For nasal dryness due to allergies, colds, flu, rhinitis, and sinusitis, To help relieve congestion by thinning mucus, To moisturize and irrigate membranes following nasal surgery To return moisture caused by drug-induced dryness, To help reduce nosebleeds from dryness, To moisturize the nose while spending time in enclosed spaces such as during air travel To relieve dryness associated with oxygen treatments and CPAP machines for sleep apnea, For general moisturizing in dry, cold climates Generic for Ocean Saline Nasal Spray