Persistent stuffy or blocked nose
Reduced or lost sense of smell
Reduced or lost sense of taste
Runny nose
Postnasal drip
Snoring
Mouth breathing
Facial pressure or fullness
Frequent sinus infections
Feeling of pressure around the forehead, cheeks, or eyes
Symptoms that last for weeks or keep coming back
Symptoms that do not improve with usual cold or allergy treatment
Soft, pale, grape-like growths inside the nose seen by a doctor
Trouble breathing through the nose
Headache
Sleep disturbance