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Acute upper respiratory infection — Clinical Guidelines

Overview

Acute upper respiratory infections (URIs) are common infectious conditions affecting the upper respiratory tract, including the nose, sinuses, pharynx, and larynx, leading to symptoms such as cough, sore throat, and rhinitis. These infections are prevalent among all age groups but particularly impact children under five, causing significant morbidity and economic burden 1 4 6.

Diagnosis

Clinical symptoms include cough, sore throat, rhinorrhea, and fever.

No specific diagnostic tests are universally required; clinical judgment is often sufficient.

In severe cases or when complications are suspected, chest X-rays or nasopharyngeal swabs for pathogen identification may be considered 5 11.

Management

Supportive Care: Rest, hydration, and symptomatic relief with analgesics (e.g., acetaminophen) 17.

Antibiotics: Generally not recommended for viral URIs; reserved for confirmed bacterial infections or severe cases 15 16.

Vitamin A Supplementation: May reduce the incidence of acute respiratory infections in children under seven years, particularly in low-income settings (dose not specified in abstracts) 4 13.

Probiotics: Emerging evidence suggests potential benefits in preventing acute URIs, though further research is needed 8.

Special Populations

Pediatrics: Vitamin A supplementation is particularly beneficial for reducing the burden of URIs in under-five children 4 13.

Elderly and Comorbidities: Specific management strategies not detailed in abstracts; supportive care remains key, with close monitoring for complications 17.

Key Recommendations

Supportive Care for Symptomatic Relief: Use of analgesics for fever and pain management in children and adults (Evidence: Moderate 17).

Avoid Unnecessary Antibiotic Use: Reserve antibiotics for confirmed bacterial infections or severe cases to prevent resistance (Evidence: Strong 15 16).

Consider Vitamin A Supplementation: For children under seven years in resource-limited settings to reduce URI incidence (Evidence: Moderate 4 13).

Evaluate Probiotics for Prevention: Consider probiotics as a preventive measure in pediatric populations based on emerging evidence (Evidence: Weak 8).

Monitor and Manage Energy Poverty: Address multidimensional energy poverty to reduce ARI risk in low-income countries (Evidence: Moderate 1 6).

References

1 Xia C, Sadiq M, Younas S. Multidimensional energy poverty and childhood respiratory health across 26 low and lower middle income countries. Scientific reports 2026. link 2 Timilsina A, Chalise B, Ahmed KY, Thapa S. Effect of forest cover change on the prevalence of acute respiratory tract infections, diarrhoea, and fever among children under five: Using an ecosystem approach to child health. PloS one 2025. link 3 Kalayou MH, Kassaw AK, Shiferaw KB. Empowering child health: Harnessing machine learning to predict acute respiratory infections in Ethiopian under-fives using demographic and health survey insights. BMC infectious diseases 2024. link 4 Cheng X, Li D, Yang C, Chen B, Xu P, Zhang L. Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age. The Cochrane database of systematic reviews 2024. link 5 Siddik AB, Tanvir NA, Bhuyan GS, Alam MS, Islam Z, Bulbul MRH et al.. Bacterial and viral etiology of acute respiratory infection among the Forcibly Displaced Myanmar Nationals (FDMNs) in fragile settings in Cox's Bazar- a prospective case-control study. PLoS neglected tropical diseases 2023. link 6 Stevens M, Yang-Huang J, Nieboer D, Zhou S, Osman KA, Raat H et al.. Multidimensional energy poverty and acute respiratory infection in children under 5 years of age: evidence from 22 low-income and middle-income countries. Journal of epidemiology and community health 2023. link 7 Jullien S, Mirsaidova M, Hotamova S, Huseynova D, Rasulova G, Yusupova S et al.. Unnecessary hospitalisations and polypharmacy practices in Tajikistan: a health system evaluation for strengthening primary healthcare. Archives of disease in childhood 2023. link 8 Zhao Y, Dong BR, Hao Q. Probiotics for preventing acute upper respiratory tract infections. The Cochrane database of systematic reviews 2022. link 9 Malik MA, Akhtar SN, Albsoul RA, Alshyyab MA. Conflict driven displacement and child health: Evidence based on mother's nationality from Jordan Population and Family Health Survey. PloS one 2021. link 10 Sk R, Rasooly MH, Barua S. Do fuel type and place of cooking matter for acute respiratory infection among Afghan children? Evidence from the Afghanistan DHS 2015. Journal of biosocial science 2020. link 11 Zhang T, Black S, Hao C, Ding Y, Ji W, Chen R et al.. The blind nasotracheal aspiration method is not a useful tool for pathogen detection of pneumonia in children. PloS one 2010. link 12 Burkhardt O, Ewig S, Haagen U, Giersdorf S, Hartmann O, Wegscheider K et al.. Procalcitonin guidance and reduction of antibiotic use in acute respiratory tract infection. The European respiratory journal 2010. link 13 Chen H, Zhuo Q, Yuan W, Wang J, Wu T. Vitamin A for preventing acute lower respiratory tract infections in children up to seven years of age. The Cochrane database of systematic reviews 2008. link 14 Hwang JH, Kim DS, Lee SI, Hwang JI. Relationship between physician characteristics and their injection use in Korea. International journal for quality in health care : journal of the International Society for Quality in Health Care 2007. link 15 Nascimento-Carvalho CM. Outpatient antibiotic therapy as a predisposing factor for bacterial resistance: a rational approach to airway infections. Jornal de pediatria 2006. link 16 Pennie RA. Prospective study of antibiotic prescribing for children. Canadian family physician Medecin de famille canadien 1998. link 17 Berman S, McIntosh K. Selective primary health care: strategies for control of disease in the developing world. XXI. Acute respiratory infections. Reviews of infectious diseases 1985. link 18 Wright HT. Acute respiratory infections. Current problems in pediatrics 1974. link80009-5)

Acute upper respiratory infection