The weather is getting hotter and hotter, it is difficult to sleep at night, if coupled with a mosquito, to your bite, it is absolutely unbearable, how to deal with insect bite dermatitis, you must know the following content.
Insect bite dermatitis refers to insect bites human skin and inflammatory skin disease, insect bite dermatitis can also be called “papular urticaria”, mainly related to the bite of arthropods, such as common mosquitoes, whiteflies, midges, gnats, bedbugs, fleas, lice, mites, to spring, summer and autumn. Due to the differences in insect species and organism reactivity, different skin reactions can be caused at the bite.
Clinical characteristics
1. Age: Most common in children, but can also occur in adults.
2. Season: summer and autumn.
3, site: mostly located in exposed areas, but non-exposed areas can also occur.
4, lesions: local redness and swelling, often in the shape of a pike, the surface can appear blisters and blisters, the center of the lesions sometimes visible bite marks.
5.Symptoms: itching, sometimes stinging, burning pain.
6, the course of the disease: generally 1 to 2 weeks to subside, such as secondary infection, it can be extended for a longer period of time.
7, prognosis: If the cause of the disease can not be removed, the original lesions fade, there will be new lesions.
8. Preferred site: exposed areas.
9.Histopathology: superficial and deep dermal perivascular and collagen interfibrillary lymphocytes, histiocytes and eosinophils infiltration. Limited focal epidermal acantholytic edema and dermal papilla edema, and in severe cases, intraepidermal or subepidermal blisters may form.
Prevention
The disease is most common in children and is relatively heavy, but most children with age, the incidence will decline, and even if it occurs, it is often relatively light, which is due to repeated bites produce desensitization reactions.
1. Pay attention to personal and environmental hygiene, change clothes and blankets regularly.
2, eliminate bedbugs, fleas, lice and other insects.
3, as soon as there are prodromal symptoms or the appearance of the wind-swarm-like damage should be timely medication, can reduce the attack.
4, do not drink alcohol and eat irritating food. During the disease season, go to the countryside or parks less often.
5, straw mats should be washed and dried before use, which can reduce the occurrence of insect bite dermatitis by reducing the mites hidden in the straw mats.
6, pay attention to indoor hygiene, place mosquito nets, mosquito incense to repel mosquitoes. Outdoor activities should be well protected, wear long-sleeved clothes, appropriate spray mosquito repellent lotion.