Nasal congestion and facial heaviness are common complaints, and can result from sinusitis or nasal allergy; telling them apart helps choose the right treatment. Here we explain the symptoms, the differences, relief methods and when to see a doctor.
What are the sinuses?
The sinuses are air-filled cavities around the nose, cheeks and forehead, lined by a membrane that produces mucus. When they become inflamed or blocked, mucus builds up and congestion and facial heaviness appear.
Common symptoms
- Nasal blockage and difficulty breathing through the nose.
- Nasal discharge or mucus dripping down the throat.
- Pain or pressure in the face or around the eyes.
- Reduced sense of smell, headache and sometimes cough.
Sinusitis vs allergy
Nasal allergy results from a reaction to triggers such as dust or pollen, often with sneezing, itching of the nose and eyes and clear discharge, recurring seasonally or on exposure. Sinusitis usually comes with facial heaviness and thicker discharge, and may begin after a cold.
Home relief methods
- Saline nasal rinse to ease congestion.
- Inhale warm steam and drink plenty of fluids.
- Avoid known allergy triggers as much as possible.
- Rest and sleep with the head slightly raised.
When do you need an ENT doctor?
When symptoms persist or recur, the doctor assesses the nose and sinuses and determines whether the cause is inflammation, allergy or a deviated septum, then sets a suitable plan that may include topical or medical treatments depending on the case.
When should you see a doctor?
Use this as a general guide — not a substitute for a clinical examination.
Signs that need urgent care
- Swelling or redness around the eye, the eye bulging forward, or double vision.
- Severe headache with a stiff neck and high fever or a change in consciousness.
- Severe facial swelling that worsens quickly.
For emergencies, general medicine and the emergency service are available 24 hours all week, or call 997.
Book an appointment soon
- Symptoms lasting more than 10 days or improving then worsening.
- Fever and severe facial pain.
- Repeated bouts of sinusitis or allergy affecting your life.
Can be managed with self-care
- Mild congestion and a runny nose with a cold under 10 days.
- Mild allergy symptoms improving with trigger avoidance and a nasal rinse.
Frequently asked questions
Do I need an antibiotic for sinusitis?
Many cases of sinusitis are viral and improve without an antibiotic. The doctor decides whether one is needed based on the duration, severity and nature of symptoms; it should not be taken on your own.
Is a saline nasal rinse safe?
A saline nasal rinse is a gentle, common way to ease congestion, using sterile or boiled-then-cooled water and following the usage instructions.
How do I tell allergy from a bacterial infection?
Itching, sneezing and recurrent clear discharge suggest allergy, while facial heaviness, fever and thick discharge may suggest infection. An accurate diagnosis is made by the doctor.
When is sinus imaging requested?
Most cases do not need imaging. It may be requested for recurrent infection, non-response, or planning a procedure, as decided by the doctor.
Bothered by congestion or sinus pain?
Book an appointment with our ENT department for an accurate assessment and a suitable treatment plan.
Specialist clinic hours: Saturday–Thursday, 9:00 AM – 12:00 PM and 4:00 PM – 10:00 PM. General medicine & emergency: 24 hours, all week.
This article is for general awareness and is not a substitute for consulting a specialist. Diagnosis and treatment plans are determined after clinical examination. In case of emergency symptoms, call emergency services immediately.