Evidence-to-Recommendation Framework for 2026 ACE Clinical Guideline on upper respiratory tract infections - rational

Bin Lim1, Sonja Cjh Chua, Rujia Xu

  • 1Evidence to Practice Division, Agency for Care Effectiveness, Ministry of Health, Singapore.

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Antihistamines are a class of drugs widely used to alleviate the symptoms of allergies, such as sneezing, itching, and nasal congestion. They work by inhibiting the actions of histamine, which is released by immune cells in response to allergenic substances or tissue injuries.
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