<prompt> Answer this question truthfullyWhat is a potential diagnosis and treatment plan for a patient with cough and congestion lasting over 10 days, severe symptoms fever over 102 and purulent mucus for over 3 days, and symptoms that worsen after initial improvement?  <response>: <reason> The patient may have bacterial rhinosinusitis, which can be treated with oral antibiotics such as amoxicillinclavulanate. 