The typical signs and symptoms of a Sinusitis infection are:
Bad breath
Coughing caused by mucus dripping down the back of the throat
Difficulty breathing through the nose due to nasal congestion
Fatigue
Feeling full in the face
Feeling heavy in the head
Fever
Nausea and dizziness
Pain and swelling around the eyes, nose, cheeks and forehead
Reduced sense of smell and taste
Thick yellow- or green-coloured nasal discharge