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  2. Rhinitis medicamentosa - Wikipedia

    en.wikipedia.org/wiki/Rhinitis_medicamentosa

    Rhinitis medicamentosa (or RM, also known as rebound congestion) is a condition of rebound nasal congestion suspected to be brought on by extended use of topical decongestants (e.g., oxymetazoline, phenylephrine, xylometazoline, and naphazoline nasal sprays) and certain oral medications (e.g., sympathomimetic amines and various 2-imidazolines) that constrict blood vessels in the lining of the ...

  3. Nasal administration - Wikipedia

    en.wikipedia.org/wiki/Nasal_administration

    The major part of the approximately 150 cm 2 surface in the human nasal cavity is covered by respiratory epithelium, across which systemic drug absorption can be achieved. The olfactory epithelium is situated in the upper posterior part and covers approximately 10 cm 2 of the human nasal cavity. The nerve cells of the olfactory epithelium ...

  4. Decongestant - Wikipedia

    en.wikipedia.org/wiki/Decongestant

    A decongestant, or nasal decongestant, is a type of pharmaceutical drug that is used to relieve nasal congestion in the upper respiratory tract. The active ingredient in most decongestants is either pseudoephedrine or phenylephrine (the latter of which has disputed effectiveness ).

  5. Anti-allergic agent - Wikipedia

    en.wikipedia.org/wiki/Anti-allergic_agent

    Side effects. Topical decongestants should not be used for longer than a week as prolonged use may result in rhinitis medicamentosa (rebound nasal congestion). [13] Common side effects for oral decongestants include insomnia, hypertension (elevated blood pressure), and difficulty in urination. [12]

  6. FDA Wants To Pull Popular OTC Decongestant Used For Common ...

    www.aol.com/fda-wants-pull-popular-otc-191339267...

    On Thursday, the FDA proposed removing oral phenylephrine from the list of approved active ingredients for over-the-counter (OTC) nasal decongestants, citing concerns over its effectiveness. After ...

  7. Rhinitis - Wikipedia

    en.wikipedia.org/wiki/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 ...

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