A red and itchy nose may be allergic rhinitis, contact dermatitis, rosacea, etc.. You should consult a doctor in time to find out the cause of the disease.
1. Allergic rhinitis: a chronic inflammatory disease of the nasal mucosa caused by genetic, inhalation allergens, allergic food and other factors. Patients will appear nasal mucosa congestion, edema and other symptoms, and accompanied by itching, which is manifested as a red, itchy nose.
2. Contact dermatitis: it is an allergic reaction caused by skin contact with exogenous substances, such as insect toxins, plants or cosmetics. The disease causes redness, pimples and itching in the affected area, so it can also manifest as a red, itchy nose.
3. Rosacea: It may be related to genetic factors, neurovascular dysfunction, skin barrier dysfunction and other factors. The patient’s nasal capillaries are dilated, accompanied by itching, thus manifesting as a red and itchy nose and other manifestations.
The nose is red and itchy, there may be other reasons, should be timely consultation, please doctor to clarify the specific causes, if necessary, the corresponding treatment.