Small acne on the body very itchy how to return a responsibility

Small acne on the body, accompanied by itching symptoms, this acne is actually a manifestation of rash. There are many reasons that can lead to rash on the patient, most of which are related to allergies. Allergy can lead to allergic urticaria, allergic eczema and allergic dermatitis, all of which can lead to itching and rash on the patient.