3.3 Side effects
When using the therapy device, the following undesired side effects may occur in short-
term or long-term use:
• pressure points on the face from the breathing mask and the forehead cushion
• reddening of facial skin
• blocked nose
• dry nose
• dry mouth in the morning
• feeling of pressure in the sinuses
• irritated mucous membrane in the eyes
• gastrointestinal insufflation of air (“bloating”)
• nosebleeds
• muscular atrophy in the case of long-term ventilation