The most common symptoms of chronic rhinosinusitis (CRS) are blocked nose and post-nasal drip (mucus dripping down the back of the throat).
You may have CRS if you’ve had two or more of these symptoms for at least 12 weeks:
- blocked nose on both sides
- runny nose from both nostrils and post-nasal drip
- not being able to smell or only being able to smell strong smells
- pressure and pain in the face
See a doctor urgently if you have any of these symptoms, as they may be caused by something more serious:
- Facial pain or headaches without other signs of sinusitis
- High fever
- Blocked nose or discharge on one side of nose only
- Symptoms that are worse on one side
- Blood in nasal mucus
- Eye symptoms such as blurred or reduced vision
- Numbness or tingling in the face
- Facial swelling, causing the face to look uneven (facial asymmetry)
- Moderate to severe loss of sense of smell