Itchy nose can be roughly two cases: one, caused by inflammation; two, caused by allergies. Inflammation is often seen in acute rhinitis, that is, colds when the virus invades the nasal mucosa leading to itchy nose, runny nose, nasal symptoms can be relieved after the cold symptoms improve. If the itchy nose is due to chronic inflammation caused by frequent digging of the nostrils, i.e., nasal vestibulitis, as long as you do not dig your nostrils, the itching can slowly be relieved. A part of the patient is caused by allergic rhinitis, allergens stimulate the body symptoms, more itchy nose, sneezing, runny nose symptoms, this time you need to eat anti-allergy drugs cetirizine hydrochloride to ease the symptoms.