There are many reasons for nosebleeds on the left side of the nose, and the common reasons are dry air, trauma, deviated septum, infection, tumor, and chronic diseases of the body.
1. Dry air: dry indoor air, high temperature dust and other stimuli can cause the nasal mucosa to dry and crust, which leads to the left side of the nose is always nosebleed.
2. Trauma: Nasal trauma, craniofacial bone fracture and nasal surgery can also lead to nosebleeds on the left side of the nose.
3. Deviated septum: The mucous membrane at the convex surface of the deviated septum is easy to dry out and the blood vessels are ruptured, which can also lead to nosebleeds on the left side of the nose.
4. Infection: acute and chronic rhinitis, or sinusitis and nasal syphilis, etc., may cause vasodilatation, mucous membrane erosion, can also cause the left side of the nose is always nosebleed.
5. Tumor: Nasal hemangioma, nasopharyngeal angiofibroma and other neoplastic diseases, can also cause the left side of the nose is always nosebleed.
6. Chronic diseases: such as high blood pressure, leukemia, hemophilia, lack of vitamins, etc., can also cause the left side of the nose is always nosebleed.
The left side of the nose is always nosebleed, there may be other reasons, need to go to the hospital in time to check.