What are the common causes of itchy skin and blisters?

The hot summer is always accompanied by cool clothing and flying mosquitoes. Various skin diseases are "reviving" and even have a tendency to become more and more serious. Therefore, it is particularly important to prevent various skin diseases in summer. So what are the possible causes of itchy skin and blisters?

1. Summer dermatitis

In summer, the temperature and humidity are high, and sweat is not easy to evaporate, which can cause blockage of sweat ducts and poor sweat excretion, causing papules and deep blisters under the skin, and leading to severe itching. Therefore, timely discharge of human sweat and keeping the environment ventilated and heat-dissipating can effectively prevent summer dermatitis.

2. Tinea versicolor (tinea versicolor)

The salt and waste contained in human sweat are harmful to the skin. After sweat adheres to the body surface, it is decomposed by bacteria. The organic matter produced can accelerate the reproduction of bacteria and other microorganisms and the oxidation of sebum, causing infections such as tinea versicolor. It manifests as flaky erythema in areas with active sebum secretion such as the chest and proximal upper limbs, with bran-like scales on the surface, which affects the appearance. To prevent tinea versicolor, the most important thing is to wash and dry it in time after sweating, take a bath frequently, keep dry, and destroy the microenvironment that is conducive to the growth of bacteria and other microorganisms.

3. Papular urticaria

Summer is the season for showing off your good figure by wearing tank tops, shorts and skirts. However, cool clothing provides an opportunity for arthropods such as mosquitoes to take advantage. After being bitten by an arthropod, a spindle-shaped wheal-like papule may appear, with a punctate blood crust in the center from the mosquito bite. Some papules may show tension blisters, and the rash is accompanied by severe itching, which affects sleep. Wearing long-sleeved clothes and spraying mosquito repellent when going out to prevent mosquito bites can prevent papular urticaria from the source.

4. Solar dermatitis

The cool sea breeze on your face is charming, but a day of sun exposure at the beach may leave you not only with beautiful tanned skin, but also with severe sunburn. It manifests as edema, erythema, and blisters on the exposed parts of the face and limbs, accompanied by severe pain, and even long-term pigmentation after the erythema subsides. The most effective preventive measure is to avoid exposure to the sun, do a good job of sun protection, and spray sunscreen. Use ice milk to cool down as soon as possible after sun exposure to prevent severe sun reactions.

5. Tinea pedis and tinea manuum

When the weather is hot, you will naturally sweat a lot. Wearing non-breathable shoes and socks after sweating hands and feet can accelerate the reproduction of fungi and cause recurrence of tinea pedis, which manifests as erythema, blisters, erosion, maceration, odor and severe itching, causing great distress to people. To prevent tinea pedis, the key is to keep the skin ventilated, clean and dry, wash hands and feet frequently, and avoid sharing shoes and socks with others.