: A standard CPAP prescription typically covers the machine, humidifier , and the initial fully assembled mask. Items That DO and DO NOT Require a Prescription Prescription Required? CPAP/APAP/BiPAP Machines Yes All primary therapy devices require a script. Fully Assembled Masks Yes Complete mask systems require medical authorization. Individual Mask Parts No

Cushions, headgear, and frames can be bought separately without a script. No Basic maintenance supplies are available over-the-counter. Humidifier Chambers No

: Legitimate online retailers and physical stores are legally required to verify your prescription before completing a sale.

: A prescription ensures the machine is set to the correct pressure levels tailored to your specific sleep apnea severity, as incorrect settings can lead to suboptimal treatment or health complications.

. The U.S. Food and Drug Administration (FDA) classifies CPAP devices as Class II medical devices , meaning they are regulated and require a doctor's authorization for purchase or rental to ensure safety and effectiveness. Key Prescription Requirements