The common causes of itching all over the body after 12:00 pm include scabies, insect bite dermatitis, urticaria and so on.
1. Scabies: the direct cause of scabies is the scabies mite parasites in the epidermis of human skin, mostly in the vulva, finger cracks, abdomen, armpits and other weak parts of the skin, manifested as pinpoint-sized pimples, pimples, etc., the rash scattered, symmetrically distributed throughout the body or only occur locally, the skin itches intensely, and often aggravated at night.
2. Insect bite dermatitis: insect bite dermatitis is caused by mites, mosquitoes, bedbugs and other insect bites or venomous sap stimulation, if bitten by mites, there will be edematous windswept pimples, pimples, or petechiae with small blisters and occasional blisters and other symptoms, itching is obvious.
3. Urticaria: this disease can be caused by food factors, physical stimulation, drug factors, manifested as limited edema of the skin elevated masses, masses of pink or pale white, surrounded by a red halo, itching, itching night aggravation and other symptoms.
It is recommended that patients according to their own situation, if necessary, to the regular hospital dermatology consultation, follow the doctor’s instructions to clarify the diagnosis, active treatment, to avoid delaying the condition.