The pimples here generally refer to the medical red spots and pimples. Suddenly a lot of pimples on the body especially itchy need to be treated according to its causes, such as fungal infections, scabies, contact dermatitis, folliculitis, etc., after a clear diagnosis to choose the general treatment or drug treatment. 1. Fungal infections: fungal infections on the body can cause a lot of pimples suddenly itchy phenomenon. Treatment can follow the doctor’s instructions to use ketoconazole cream, terbinafine hydrochloride cream for external use, if necessary, oral itraconazole. 2. Scabies: due to the body skin infection caused by scabies, there will be a lot of pimples suddenly grow especially itchy. At this time you need to use topical sulfur ointment, itching is obvious when you can give oral antihistamines such as cetirizine and other drugs. At the same time, we should pay attention to intimate apparel, bed linen, covers of the thorough disinfection, avoid sharing clothes, towels and other personal items to prevent cross-infection. 3. Contact dermatitis: contact with allergens or irritants can lead to a lot of pimples on the body suddenly itchy, treatment can be prescribed antihistamines to improve the symptoms, such as loratadine, cetirizine, etc., at the same time can be combined with the topical application of Dinocaprolactone cream. At the same time to avoid re-exposure. 4. Folliculitis: the body suddenly grew a lot of pimples especially itchy may be due to folliculitis, usually due to bacterial infection caused by the treatment of mupirocin ointment, erythromycin ointment topical use as prescribed. There are many reasons why the body suddenly grew a lot of pimples especially itchy, after the symptoms, we recommend that the patient go to the hospital in time to improve the examination, follow the doctor’s advice to take standardized treatment.