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 consonant vowels, resulting in and . What would be coda nasal occlusives in other West Iberian languages is only slightly pronounced before dental consonants. Outside this environment the nasality is spread over the vowel or become a nasal diphthong ("mambembe" , outside the final, only in Brazil, and "mantém" in all Portuguese dialects). The Japanese syllabary kana ん, typically romanized as "n" and occasionally "m", can manifest as one of several different nasal consonants depending on what consonant follows it; this allophone, colloquially written in IPA as , is known as the moraic nasal, per the language's moraic structure. Welsh has