Dense small particles on both sides of the nose are usually caused by eczema and folliculitis or blackheads. 1. Eczema is usually due to a variety of internal and external factors caused by inflammatory skin diseases, manifested as pimples, itchy skin, small blisters and other symptoms, which will appear on both sides of the nose of the phenomenon of dense small particles, you can use chlorpheniramine maleate, levocetirizine, loratadine, and other drugs for treatment. 2. Folliculitis is usually due to a single hair follicle infection occurs purulent inflammation, manifested as red follicular papules, pustules, itching, pain and other symptoms, so that the sides of the nose will appear dense small particles of the phenomenon, you can use ichthyosin ointment, mupirocin ointment, cefdinir and other medications for treatment. 3. Blackheads are usually due to excessive sebaceous gland secretion, resulting in oil mixed with old keratin and dust and other clogging in the pores, and thus exposed to the air after oxidation showing black, so there will be dense small particles on both sides of the nose. Dense small particles on both sides of the nose first to determine the cause of the disease, usually can be treated by drugs, when the situation is serious need to go to the hospital in time, follow the doctor’s advice for treatment.