CPAP Frequently Asked Questions: Equipment, Comfort and Support

CPAP is prescribed positive airway pressure therapy that delivers airflow through a mask to help keep the airway open during sleep.

The prescribing healthcare professional determines whether CPAP is appropriate based on clinical assessment, testing and treatment goals.

CPAP commonly delivers a fixed prescribed pressure, while APAP can adjust within a prescribed range according to the device’s algorithm.

Prescription requirements depend on the equipment, province, insurer and clinical pathway. Confirm the requirements before purchasing.

The appointment may include equipment review, mask fitting, humidifier and tubing setup, cleaning guidance, device controls and follow-up planning.

A system may include the machine, power supply, humidifier, tubing, filters, mask, headgear and carrying case.

Adjustment time varies. Learning the mask, airflow, humidification and bedtime routine may take practice and follow-up support.

Brief practice while awake can help some patients become familiar with the mask and airflow before bedtime.

Bring requested prescription or referral information, coverage details, current equipment and a list of questions.

Contact MedPro for equipment, mask, cleaning or supply questions, and the appropriate healthcare professional for clinical concerns.

A typical system includes a machine, power supply, tubing, mask, headgear, filters and optional humidification components.

Fixed-pressure CPAP delivers one prescribed pressure, while auto-adjusting CPAP operates within a prescribed range.

A compatible humidifier adds moisture to the airflow and may help with dryness or comfort when used as directed.

Heated tubing is compatible tubing designed to help manage air temperature and condensation when supported by the machine.

These features may change how therapy begins or how exhalation feels, but they are not the same as changing prescribed clinical settings.

Do not independently change prescribed pressure settings. Questions about therapy settings require the appropriate clinical process.

Use only a power supply approved for the exact equipment model.

Messages vary by manufacturer and model. Record the exact wording, review the user guide and contact MedPro if it continues.

Some machines include automatic start or stop functions. Review the product instructions and confirm the setting with MedPro when needed.

Many masks are cross-compatible, but compatibility depends on the machine, tubing, mask design and prescribed setup.

Many devices record usage and other machine-specific information. Available data depends on the device and connectivity.

MedPro may be able to review equipment information or available device data within the applicable support process.

The mask should feel secure without excessive pressure, remain stable in the sleeping position and maintain a reliable seal.

Leaks may relate to cushion position, size, uneven headgear, tubing pull, facial movement or worn components.

Reposition the cushion and check assembly first. Excessive tightening can distort the cushion and worsen comfort or leaks.

Sleeping position, pillow contact, jaw movement and facial changes can alter the seal compared with sitting upright.

Movement may relate to headgear adjustment, mask size, tubing pull, sleeping position or worn components.

The cushion may be positioned incorrectly, the mask may be the wrong size or the upper seal may be leaking.

It should be secure rather than painful. The cushion should not be visibly crushed against the face.

Nasal masks cover the nose, nasal pillows seal at the nostrils and full-face masks generally cover the nose and mouth.

A different style may be appropriate, but fit, prescription needs, comfort and compatibility should be reviewed.

This may relate to leaks, discomfort, dryness, mask movement or difficulty becoming familiar with the equipment.

Stiffness, tears, discoloration, residue, continuing leaks or a need for extra tightening can indicate wear.

Arrange support when leaks, discomfort, sizing concerns or repeated adjustments continue.

Dry mouth may relate to mask leak, mouth breathing, humidification, room conditions or other factors.

Nasal dryness may relate to humidification, leaks, airflow, environmental conditions or clinical factors.

Congestion can have several causes. Review equipment factors and contact the appropriate healthcare professional if it continues or concerns you.

A compatible humidifier adds moisture to the therapy airflow according to the device’s settings and instructions.

Use only the controls demonstrated for the device and follow manufacturer guidance.

Condensation may relate to humidification, room temperature, tubing position or heated-tubing configuration.

Rainout is condensation that collects in the tubing or mask.

A cooler room can increase condensation when warm humidified air moves through the tubing.

Follow the equipment instructions and empty the chamber before transport.

Use the water type specified by the equipment manufacturer and local guidance.

Possible causes include settings, leaks, room conditions, chamber fill level or equipment condition.

Seek clinical guidance when symptoms are new, worsening, persistent or not resolved through equipment support.

Cleaning frequency varies by manufacturer, model and component. Follow the schedule in the product instructions.

No. Some parts are washable, while the machine, power supply and certain filters require different care.

Use only products allowed by the instructions for the exact component.

Separate and clean it using the method in the mask instructions, rinse thoroughly and allow it to air-dry.

Use the tubing-specific method and allow the tubing to drain and dry fully before reconnection.

Follow the chamber instructions, including approved cleaning, rinsing, descaling and drying methods.

Allow components to air-dry as directed and avoid unapproved direct heat.

Reconnect and use components only when dry according to the manufacturer’s instructions.

The machine exterior is not cleaned like washable parts. Keep liquids away from openings.

Only filters identified as reusable or washable may be cleaned. Disposable filters should be replaced.

Review the humidifier guidance and any approved descaling method.

Odour may relate to incomplete drying, residue, strongly scented products, filters or worn components.

Do not treat ozone or UV devices as a substitute for routine cleaning.

Stop using visibly damaged equipment when continued use may be unsafe and contact MedPro for guidance.

Use the schedule for the exact mask and replace the cushion sooner when leaks, stiffness, tears or loss of seal appear.

Follow the model-specific schedule and inspect for stiffness, damage, discoloration or reduced seal.

Replacement may be needed when the headgear remains stretched, no longer holds adjustment or has damaged fasteners.

Schedules vary. Replace tubing sooner when cracks, holes, loose connections or continuing odour appear.

Inspect for cracks, leaks, cloudiness, warping, damaged seals or buildup that cannot be resolved safely.

Follow the instructions for the exact machine and filter type.

Yes, when wear, damage, continuing leaks or reduced performance appear.

Cleaning can remove oils and residue but cannot repair stiffness, tears, distortion or loss of seal.

Confirm the manufacturer, model, component, size and part number.

Not always. Components can look similar while using different sizes, frames or connections.

Have the equipment manufacturer, model, size, part number and coverage information available.

MedPro can help identify compatible replacement options using the exact equipment details.

Noise may come from a mask leak, normal ventilation, tubing, connections, filters or the machine itself.

A cushion leak, loose connection or airflow through the mask may create whistling.

Airflow discomfort may relate to mask fit, leaks, dryness, comfort features or clinical settings.

Check the approved power supply, wall outlet, connections and display information.

Record the exact wording or code, review the user guide and contact MedPro if it continues.

Confirm the chamber or humidifier is seated correctly according to the equipment instructions.

Review power, tubing, humidifier and mask connections, and contact MedPro if the concern continues.

Replace damaged tubing rather than attempting a permanent repair.

A marginal seal, worn cushion, incorrect size or tubing pull may become more noticeable at higher airflow.

Stop using visibly damaged equipment when continued use may be unsafe and seek equipment support.

Contact MedPro when safe first checks do not resolve the concern or the next step is unclear.

Clinical support is appropriate for prescribed settings, treatment effectiveness, symptoms or diagnosis-related concerns.

CPAP machines are commonly permitted as medical devices, but current airline and security requirements should be confirmed.

Keeping essential equipment accessible and protected in carry-on baggage is generally preferable when permitted.

Medical-device allowances vary by airline. Confirm the carrier’s current policy.

The main electronic unit may need to be removed and screened separately.

Rules vary by country and airport. Confirm current medical-liquid requirements before departure.

Onboard use may require advance approval and an approved power source.

Do not assume aircraft power is available or approved for medical devices.

Spare lithium batteries are generally carried in cabin baggage with terminals protected, subject to airline limits.

Follow the airline’s runtime requirement and test the complete setup before travel.

Check the power-supply label and destination outlet.

Use only manufacturer-approved vehicle power accessories compatible with the exact machine.

Consider essential compatible cushions, filters, tubing or mask components based on trip length and destination.

Maintain the manufacturer’s cleaning routine and allow components to dry fully before packing.

Contact the carrier, MedPro and the appropriate healthcare professional if therapy is interrupted.

Many plans provide some coverage, but limits, preapproval, eligible frequency and patient costs vary.

Coverage differs by province and program. Confirm current eligibility rules before purchasing.

Standard BC PharmaCare does not cover CPAP machines, though private or separate assistance programs may apply.

Alberta Health Care Insurance does not generally cover standard CPAP equipment.

Eligible patients may receive funding based on the ADP-approved price through the required authorization and vendor process.

It may be covered, but additional prescription, documentation or authorization requirements may apply.

Some plans cover them separately or under a yearly maximum and replacement-frequency limit.

Many plans and programs require a prescription or clinical authorization.

Some plans require written approval before purchase.

Direct billing may be available in some situations, but not for every insurer, product or clinic.

The patient may owe a deductible, coinsurance, amount above the plan maximum or non-covered upgrades.

Travel or backup machines are often treated differently and may be excluded.

Coordination may be possible when two eligible plans exist.

MedPro can prepare an itemized equipment quote for applicable products and services.

Keep prescriptions, approvals, quotes, invoices, receipts and payment statements.

Some prescribed CPAP costs may qualify under current tax rules. Consult CRA or a qualified tax professional.

Bilevel PAP delivers one prescribed pressure during inhalation and a lower prescribed pressure during exhalation.

BiPAP is commonly used conversationally, while bilevel PAP or BPAP is the broader therapy category.

CPAP generally delivers continuous pressure, while bilevel delivers separate inspiratory and expiratory pressures.

IPAP is inspiratory positive airway pressure and EPAP is expiratory positive airway pressure.

A healthcare professional may prescribe it based on the patient’s clinical needs and required respiratory support.

No. Devices can use different modes, backup-rate capabilities and clinical settings.

Some bilevel devices can provide timed support when a breath is not detected within the programmed interval.

Do not independently change prescribed pressure, timing or ventilation settings.

Some masks may be compatible, but fit and equipment requirements should be reviewed.

Pressure changes between inhalation and exhalation can make a marginal seal more noticeable.

Follow the instructions for each component and the exact device model.

Some supplies may be shared across systems, while others are model-specific.

Coverage may require additional clinical documentation, prescription and preapproval.

Contact the appropriate healthcare professional or clinical program responsible for the prescription.

Arrange follow-up when leaks, comfort concerns, equipment questions or difficulty using therapy continue.

The visit may review mask fit, equipment use, cleaning, supplies, comfort concerns and available device information.

Bring the machine, mask, tubing, humidifier, power supply and relevant accessories when requested.

Yes. MedPro can review mask fit, component condition and compatible options.

MedPro can help identify care instructions, worn components and compatible supplies.

Many machines record usage and other equipment data, depending on the model.

Leak information reflects airflow escaping from the system and should be interpreted in the context of the device and mask.

Prescribed setting changes require the appropriate clinical authorization process.

Treatment effectiveness should be reviewed through the appropriate healthcare professional or clinical program.

Contact MedPro for equipment support and the healthcare professional for clinical concerns.

A support person may attend when permitted by the clinic and patient.

Call 1-888-310-1444 or contact a MedPro clinic.