Do I have the right mask size? I have to strap it so tight to obtain a seal that it hurts.

It’s important not to over-tighten your mask. Doing so may be a sign that you have the wrong cushion size or an incorrectly adjusted forehead support. If you’re using a ResMed mask that has a MicroFit dial, it’s important to note that your clinician has set the dial at the optimal position and adjusting it significantly from that position may cause discomfort. If you experience difficulties in fitting you mask, please refer to your mask user guide  for complete fitting instructions or discuss this with your medical equipment provider or physician.

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