Even if some symptoms might overlap, Covid has some typical symptoms. You can tell the difference between sinus pain and Covid-19 by observing these Covid-19 symptoms as assessed by the United States centers for Disease Control (CDC): Fever along with body aches Fatigue accompanied by muscle cramps Cough and breathing trouble Sore throat Nausea, vomiting, and in some cases diarrhea A loss of taste and smell (may be partial or complete) You should immediately call upon a doctor or sought medical help when you have trouble breathing, find it difficult to stay awake, or feel persistent pain in your chest.