Symptoms lasting more than 10 days without improvement
Symptoms that improve then suddenly worsen again
Severe facial pain or pressure, especially on one side
High fever (about 102°F/39°C or higher) with facial pain or headache
Thick, discolored nasal discharge (yellow/green) with significant congestion
Nasal congestion or blockage that makes it hard to breathe through the nose
Reduced sense of smell
Tooth pain (especially upper teeth)
Headache or pressure that worsens when bending forward
Cough that is worse at night or from post-nasal drip
Ear pressure or fullness
Bad breath (halitosis) associated with nasal symptoms
Symptoms that align with a common cold but persist longer or become more severe
Seek urgent care if you have swelling around the eyes, vision changes, severe headache, stiff neck, confusion, or worsening high fever