What is the difference between mite dermatitis and urticaria?
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What is the difference between dermatitis and urticaria? Dermatitis and urticaria are two different types of skin diseases. For the difference between dermatitis and urticaria, we can understand the causes of dermatitis and urticaria, as well as the presentation of symptoms. Then, let's go to understand the specific situation.
What is the difference between mite dermatitis and urticaria?
Mite dermatitis usually occurs in warm and humid seasons in summer and autumn. Generally, after being bitten, the local skin itches first, especially at night. It is persistent itching. Local edematous erythema, papules, papules, herpes, wheezes, and insect bite petechiae are common in the center. It first occurs in the contact or exposed parts of the body, and then invades the covering parts of clothes, especially the neck and trunk, The upper limb is the second, and the face and lower limbs are rare. In severe cases, the rash can spread all over the body.
The etiology of urticaria is very complex, but the root cause is the patient's allergic constitution, many can cause the disease. Penicillin, sulfonamides, furazolidone, serum vaccine, etc. often cause urticaria through immune mechanism, and inhalation allergy can also cause urticaria, such as inhalation of dust (dust contains a large number of dust mites, microorganisms, small insects, plant and various fiber debris, fungal spores, etc.), pollen, animal dander and feathers, spices, pesticides, interior decoration paint, etc.
Dermatitis may be caused by mechanical contact, abrasion of nuchal ring, self contusion, scratch, traumatic dermatitis, scald, frostbite, radiation injury, etc. May also be due to chemical, chemical bath agents rub irritant drugs, purulent secretions long-term stimulation. Fungal, Microsporum, Microsporum gypsum, Trichophyton mentagrophytes. Parasitic, such as Demodex, scabies, cicada, lice, flea, Schistosoma, hookworm, etc. In addition, food allergy and drug allergy can lead to dermatitis.
matters needing attention
What is the difference between dermatitis and urticaria? I believe you know the difference between dermatitis and urticaria through the above introduction. The occurrence of dermatitis is mostly related to physical or chemical irritants, while urticaria is mostly related to allergic factors. I hope the above introduction can help you distinguish dermatitis and urticaria in time.
