What is sinusitis and what causes it?
Back to topHow the sinuses work
Back to topHow sinusitis develops
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Types of sinusitis:
Back to top- Acute sinusitis typically lasts 1 to 4 weeks
- Subacute sinusitis typically lasts 4 to 12 weeks
- Chronic sinusitis typically lasts around 12 weeks or more
- Recurrent sinusitis occurs in episodes throughout the year7a, 8
Who is at risk?
Back to top- Allergies such as hay fever
- A respiratory tract infection such as a cold
- A deviated nasal septum – when the septum (thin wall between the nostrils) is crooked or off-centre and causes a restriction or blockage
- A growth such as a nasal polyp or tumour that can cause a restriction or blockage
- Swollen adenoids (glands behind the nose and above the mouth)
- Facial bone abnormalities such as a cleft palate
- A weakened immune system from the prolonged use of medication and / or from a chronic illness such as diabetes, cystic fibrosis, or HIV/Aids
- Regular exposure to pollutants for example, cigarette smoke and strong chemicals1c, 7b, 9, 10
Signs and symptoms
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Typical symptoms include:
Back to top- Discoloured (yellow or greenish) discharge from the nose or down the back of the throat
- Nasal congestion or obstruction, causing difficulty breathing through your nose
- Pain, tenderness and pressure around your eyes, cheeks, nose or forehead that worsens when you bend over 2c, 12a
Other symptoms may include:
Back to top- Ear pressure
- Frontal headache
- Ache in your upper jaw and pain in your teeth
- Reduced sense of smell and taste
- Cough, which might worsen at night
- Halitosis (bad breath)
- Fatigue
- Fever2c,12b
Diagnosis and treatment
Back to topTreatment can vary considerably depending on how long you have had symptoms and their severity. As a result, getting an accurate diagnosis is important so that your doctor or specialist can recommend the most appropriate treatment for your particular situation.4b 13a
Self-care
Back to topTo relieve swelling and congestion:
- Drink plenty of fluids
- Use a humidifier
- Take over-the-counter nasal decongestants to relieve swelling
- Apply hot or cold packs to relieve pain and discomfort or take hot showers
- Use a nasal saltwater rinse to rinse your nasal passages
- Use a nasal saline spray to keep your sinuses and nose moist
When to see your doctor
Back to top- Your symptoms persist after 7 to 10 days
- Your symptoms are severe or get worse
- You have a fever or a bad headache
- You have sinus problems that recur throughout the year4c, 6b

Sinusitis complications
Back to top- Meningitis (infection of the fine membranes that cover the brain and spinal cord)
- Brain abscess (infection in the brain)
- Osteomyelitis (infection of the bone)
- Orbital cellulitis (infection of the eye tissue in the eye socket)5b, 7c
Lifestyle changes to reduce your risk
Back to top- Washing your hands frequently
- Keeping your body hydrated by drinking lots of water every day
- Getting more rest if you feel a cold coming on
- Finding out what you are allergic to and then take steps to minimise your exposure to allergens (substances that trigger your allergies)
- Quitting smoking
- Avoiding drinking too much alcohol or coffee4d
How Sinucon can help relieve sinusitis
Back to top⦁ Cleveland Clinic. Sinusitis. Available at: http://www.clevelandclinicmeded.com/medicalpubs/diseasemanagement/allergy/rhino-sinusitis/. Accessed 25 April 2019. ⦁ Healthline. What Causes Sinusitis. Available at: https://www.healthline.com/symptom/sinusitis. Accessed 25 April 2019. ⦁ Cedars-Sinai. Sinus Conditions & Treatments. Available at: https://www.cedars-sinai.org/programs/sinus-center/conditions.html. Accessed 25 April 2019. ⦁ St. Joseph Health. Understanding Sinuses. Available at: https://www.sjo.org/our-services/nasal-sinus-center/understanding-sinuses/. Accessed 25 April 2019. ⦁ MedicineNet. Sinus Infection (Sinusitis). Available at: https://www.medicinenet.com/sinusitis/article.htm. Accessed 25 April 2019. ⦁ Medical News Today. Everything you need to know about sinusitis. Available at: https://www.medicalnewstoday.com/articles/149941.php. Accessed 25 April 2019. ⦁ Mayo Clinic. Chronic Sinusitis. Available at: ⦁ https://www.mayoclinic.org/diseases-conditions/chronic⦁ -⦁ sinusitis/symptoms-causes/syc-20351661. Accessed 25 April 2019. ⦁ Stanford Children’s Health. Sinusitis in Children. Available at: https://www.stanfordchildrens.org/en/topic/default?id=sinusitis-in-children-90-P02063. Accessed 25 April 2019. ⦁ ENT Health. Deviated Septum. Available at: https://www.enthealth.org/conditions/deviated-septum/. Accessed 25 April 2019. ⦁ Winchester Hospital. Risk Factors for Sinusitis. Available at: https://www.winchesterhospital.org/health-library/article?id=20171. Accessed 25 April 2019. ⦁ Centers for Disease Control and Prevention. Chronic sinusitis. Available at: https://www.cdc.gov/nchs/fastats/sinuses.htm. Accessed 25 April 2019. ⦁ Medical News Today. How do I know if I have a cold or sinusitis? Available at: https://www.medicalnewstoday.com/articles/310517.php?iacp. Accessed 25 April 2019. ⦁ Massachusetts Eye and Ear. 5 Myths About Your Sinuses. Available at: https://focus.masseyeandear.org/5-myths-sinuses/. Accessed 25 April 2019. ⦁ Virginia Ear Nose & Throat. Acute Sinusitis vs. Chronic Sinusitis
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