The early stage of nasal fungal infection may show nasal congestion, nasal itching, pus nasal discharge, and there may be a special foul smell in the nasal discharge, and some of them may show blood in the nasal discharge. If you want to confirm the diagnosis of nasal fungal infection, it is better to do the culture of nasal secretion, and then use the corresponding antifungal drugs for treatment after clarification. In addition, nasal fungal infections can easily lead to bone destruction if invasion occurs, and in serious cases, it may lead to mucosal tissue hyperplasia and hypertrophy. In more serious cases, other complications may occur, such as protrusion of the eye and paralysis of the eye muscles, which may also cause vision changes. If the internal organs are involved, internal organ damage may easily occur, and in some cases, the head may be involved, resulting in fever, neck strength, or even coma.