Sinus Infection – A Quick How To Treat Guide

sinus infection

Sinus infection, or sinusitis, is a very common complication of upper respiratory tract infections. They can very painful and uncomfortable. Let’s review the causes, symptoms and treatment for sinusitis in this quick guide.

Sinus Infection Symptoms

Sinusitis refers to irritation and inflammation of the nasal passages and the paranasal sinuses.

The most common symptoms are:

  • blocked nose
  • nasal discharge (frontal or post nasal drip)
  • pain and pressure around the nose and face
  • reduction of smell and taste
  • fever and hot and cold spells
  • lethargy, tiredness
Painful areas in sinus infection

Painful areas in sinus infection

Sinus infections are generally the result of common upper respiratory tract infections, usually self limiting viral infections such as the common cold and influenza. Sometimes a secondary bacterial infection can develop in the area. It is hard to tell from the symptoms whether the infection is viral or bacterial. Severe bacterial infections can develop and lead to spreading infection:

  • meningitis
  • cellulitis around the eyes
  • genealised infection or sepsis

If you have any symptoms such as drowsiness, reduced level of consciousness, double vision or severe headache or neck pain, you must seek medical attention immediately.

Are sinus infections contagious?

Yes, as most sinus infections are caused by background upper respiratory tract infections caused by viruses, they can spread. Each person will manifest a viral infection in a different way. Most commonly runny nose, sore throat, cough and fever. Some people will develop sinus pressure and pain as well.

steam inhalation for sinus infection

Hot water with a few drops of eucalyptus oil to unblock the sinuses

Sinus Infection Treatment

Within the first 3-4 days of symptoms, the infection is likely viral and the mainstay of treatment is good symptom management:

  • Paracetamol 2 tablets every 6 hours
  • Rehydration solutions such as hydralyte
  • Steam inhalations: Hot water with a dash of eucalputus in a bowl and breathe in deeply, this can help loosen and unblock the sinus area

If symptoms persist or become progressivly worse, the infection may have developed into a secondary bacterial infection, often caused by the bacteria  Streptococcus pneumoniae and Haemophilus influenzae.

Antibiotics for sinus infection

amoxicillin 500 mg 8-hourly for 5 days

For patients allergic to penicillins:

doxycycline 12-hourly for 5 days

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Dr Ganesh Naidoo

About the Author

Dr Ganesh Naidoo BSc(biomed), MBBS, FRACGP is an Australian General Practitioner treating patients all over Australia through Medmate Telehealth.

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