Rhinitis causing the rhinitis. Rhinitis medicamentosa is a form of drug-induced nonallergic rhinitis which is associated with nasal congestion brought on by the use of certain oral medications (primarily sympathomimetic amine and 2-imidazoline derivatives) and topical decongestants (e.g., oxymetazoline, phenylephrine, xylometazoline, and naphazoline nasal sprays) that constrict the blood vessels in the lining of the nose. Chronic rhinitis is a form of atrophy of the mucous membrane and glands of the nose. Chronic form of dryness of the mucous membranes. Chronic rhinitis associated with polyps in the nasal cavity. Most prominent pathological changes observed are nasal airway epithelial metaplasia in which
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