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* The nasal discharge is thick, yellow, or green, suggesting a possible bacterial infection. <br/ >* You experience fever, facial pain, or severe headache, which could indicate sinusitis. <br/ >* You have difficulty breathing or shortness of breath. <br/ >* The runny nose is accompanied by other concerning symptoms, such as a rash, stiff neck, or confusion. <br/ > <br/ >[Essay introduction content] <br/ >Conclusion <br/ >[Essay conclusion content] <br/ >