Itching on both sides of the nose may be related to allergic rhinitis, seborrheic dermatitis, folliculitis and other causes. 1. Allergic rhinitis: due to contact with pollen and other allergenic substances, it can cause the body to develop an abnormal immune response, resulting in chronic inflammatory reaction of the nasal mucosa, which is manifested as nasal itching, paroxysmal continuous sneezing, a lot of watery nasal mucus and nasal congestion, and so on. 2. Seborrheic dermatitis: it is a common skin disease, appearing in the nose, can appear on both sides of the nose itching symptoms. 3. Folliculitis: due to bacteria and other pathogens infected hair follicles, can cause local inflammatory reaction, itching on both sides of the nose. There are other possibilities for itching on both sides of the nose, and it is recommended that patients go to the hospital in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor.