Reported Reactions

Devices › Ventilator, non-continuous (respirator)

Device brand name · Ventilator non-continuous respirator

DreamStation Auto CPAP: medical device reports filed with FDA

146,780 reports name it, 2016–2026. Manufacturer given most often on reports: Respironics. Product code BZD.

146,780
device reports naming the brand
0.6% of all MAUDE reports · about 14,938 a year
27,741
reports, 12 months to August 2026
31,693 in the 12 months before
86.4%
classified as malfunction
80.7% across the product code
0.9%
classified as death, as reported
1,341 reports · not verified by FDA

FDA's MAUDE database holds 146,780 reports that name the brand "DreamStation Auto CPAP" (ventilator non-continuous respirator), received between September 2016 and August 2026; the manufacturer given most often on reports is Respironics. Spellings of one product vary from report to report.

27,741 reports arrived in the 12 months to August 2026, down 12% from 31,693 in the 12 months before. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases. The event types recorded are malfunction (86.4%), injury (12.6%) and death (0.9%); across all ventilator, non-continuous (respirator) reports (product code BZD) death is recorded in 1.5% and malfunction in 80.7%. Event type is the reporter's classification of the report, not a verified outcome.

The device problems coded most often are degraded (98.7%), contamination (2.5%) and corroded (0.5%). The patient problems coded most often are headache, dizziness and dyspnea. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Reports by month, five years

06,38912,778Sep 2021: 204Oct 2021: 518Nov 2021: 587Dec 2021: 6572022Jan 2022: 1,480Feb 2022: 1,889Mar 2022: 1,831Apr 2022: 1,911May 2022: 6,167Jun 2022: 12,778Jul 2022: 8,615Aug 2022: 7,024Sep 2022: 4,240Oct 2022: 1,779Nov 2022: 1,991Dec 2022: 1,2102023Jan 2023: 1,725Feb 2023: 1,127Mar 2023: 644Apr 2023: 609May 2023: 837Jun 2023: 680Jul 2023: 1,059Aug 2023: 1,261Sep 2023: 926Oct 2023: 1,159Nov 2023: 1,453Dec 2023: 2,2682024Jan 2024: 2,107Feb 2024: 2,036Mar 2024: 2,150Apr 2024: 2,535May 2024: 3,749Jun 2024: 2,474Jul 2024: 2,464Aug 2024: 2,804Sep 2024: 2,610Oct 2024: 2,183Nov 2024: 2,253Dec 2024: 1,6292025Jan 2025: 1,701Feb 2025: 7,320Mar 2025: 9,185Apr 2025: 3,300May 2025: 548Jun 2025: 644Jul 2025: 252Aug 2025: 68Sep 2025: 95Oct 2025: 137Nov 2025: 2,045Dec 2025: 892026Jan 2026: 60Feb 2026: 998Mar 2026: 1,355Apr 2026: 96May 2026: 4,661Jun 2026: 8,186Jul 2026: 8,588Aug 2026: 1,431

Reports by the month FDA received them. FDA releases MAUDE data monthly; reports can arrive months after an event, so the newest months grow in later releases.

By year received

025,45850,9152016: 320162018: 320182019: 620192020: 620202021: 2,34620212022: 50,91520222023: 13,74820232024: 28,99420242025: 25,38420252026: 25,3752026

Event type and report source

Event type, as classified on the report

Death0.9%1,341
Injury12.6%18,555
Malfunction86.4%126,884
Other0%0
Not given0%0

Who filed the report

Manufacturer report100%146,722
Voluntary report0%58
User facility report0%0
Distributor report0%0
Not given0%0

Grey bar: all 303,240 reports carrying product code BZD. Event type is the filer's classification and is not verified by FDA.

Device problems coded

Device problem (FDA code)ReportsShareShare across product code
Degraded144,84598.7%95.4%
Contamination3,6562.5%4.4%
Corrodedthe device corroded7710.5%0.8%
Material integrity problema problem with the device material1610.1%0.2%
Device emits odor1260.1%0.2%
Noise, audible1080.1%0.1%
Contamination /decontamination problem910.1%0.1%
Insufficient device problem information880.1%0.2%
Overheating of device730%0.7%
Device contamination with chemical or other material600%0.1%
Smoking580%0.1%
Temperature problem560%0.1%
Activation problem500%0%
Device contamination with body fluid450%0%
Circuit failure440%0.1%
Fire440%0.1%
Failure to power up420%0.1%
Nonstandard device290%0.3%
Excessive heating270%0.1%
Mechanical problema mechanical problem230%0%

FDA's device problem codes as entered on the report; one report can carry several. Generic codes such as "no apparent adverse event" are left out.

Patient problems coded

Patient problem (FDA code)ReportsShare
Headachehead pain11,6838%
Dizzinesslight-headedness or unsteadiness8,1275.5%
Dyspneashortness of breath6,8664.7%
Cancer6,7054.6%
Asthmaasthma5,5393.8%
Respiratory tract infectiona respiratory infection5,3273.6%
Sore throat4,7953.3%
Coughcough3,8272.6%
Eye irritationeye irritation3,7202.5%
Nauseafeeling sick2,8341.9%
Skin inflammation/ irritation2,7101.8%
Inflammationinflammation2,5541.7%
Vomitingbeing sick2,0581.4%
Appropriate clinical signs, symptoms and conditions term/code not available1,8731.3%
Hypersensitivity/allergic reaction1,8561.3%

Patient problem codes are present mainly in reports filed since 2019 and are often blank.

In context

MeasureDreamStation Auto CPAPProduct code BZDAll MAUDE reports
Reports146,780303,24026,136,888
Share of that pool—48.4%0.6%
Classified as death, per 1,000 reports9159
Classified as injury12.6%17.7%36.2%
Classified as malfunction86.4%80.7%62.3%
Filed by the manufacturer100%99%94.9%

Shares are of reports, not of devices in use. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data."

Other brands with product code BZD

BrandReportsLatest 12 monthsClassified as death
REMstar Auto A-Flex19,6567,0831%
DreamStation Auto BiPAP15,3168711.8%
REMstar Pro C-Flex+14,6434,6891.2%
DreamStation CPAP13,8953362.5%
Philips CPAP Device12,779585.5%
DreamStation CPAP Pro10,7896740.8%
REMstar AutoA-Flex8,6591,7321.1%
REMstar Auto5,0891,4240.9%
BiPAP Auto BiFlex4,4871,3271.4%
DreamStation4,2101,7031.6%
REMstar Plus C-Flex3,6821,5820.8%
Dreamstation Auto3,150380.3%
DreamStation BiPAP Pro3,0491081.9%
REMstar Plus2,5814991.9%
Philips CPAP2,470114.3%

Ordered by report count for navigation only. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA also states that "common products may have a higher number of adverse events due to the higher total number of people using the product."

Questions about DreamStation Auto CPAP reports

How many FDA reports name DreamStation Auto CPAP?

146,780 medical device reports in the openFDA MAUDE release of 28 Sep 2026, covering reports received through August 2026; 27,741 in the latest 12 months.

What kinds of events are reported?

malfunction (86.4%), injury (12.6%) and death (0.9%). "Event type" is how the report was classified when filed: death, injury, malfunction or other.

What device problems are coded?

degraded (98.7%), contamination (2.5%), corroded (0.5%), material integrity problem (0.1%) and device emits odor (0.1%). These are FDA's device problem codes as entered on the report.

Who files these reports?

manufacturer reports (100%) and voluntary reports (0%). Manufacturers and user facilities are required to report; voluntary reports come from health professionals and the public.

Do these reports show that DreamStation Auto CPAP was at fault?

No. FDA states that "MDR data alone cannot be used to establish rates of events, evaluate a change in event rates over time or compare event rates between devices. The number of reports cannot be interpreted or used in isolation to reach conclusions about the existence, severity, or frequency of problems associated with devices." It adds that the reporting system "has limitations, including the potential submission of incomplete, inaccurate, untimely, unverified, or biased data." FDA adds that "a causal relationship cannot be established between product and reactions listed in a report."

How do I report a problem with a medical device?

Through FDA MedWatch (Form FDA 3500 for health professionals and consumers), or to the manufacturer. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Device Adverse Event (MAUDE) bulk export released 28 Sep 2026, which holds reports FDA received through 31 Aug 2026. Brand, generic and manufacturer names are as written on the reports; product code names come from FDA's device classification. A report counts here when any device it lists carries this brand name after punctuation and capitalisation are normalised. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.