Xylometazoline, also spelled xylomethazoline, is a medication used to reduce symptoms of nasal congestion, allergic rhinitis, and sinusitis.[2] Use is not recommended for more than seven days.[3] Use is also not recommended in those less than three months of age and some say not less than 6 years of age.[3][4] It is used directly in the nose as a spray or drops.[3]
Side effects include trouble sleeping, irritation of the nose, nausea, nosebleed (3%), period pain (10%) and headache (3%).[5][2][3] Long term use (> 10 days) is not recommended due to a rhinitis medicamentosa when stopped.[5][6] Use is not recommended during pregnancy.[2] Xylometazoline is in the decongestant and alpha-adrenergic agonist families of medication.[6][7]
One study classified it with selectivity ratios in alpha 2 adrenergic receptors of 151 for a2A vs a2B, 4.5 a2A vs a2C, and 33.9 a2B vs a2C. Making it a highly selective a2A agonist.[8]
Xylometazoline was patented in 1956 and came into medical use in 1959.[9][10] It is on the World Health Organization's List of Essential Medicines.[4][11] Xylometazoline is available as a generic medication.[3]
^{{Fulga, Ana, Andrei Zenovia, Doriana Cristea Ene, Constantin Stan, Dorel Firescu, and Iuliu Fulga. 2021. “Addiction to Nasal Decongestants Based on Α-Adrenoceptor Agonists Case Series and Literature Review: Array”. EuroEconomica 40 (2). https://dj.univ-danubius.ro/index.php/EE/article/view/1455}}
^ abc"Otrivine Adult Measured Dose Sinusitis Spray - Summary of Product Characteristics (SPC) - (eMC)". www.medicines.org.uk. 13 April 2016. Archived from the original on 29 December 2016. Retrieved 28 December 2016.
^ abcdeBritish national formulary : BNF 69 (69 ed.). British Medical Association. 2015. p. 786. ISBN 978-0-85711-156-2.
^ abWorld Health Organization (2019). World Health Organization model list of essential medicines: 21st list 2019. Geneva: World Health Organization. hdl:10665/325771. WHO/MVP/EMP/IAU/2019.06. License: CC BY-NC-SA 3.0 IGO.
^ abEccles R, Martensson K, Chen SC (April 2010). "Effects of intranasal xylometazoline, alone or in combination with ipratropium, in patients with common cold". Current Medical Research and Opinion. 26 (4): 889–899. doi:10.1185/03007991003648015. PMID 20151787. S2CID 34728458.
^ abGraf P (1997). "Rhinitis medicamentosa: aspects of pathophysiology and treatment". Allergy. 52 (40 Suppl): 28–34. doi:10.1111/j.1398-9995.1997.tb04881.x. PMID 9353558. S2CID 72326981.
^"Xylometazoline nasal medical facts from Drugs.com". www.drugs.com. Archived from the original on 29 December 2016. Retrieved 28 December 2016.
^Proudman RG, Akinaga J, Baker JG (October 2022). "The signaling and selectivity of α-adrenoceptor agonists for the human α2A, α2B and α2C-adrenoceptors and comparison with human α1 and β-adrenoceptors". Pharmacology Research & Perspectives. 10 (5): e01003. doi:10.1002/prp2.1003. PMC 9471048. PMID 36101495.
^Fischer J, Ganellin CR (2006). Analogue-based Drug Discovery. John Wiley & Sons. p. 552. ISBN 978-3-527-60749-5. Archived from the original on 29 December 2016.
^US patent 2868802A, Hüni, Albrecht, "2-(γ-TERT-BUTYL-O,O'-DIMETHYL-PHENYL-METHYL)-IMIDAZOLINE AND SALTS", issued 1959-01-13, assigned to Ciba Pharmaceutical Products Inc., Summit, N. J.
^World Health Organization (2021). World Health Organization model list of essential medicines: 22nd list (2021). Geneva: World Health Organization. hdl:10665/345533. WHO/MHP/HPS/EML/2021.02.
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