CPAP discomfort often has a practical cause that can be addressed, but persisting through pain is not the goal. Describe the symptom and when it happens so your provider can distinguish a fitting problem from a treatment issue.
Dry nose or mouth
Check whether the humidifier is set up as instructed and whether the chamber runs dry. Dry mouth can also accompany mouth leak with a nasal mask, but it does not prove that this is the cause. Nasal blockage, medicines and other conditions can contribute.
Use only the comfort controls you have been shown. If dryness continues, ask for a mask and nasal-symptom review. Do not start medicated sprays or repeatedly increase humidity without understanding the problem.
Red marks, soreness or air near the eyes
A brief pressure mark differs from persistent pain, blistering or an open sore. Check cushion position, size and strap tension. Overtightening can distort the cushion and worsen the seal. Ask for a refit if a mask presses on the same sore area or directs air toward your eyes.
Follow the mask's cleaning instructions and keep incompatible creams or cleaning products away from materials that may be damaged by them. Eye pain, visual change or significant skin injury needs medical assessment.
Bloating or swallowed air
Some users notice belching, abdominal fullness or discomfort. Tell the team whether it starts with treatment, occurs every night or is accompanied by reflux symptoms. Leak, pressure delivery and other digestive problems may need assessment.
Do not lower pressure or change to a different mode yourself. Severe or persistent abdominal pain, vomiting or marked swelling should not be dismissed as a routine CPAP effect.
Feeling confined or struggling with pressure
Ask for a fitting demonstration and supported practice while awake. Knowing how to release the mask can help. A different interface or an approved comfort feature may be useful, but the choice should preserve effective treatment. Sedatives are not a do-it-yourself solution to mask anxiety.
If the device seems to switch pressure out of step with your breathing, describe the sensation to the prescribing team, particularly if you use bilevel support.
Water, noise and interrupted sleep
Condensation, hose pull and a loose connector can disturb sleep even when the event count looks reassuring. Inspect accessible connections and follow the manual for water handling. Persistent noise, unusual smell or a damaged component needs a provider check.
Seek urgent medical help for severe breathing difficulty, chest pain or new confusion. For other ongoing problems, bring the mask and recent report to a review so the adjustment addresses the cause.
Related reading: CPAP leaks: vent flow, mask leaks and mouth leaks; Water in the CPAP hose: how to address rainout

