sinus infection X ray explained

Overview

A sinus infection is when the tissue lining your sinuses becomes swollen and inflamed. An X-ray of your sinuses is a simple imaging test that creates a picture of this area, which can help doctors spot fluid or blockages. It is not the most common way to diagnose sinus infections, but it may be used in certain cases.

Sinus infections are very common. Millions of people get them each year, often after a cold.

Anyone can get a sinus infection, but you are more likely to get one if you have allergies, nasal polyps, a curved nasal septum, or a weakened immune system.

Symptoms

Common symptoms

• Pressure or pain in your forehead, cheeks, or around your eyes
• Nasal congestion or a stuffy nose
• Thick, yellow or green mucus from your nose or down your throat
• Reduced sense of smell
• A cough that may get worse at night
• Headache
• Bad breath
• Fever

Symptoms in children

• Similar symptoms to adults, plus irritability or fussiness
• Difficulty feeding or breastfeeding
• A wet cough that lasts for days

Symptoms in older adults

• Sometimes fewer typical symptoms like pain or congestion
• May feel confused or very tired
• May not have a fever

Causes

Main causes

• Viral infections, most often from a cold
• Bacterial infections, if mucus builds up and gets infected
• Fungal infections, especially in people with weak immune systems
• Allergies or nasal polyps that block the sinuses

Risk factors

• Allergies
• Smoking or exposure to secondhand smoke
• A deviated septum (a shifted divider in your nose)
• A recent cold or flu
• A weakened immune system
• Cystic fibrosis or other conditions that affect mucus

When to see a doctor

See a doctor urgently if:

• If you have any emergency symptoms, call your local emergency number right away.
• If you have signs of a serious infection, such as severe pain or vision changes, see a doctor the same day.

Book a routine appointment if:

• If your symptoms last longer than 10 days or get worse after getting better.
• If you have had multiple sinus infections in a year.
• If home care is not helping and you feel miserable.

Diagnosis

Your doctor will ask about your symptoms, press gently on your face, and look inside your nose with a light. In most cases, this is enough. If the diagnosis is unclear or a complication is suspected, your doctor may order a sinus X-ray or, more often, a CT scan.

Tests that may be done

• Physical exam (listening to your history and pressing on your sinuses)
• Sinus X-ray (shows fluid, thickening, or blockages)
• CT scan (gives detailed images of your sinuses)
• Nasal endoscopy (a thin tube with a camera to look inside your nose)
• A mucus sample, if a bacterial infection is suspected

What to expect at your appointment

If you have a sinus X-ray, you will sit or stand with your chin and head positioned in a few different ways. The machine takes pictures from several angles. You may wear a lead apron to protect the rest of your body. The test is quick and painless, and you can go back to normal activities right after.

Treatment

Treatment depends on what is causing the infection. Most sinus infections are viral, so antibiotics will not help. The goal is to ease your symptoms, help your sinuses drain, and support your immune system. If a bacterial infection is confirmed, your doctor may prescribe antibiotics.

Self-care at home

• Drink plenty of water and other fluids
• Apply a warm, damp cloth to your face several times a day
• Breathe in steam from a bowl of hot water or a warm shower
• Get plenty of rest
• Use a saline nasal rinse or spray to flush out your nose (ask your pharmacist for advice)

Medical treatments

Your doctor may recommend pain relievers for headache or facial pain, decongestants to reduce stuffiness, or nasal corticosteroid sprays to reduce inflammation. Antibiotics are used only if a bacterial infection is suspected or confirmed. Always follow your healthcare provider’s advice.

When is surgery considered?

Surgery is rarely needed. It may be considered for chronic sinus problems that do not improve with other treatment, or to remove nasal polyps or correct a structural blockage. Your doctor will explain the options if surgery is ever recommended.

Living with this condition

You can usually manage a sinus infection at home with rest, fluids, and gentle self-care. Keep your head raised with an extra pillow at night to help your sinuses drain. If you have allergies, try to avoid your triggers.

Lifestyle tips

• Use a humidifier in your bedroom if the air is dry
• Wash your hands often to avoid spreading germs
• Stay away from tobacco smoke
• Avoid flying when you have severe congestion, if possible

Diet and exercise

A balanced diet with plenty of fruits and vegetables helps your immune system. Light movement, like walking, is fine if you feel up to it, but rest is more important. Avoid intense exercise if you have a fever or feel very unwell.

Mental health and emotional wellbeing

Having a sinus infection can be tiring and make it hard to sleep or focus. If you have chronic sinusitis, it can be frustrating and affect your mood over time. If you feel anxious or low, talk to your doctor or a counsellor. Support from friends and family also helps.

Prevention

You can lower your chances of getting a sinus infection by staying healthy, managing allergies, and avoiding smoke and other irritants. Treating colds early with rest and fluids can also help.

Vaccines

While there is no vaccine for sinus infections, staying up to date with flu and pneumonia vaccines can reduce your risk of the respiratory infections that often lead to sinusitis.

Screening programmes

There is no routine screening for sinus infections. See a doctor if you have symptoms that are severe or last a long time.

Complications

If left untreated

• Bacteria can spread from the sinuses to nearby areas, like the eyes or the brain (rare)
• An abscess (a pocket of pus) in the sinuses or head (very rare)
• Meningitis (an infection of the lining around the brain and spinal cord, very rare)

Long-term outlook

The vast majority of sinus infections get better on their own or with simple treatment. Even chronic sinusitis can be managed effectively with the right plan. Talk to your healthcare provider to find what works best for you.

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