ALLERGY BASICS
 

Allergy is a condition of overreaction, or hypersensitivity, in certain persons, to substances that are usually harmless to most individuals, provoking an abnormal immune response in susceptible people.¹ 
 

ALLERGIC RHINITIS
 

Allergic Rhinitis is considered One of the most common chronic conditions globally. It often co-occurs with asthma and conjunctivitis. Allergic Rhinitis causes major burden and disability worldwide.²

Over 30% of AR patients suffer debilitating allergic symptoms that can lead to severe disability and life-threatening conditions.¹
 

In addition to nasal symptoms, patients with Allergic Rhinitis may also present with associated:

Non-productive cough.² 
Eustachian tube dysfunction.²
Allergic conjunctivitis.²
Chronic sinusitis.²

References:

• 1. Hendry C, Farley AH. Understanding allergies and their treatment. Nurs Stand. 2001 May 16-22;15(35):47-52; quiz 53, 56. doi: 10.7748/ns2001.05.15.35.47.c3028. PMID: 12216221.
• 2. Bousquet, J., Anto, J.M., Bachert, C. et al. Allergic rhinitis. Nat Rev Dis Primers 6, 95 (2020). 
• 3. Roger A, Arcalá Campillo E, Torres MC, Millan C, Jáuregui I, Mohedano E, Liñan S, Verdu P, Rubira N, Santaolalla M, González P, Orovitg A, Villarrubia E. Reduced work/academic performance and quality of life in patients with allergic rhinitis and impact of allergen immunotherapy. Allergy Asthma Clin Immunol. 2016 Aug 11;12:40. doi: 10.1186/s13223-016-0146-9. PMID: 27525014; PMCID: PMC4982204.
• 4. Cohen B. Allergic Rhinitis. Pediatr Rev. 2023 Oct 1;44(10):537-550. doi: 10.1542/pir.2022-005618. PMID: 37777655
• 5. Akhouri S, House SA. Allergic Rhinitis. 2022 Jun 5. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan–. PMID: 30844213.
• 6. Aburiziza A, MA, Alonazi AS, Zatari MH, Alqouzi SA, Mandili RA, Hawsawi WT, Aljohani RH. The Prevalence, Clinical Picture, and Triggers of Allergic Rhinitis in Saudi Population: A Systematic Review and Meta-Analysis. J Asthma Allergy. 2022 Dec 23;15:1831-1849. doi: 10.2147/JAA.S391142. PMID: 36582219; PMCID: PMC9793734.
• 7. Abdulrahman, H., Hadi, U., Tarraf, H., Gharagozlou, M., Kamel, M., Soliman, A., ... Moukarzel, N. (2012). Nasal Allergies in the Middle Eastern Population: Results from the “Allergies in Middle East Survey.” American Journal of Rhinology & Allergy, 26(6_suppl), S3 S23. doi:10.2500/ajra.2012.26.3836
• 8. Nur Husna SM, Tan HT, Md Shukri N, Mohd Ashari NS, Wong KK. Allergic Rhinitis: A Clinical and Pathophysiological Overview. Front Med (Lausanne). 2022 Apr 7;9:874114. doi: 10.3389/fmed.2022.874114. PMID: 35463011; PMCID: PMC9021509.