation, easy to cause skin allergies, contact dermatitis to get away from contact with allergic substances, you can try hormonal creams, but the best exposed parts of the skin lesions to hospital treatment, to avoid serious pigmentation. Three, insect bite allergy summer temperatures, mosquitoes and insects, the skin is most vulnerable to a variety of toxic insect bites attack. Especially in the exposed parts of the face, hands and feet, arms, legs and other parts, often occur in various sizes of red bumps, itching is very intense, allergies will also be serious blisters. There is also a kind of cryptomeria dermatitis is more special, in the lesions will be dense small pustules, very painful. And t mite dermatitis is mostly seen occurring in the parts of the limbs that are in contact with grass t. The red papules are itchy to the core. Suggestions: outdoor activities in summer should be well protected from toxic insect bites, and prevent the infestation of toxic hairs of insects on trees when it is windy. Usually pay attention to indoor and outdoor hygiene, mosquito control and mosquito prevention work, the lack of protection for infants and children to use mosquito nets. After the occurrence of insect bite dermatitis can be used glyburide lotion and dermatoprost ointment, if necessary, you can take oral anti-allergy drugs. If serious, go to the hospital to ask the doctor to deal with. The first thing you need to do is to get rid of the sweat, which is caused by excessive sweating and swelling of the sweat ducts, or too much sweat is not removed in time to cause skin irritation, such as prickly heat, herpes sweat, summer dermatitis, etc. It is common in infants and children with poor resistance and people working under the hot sun. Suggestions: do a good job of heat protection, timely removal of sweat, infants and children can take oral honeysuckle lotion, more bathing and diligent change of clothes, and keep the skin dry and clean with prickly heat powder to prevent secondary skin infections. Five, microbial infectious skin disease Because of the high temperature, bacteria and fungi are prone to multiply, coupled with sweat impregnated skin, the skin barrier is damaged, causing a hotbed of growth for pathogenic microorganisms. Therefore, staphylococcal, streptococcal and fungal infections are easily incurred, such as folliculitis, impetigo, boils, lichen planus, ringworm and ringworm. Suggestions: For fungal infections such as ringworm, tinea pedis and ringworm, you can use topical rubs such as terbinafine or bifenazole ointment. For large areas with long duration of disease, it is recommended to go to a hospital dermatology department for treatment and it is safer to take antifungal drugs under the guidance of a doctor. In the case of bacterial infections such as folliculitis, impetigo, boils and abscesses, antibacterial therapeutic drugs should be applied topically or taken internally and must be treated in a hospital to avoid complications caused by skin infections.