Check-up: Respiratory tract infection

I went to my dentist with severe upper jaw pain and toothache

I went to my dentist with severe upper jaw pain and toothache. However, he found nothing wrong with my teeth, but said it was most likely a sinus infection.

Infection of the cavities (sinuses) around the nasal passages causes the mucous membranes to become swollen and inflamed. This swelling obstructs the sinus openings and prevents mucus from draining normally. Symptoms typically include nasal congestion and the drainage of a thick, yellow or greenish discharge from the nose or down the back of the throat. Pain, tenderness, swelling and pressure may be experienced around the eyes, cheeks, nose or forehead. However, it may also cause pain in the upper jaw and teeth, which can be mistaken for a dental problem.

What can cause sinus infections?

It is most usually caused by the common cold, but bacteria, allergies and fungal infections may also trigger it. You may be at increased risk of getting sinusitis if you have a nasal passage abnormality, such as a deviated nasal septum or nasal polyps. Those with cystic fibrosis, gastroesophageal reflux disease (Gerd) or an immune system disorder may be more prone to sinusitis. Exposure to pollutants such as cigarette smoke may also increase the risk of developing the problem.

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After a week it isn’t really getting any better. Should I see my doctor?

Acute sinusitis usually responds well to self-help remedies. These include getting plenty of rest, and increasing fluid intake to help dilute mucous secretions and promote drainage. Using steam to clear your sinus cavities will help ease pain and assist mucous drainage. Applying warm compresses to your face will help ease facial pain. Sleeping with your head elevated will help sinuses drain and reduce congestion.

However, you need to see your doctor if the problem does not respond to home remedies, or if your symptoms don’t improve within a few days or get worse. If you experience persistent fever, have pain or swelling around your eyes, severe headache or vision changes, see your doctor immediately.

Treatment of severe sinusitis may include the use of saline nasal rinses or spray, nasal corticosteroids and/or decongestants (which should only be used for a few days as longer use can cause the return of more severe congestion).

Painkillers may be prescribed to reduce pain and fever. Antibiotic treatment is generally prescribed only for a bacterial infection. Where acute sinusitis is caused by a fungal infection, antifungal medications may be prescribed.