Nostrils with red blood may be related to dry rhinitis, acute rhinitis and atrophic rhinitis and other diseases.
1. Dry rhinitis: under the action of chronic inflammation and environmental dryness and other factors, the mucous membrane of the anterior part of the nasal septum is dry, thin crusts or scabs are formed, and vesicles and superficial ulcers appear, which lead to the appearance of nasal dryness, itchy nose, nasal congestion, nosebleed and other symptoms, and the nostril is found to have red blood.
2. Acute rhinitis: acute inflammatory disease of the nasal mucosa caused by viral infection, the nasal mucosa is stimulated by inflammatory factors, congestion, swelling, blowing the nose, rubbing the nose, etc., a small amount of blood seepage can occur, manifested as red blood in the nostrils.
3. Atrophic rhinitis: autonomic dysfunction, endocrine disorders, chronic inflammation of the upper respiratory tract and other etiological factors, can be triggered by nasal mucosa, glands and bone atrophy, or due to digging the nose and blowing the nose forcefully to cause capillary damage, the appearance of the nostrils with red blood.
Redness in the nostrils may also be caused by deviated nasal septum, sinusitis and other diseases, so you can actively seek medical advice and systematic examination to clarify the diagnosis and cause of the disease.