Signs and symptoms of sinusitis often include: - Thick, yellow or greenish mucus - Runny nose - Postnasal drainage - Blocked or stuffy nose (congestion) - Difficulty breathing through nose - Pain, tenderness and swelling - Pressure around eyes, cheeks, nose or forehead - Ear pressure - Headache - Aching in the teeth - Altered sense of smell - Cough - Bad breath (halitosis) - Fatigue - Fever