Published on: 9/30/2024
Sore throat, or pharyngitis, without a fever can be caused by a variety of things like infections, seasonal allergies and acid reflux.
Sore throat without fever has a variety of different causes and commonly seen in primary care. Some of the most common reasons include a viral, bacterial or fungal infection, seasonal allergies and acid reflux. Viral, bacterial or fungal infections may often not cause fever but will often be accompanied by other symptoms like runny nose or nasal congestion. Seasonal allergies can lead to a sore throat due to irritation from the seasonal allergen, and may not necessarily be accompanied by other allergy symptoms like runny nose or itchy eyes. Lastly, untreated acid reflux may lead to sore throat because stomach acid irritates the throat.
(References)
Sykes EA, Wu V, Beyea MM, Simpson MTW, Beyea JA. Pharyngitis: Approach to diagnosis and treatment. Can Fam Physician. 2020 Apr;66(4):251257. PMID: 32273409; PMCID: PMC7145142.
Krüger K, Töpfner N, Berner R, Windfuhr J, Oltrogge JH; Guideline group. Clinical Practice Guideline: Sore Throat. Dtsch Arztebl Int. 2021 Mar 19;118(11):18894. doi: 10.3238/arztebl.m2021.0121. PMID: 33602392; PMCID: PMC8245861.
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