ResMed is unable to provide specific guidance or advice regarding medical concerns arising from the use of CPAP/APAP equipment, masks and/or accessories. Patients should consult with a licensed medical provider for diagnosis, professional medical advice, or treatment guidance. As a manufacturer of devices, ResMed is not licensed to dispense such advice. We encourage you to contact your medical provider directly to discuss any treatment concerns. We are happy to assist you should you have any general questions or feedback about our products.