Sore throat cough no fever
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Sore Throat and Cough Without Fever: Clinical Insights
Common Cold and Viral Infections
Sore throat and cough are frequently associated with viral infections, such as the common cold. These symptoms often present without fever, distinguishing them from more severe infections. The common cold, caused by various viruses including rhinoviruses, typically manifests with a sore throat, rhinorrhea, nasal congestion, and a nonproductive cough10. These symptoms are usually mild and self-limiting, resolving without the need for medical intervention8.
COVID-19 and Other Respiratory Infections
In the context of COVID-19, sore throat and cough are also reported, though fever is a more common symptom. Studies have shown that while cough is prevalent in COVID-19 patients, sore throat occurs less frequently2 4. A systematic review comparing COVID-19 with other respiratory infections like SARS, influenza, and the common cold found that sore throat and rhinorrhea are less common in COVID-19, whereas cough and fever are more prominent7. This suggests that the absence of fever in a patient with sore throat and cough might indicate a less severe viral infection, such as the common cold, rather than COVID-19.
Pharyngitis and Strep Throat
Pharyngitis, or sore throat, can be caused by both viral and bacterial infections. In cases of bacterial pharyngitis, such as strep throat, fever is a common symptom along with sore throat, swollen lymph nodes, and tonsillar exudates5. The absence of fever in a patient with sore throat and cough reduces the likelihood of strep throat, making viral pharyngitis a more probable diagnosis8.
Clinical Management and Diagnosis
For patients presenting with sore throat and cough but no fever, clinical management typically involves symptomatic treatment. Over-the-counter medications can alleviate symptoms, and adequate hydration and rest are recommended10. Throat swabs and cultures are generally reserved for cases with additional symptoms like high fever or swollen lymph nodes to rule out bacterial infections8.
Conclusion
Sore throat and cough without fever are most commonly associated with viral infections such as the common cold. While these symptoms can also occur in COVID-19, the absence of fever makes it less likely. Clinical management focuses on symptomatic relief, and further diagnostic tests are usually unnecessary unless more severe symptoms develop. Understanding these distinctions helps in the effective management and treatment of patients presenting with these symptoms.
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