Common causes of itchy skin on the body in the middle of the night include insect bite dermatitis, chronic urticaria, chronic eczema, pruritus and other diseases.
1. Insect bite dermatitis: this disease is mainly caused by mites, mosquitoes, midges, bedbugs, fleas, ticks and other insect bites or poisonous sap irritation of the skin, manifested as a pinpoint bite marks, doughnuts, erythema, itching at night to aggravate and other symptoms.
2. Chronic urticaria: this disease can be caused by repeated physical stimulation, food factors, drugs, implants, diseases, infections, mental factors, etc. It manifests itself as limited edema elevations (doughnuts) surrounded by redness, accompanied by itching, aggravated at night and other symptoms.
3. Chronic eczema: the cause of this disease is unknown, which may be caused by contact with allergic foods, pathogenic microorganisms, adverse environment, inhalants, diseases, etc. It manifests itself as erythema, thickening, rough surface of the affected skin, accompanied by intense itching, aggravated at night, and other symptoms.
4. Pruritus: the causes of this disease are many, common causes include dry skin, visceral diseases, tumor factors, neuropsychiatric factors, endocrine abnormalities, etc., manifested as paroxysmal itching of the whole body or local skin, aggravated at night, scratching can appear after scratching, infections and other symptoms.
It is recommended that patients go to the dermatology department of regular hospitals, follow the doctor’s instructions to clarify the diagnosis, and actively treat the disease to avoid delaying the condition.