Some patients after the application of CPAP machine, there may be dry nose or nasal blockage, which can be caused by the following reasons.

Application of CPAP machines, 15% to 45% of patients appear nasal symptoms, mainly the feeling of nasal blockage, poor ventilation, few showed nasal dryness. The following reasons:

1). If you have nasal polyps, nasal septum deviation, your nose area may feel uncomfortable when using CPAP machine, which can only be applied after the surgical correction of the deformity. Patients with severe sinusitis should be treated accordingly  ENT first.

2). The cold air produced by the CPAP machine can stimulate the nasal mucosa, causing vasodilation and mucosal congestion and edema occurred in some patients with allergic rhinitis would be of acute onset. First of all, to strengthen the humidifier, if necessary, heating the water in the humidifier bottle, or even use the thermostat humidifier, nasal drops ephedrine in sleep and other agents also play a role in nasal mucosa contraction.

3) symptoms of dry nose sometimes performance is outstanding, strengthening of wet and warm gas inhaled will have better effect. Mandibular care to reduce the use of mandibular leakage is also important.