A variable positive airway pressure (VPAP) machine (also known as bi-level positive airway pressure machines or BiPAP) is a bedside device that treats individuals with various obstructive sleep conditions, such as sleep apnea, chronic airway limitation (CAL) and certain neuromuscular disorders. A VPAP machine consists of an air pressure unit, tubing and a face mask to deliver air flow pressure through the patient's nose and into the lungs. The pressure varies based on whether the patient is inhaling or exhaling. As with other air pressure devices for treating sleep apnea, using the VPAP comes with certain side effects.
Head and Sinus Side Effects
VPAP machine users should be aware that possible side effects include headaches, sore eyes, discomfort in the middle ear, sinus pressure, and dryness in the nose, throat, lips and mouth.
Bodily Side Effects
Possible bodily side effects of using a VPAP machine include chest pain and bloating from the amount of air swallowed during treatment (aerophagia).
Adjustment and Psychological Side Effects
Some VPAP users report difficulty adjusting to sleeping with the constant sound or feeling of air rushing though the machine and mask. Some users also report feelings of claustrophobia from the face mask.
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