Can Sinus Infection Cause Flu Like Symptoms?

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It’s difficult to determine the difference between sinus infection symptoms and flu as symptom are overlapped with allergies, cold, congestion and flu symptoms but there are some unique symptoms like mucous become too thick and does not cycle in the system as it goes normally, cold in sinus infection progresses gradually whereas in flu symptoms like fever, cough, muscle ache, and severe lethargy progresses in 24 to 48 hours.