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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 spray - Wikipedia

   en.wikipedia.org/wiki/Nasal_spray

   Nasal sprays are used to deliver medications locally in the nasal cavities or systemically. They are used locally for conditions such as nasal congestion and allergic rhinitis. In some situations, the nasal delivery route is preferred for systemic therapy because it provides an agreeable alternative to injection or pills. Substances can be ...

4. Anti-allergic agent - Wikipedia

   en.wikipedia.org/wiki/Anti-allergic_agent

   Decongestants help open up nasal passages thus allowing for easier breathing. Indications and route of administration. Example of oxymetazoline nasal spray. Decongestants are mainly used in conditions like common cold, allergic rhinitis, and sinusitis. They provide temporary relief from symptoms of nasal congestion.

5. Sinusitis - Wikipedia

   en.wikipedia.org/wiki/Sinusitis

   Acute sinusitis can present as facial pain and tenderness that may worsen with staining or bending over, headache, cough, bad breath, nasal congestion, ear pain, ear pressure or nasal discharge that is usually green in color, and may contain pus or blood. [20] Dental pain can also occur.

6. Nasal congestion - Wikipedia

   en.wikipedia.org/wiki/Nasal_congestion

   Nasal obstruction characterized by insufficient airflow through the nose can be a subjective sensation or the result of objective pathology. [10] It is difficult to quantify by subjective complaints or clinical examinations alone, hence both clinicians and researchers depend both on concurrent subjective assessment and on objective measurement of the nasal airway.

7. Prednisone - Wikipedia

   en.wikipedia.org/wiki/Prednisone

   Prednisone is a synthetic glucocorticoid used for its anti-inflammatory and immunosuppressive properties. [36] [37] Prednisone is a prodrug; it is metabolised in the liver by 11-β-HSD to prednisolone, the active drug. Prednisone has no substantial biological effects until converted via hepatic metabolism to prednisolone. [38]