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The present invention is a method and apparatus for delivering an additive with a continuous positive airway pressure ("CPAP") machine. The invention includes mixing an additive with humidifier water and providing the additive to the patient with the CPAP machine. According to certain embodiments, t

The present invention is a method and apparatus for delivering an additive with a continuous positive airway pressure ("CPAP") machine. The invention includes mixing an additive with humidifier water and providing the additive to the patient with the CPAP machine. According to certain embodiments, the additive can be an aromatic additive or a therapeutic additive.

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What is claimed is: 1. A method of delivering additive with a continuous positive airway pressure ("CPAP") machine comprising: mixing a solid or liquid additive with water in a humidifier using an additive delivery device; introducing air flow past the humidifier such that the air flow takes up moi

What is claimed is: 1. A method of delivering additive with a continuous positive airway pressure ("CPAP") machine comprising: mixing a solid or liquid additive with water in a humidifier using an additive delivery device; introducing air flow past the humidifier such that the air flow takes up moisture in the form of the water and the additive; passing moisture-added air flow out of the humidifier; and providing the moisture-added air flow having the additive to the patient with the CPAP machine. 2. The method of claim 1 wherein the additive is an aromatic additive. 3. The method of claim 1 wherein the additive is a therapeutic additive. 4. An apparatus for delivering an additive to a continuous positive airway pressure ("CPAP") machine comprising: a fluid reservoir for holding a fluid and configured with an air flow inlet and an air flow outlet, such that an air flow passes into the fluid reservoir, takes up the moisture from the reservoir, and passes out of the fluid reservoir; and an additive delivery component arranged on the fluid reservoir, the delivery component comprising: an additive inlet port coupled to the fluid reservoir for introducing the additive to the fluid reservoir and arranged distal to the air flow inlet and air flow outlet; and a metering component in fluid communication with the additive inlet port, the metering component configured to meter the additive to the fluid in the fluid reservoir. 5. The apparatus of claim 4 wherein the additive is an aromatic additive. 6. The apparatus of claim 4 wherein the additive is a therapeutic additive. 7. The apparatus of claim 4 wherein the delivery component is integral with the reservoir. 8. The apparatus of claim 4 wherein the delivery component is operably coupled with the reservoir by a tube.