It's very hot and my legs itch.

Under the influence of high temperature weather, there are many factors that may cause skin diseases, such as enhanced ultraviolet radiation, rising temperature, dry air, and a large number of insects. Susceptible people are inadvertently recruited and itchy. What skin diseases should we be alert to when the skin itches in summer?

Diseases caused by hot climate, high temperature, dust and other skin irritation. Skin lesions occur symmetrically on the trunk and limbs, especially on the extended side of the calf. It is characterized by large bright red spots, needle-to-millet-sized papules and papules With severe itching, scratches and blood scabs may appear after scratching, and the skin will be rough and thickened for a long time.

Eczema is a common allergic inflammatory skin disease in dermatology. Eczema is mainly caused by the contact of allergic people with external allergens or irritating factors. Eczema is characterized by a symmetrical distribution of rashes, which are polymorphic and often accompanied by different degrees of itching. Eczema is easy to recur.

After the occurrence of eczema, patients should pay attention to finding the causes and deal with them as much as possible, and also need to use drugs in time. Antihistamines are the first choice for the treatment of eczema, and glucocorticoids are often used in patients with severe eczema or eczema with poor antihistamines. During the treatment, patients should pay attention to light diet and try to avoid high-protein food and spicy food.

Dermatitis broadly refers to skin inflammatory reaction, including various skin diseases, and even eczema is a special type of dermatitis, including contact dermatitis, diaper dermatitis, hormone-dependent dermatitis, perioral dermatitis, eczema and so on. All belong to the category of dermatitis.

* * * The similarity is that in acute stage, the skin lesions in subacute stage and chronic stage are basically the same. For example, in the acute phase, no matter what type of dermatitis or eczema, erythema, papules or blisters will appear, mainly exudation and obvious itching;

In addition, erythematous papules are dominant in subacute stage; The chronic stage is mainly local thickening, lichenoid transformation, rough surface and desquamation. Therefore, no matter what kind of dermatitis, the manifestations in acute phase, subacute phase and chronic phase are basically the same. Treatment is to remove the cause according to the cause, and then symptomatic treatment is enough.

Rash is easy to appear in hot summer, mainly in wrinkles, which is due to excessive sweating and poor perspiration in sweat ducts, leading to inflammatory reaction on the surface of skin.

Clinically, it includes red prickly heat, white prickly heat, purulent prickly heat and deep prickly heat, mainly this kind of papules and herpes, which are common in the head and neck, armpits, groin and other parts, accompanied by burning or itching. It can be externally applied with calamine lotion to relieve itching and converge rash, and can also be treated with oral antihistamines such as loratadine, cetirizine and fexonadine hydrochloride. Patients with prickly heat should try to stay away from the hot environment and keep the living environment ventilated, which is conducive to the evaporation of sweat. At the same time, avoid scratching and prevent secondary infection. Take a bath often to keep your skin clean.

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