Nasal Saline Spray
The benefits of nasal saline spray are numerous. A natural alternative to medication, it helps moisten the nasal passages, relives congestion and can be used to irrigate the sinuses. It is a great option for those who want an inexpensive alternative to medication without the risk of side effects.
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Water Based Lubricant
Water-based lubricants help prevent dryness, irritation and cracking of the nose commonly associated with supplemental oxygen therapy, BiPap and CPAP.
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Oxygen Humidifier
Although, according to Chest, the routine use of humidified oxygen is not justifiable, the practice has long been thought to improve comfort for patients wearing a nasal cannula. Aside from the cost of purchasing an oxygen humidifier and the time it takes to manage one, they are generally considered safe to use. The decision to use one should be discussed with your doctor and is often a matter of personal preference.Compare Prices of Oxygen Humidifiers
Source: Campbell, E. Baker, M. and Crites-Silver, P. Subjective effects of humidification of oxygen for delivery by nasal cannula. A prospective study. CHEST February 1988 vol. 93 no. 2 289-293.

