Nasal spray sodium chloride or sea water), isotonic (0.9% sodium chloride) and hypotonic (0.65% sodium chloride). Isotonic solutions have the same salt concentration as the human body, whereas hypertonic solutions have a higher salt content and hypotonic solutions have a lower salt content. Isotonic saline nasal sprays are commonly used in infants and children to wash out the thick mucus from the nose in case of allergic rhinitis. Hypertonic solutions may be more useful at drawing moisture from the mucous membrane and relieving nasal congestion. Natural nasal sprays that include chemical complexes derived from plant sources such as ginger, capsaicin and tea-tree
Nasal EPAP obstruction. Side effects that emerged during clinical trials included difficulty breathing, difficulty falling or staying asleep, dry mouth, nasal congestion, headache, difficulty putting on or removing the device, and anxiety. Ventus Medical received FDA 510K clearance for marketing the Provent EPAP device for OSA in 2009. Ventus received 510K clearance for an EPAP device to treat snoring in June 2012. Ventus was acquired by Theravent Inc. in 2013. Calik MW. Treatments for Obstructive Sleep Apnea. J Clin Outcomes Manag. 2016 Apr;23(4):181-192. Nasal EPAP Nasal expiratory positive airway pressure (Nasal EPAP) is a treatment for obstructive sleep apnea (OSA) and snoring.