Sinusitis (Sinus Infection): Signs and Symptoms and Causes

The sinus infection is an inflammation of the sinuses and nasal passages. As result of sinus infection you may have headache, fever, cough, bad breath, nasal congestion, nasal secretions and/or pressure in the cheek area, eyes, nose or on one side of the head.

The sinuses, the hollow air-filled sacks or pockets connect the space between the nostrils and the nasal passage. There are four sinuses as follows:

Acute sinusitis | Chronic sinusitis | Symptoms of sinusitis infection | Chronic sinusitis symptoms | sinus pressure points | sinus treatments

In the Forehead: Frontal sinuses: These sinuses are above the eyebrows.

Behind the Cheek Bones: Maxillary sinuses:

Between the Eyes: Ethmoid sinuses: Ethmoid sinuses are found on each side of the bridge of the nose.

Behind the Eyes: Sphenoid sinuses: These sinuses on either side of the head, above the ears.

All of these sinuses are covered with a mucus layer and cells. The little hairs on the cell surfaces help trap and propel bacteria and pollutants outward, thus providing defenses against foreign bacteria.

Sinuses help insulate the skull, reduce its weight and allow the voice to resonate within it.

Sinusitis is categorized as



  1. Acute sinusitis: A viral infection in the upper respiratory tract, allergens, pollutants, fungi or bacteria may trigger acute sinusitis. Acute sinusitis usually lasts for less than 10 days and occurs less than 3 times per year.
  2. Chronic sinusitis: Chronic sinusitis usually lasts for less than 20 days and occurs more than 4 times per year. It is the most common type of sinusitis.

Symptoms of Sinus Infection

The symptoms and signs of sinus infections depend upon whether the sinus infection is acute or chronic and the affected sinuses.

Acute Sinusitis

Nasal congestion with discharge or postnasal drip and fever are common symptoms of the infection of any of the four sinuses. All the symptoms are given below. Note that all of the following symptoms may not be present.

  1. Acute sinusitis of behind the eyes sinus (Ethmoid sinusitis)
    1. Nasal congestion with discharge
    2. Mucus drips down the throat behind the nose
    3. Pain or pressure around the inner corner of the eye or
    4. Pain or pressure on one side of the nose
    5. Headache in the temple or surrounding the eye
    6. Fever

    The pain or pressure increases when coughing or lying on the back.

  2. Acute sinusitis of behind the cheek bones (Maxillary sinusitis)
    1. Nasal congestion with discharge
    2. Mucus drips down the throat behind the nose
    3. Pain or pressure on the cheekbone, under the eye
    4. Pain or pressure around the upper teeth
    5. Red or swollen cheekbone
    6. Fever

    The pain or pressure increases with the head upright or bending forward.

  3. Symptoms of Acute sinusitis of behind the forehead (Frontal sinusitis)
    1. Severe headache in the forehead
    2. Nasal congestion with discharge
    3. Mucus drips down the throat behind the nose
    4. Fever

    The pain increases with the head reclining.

  4. Symptoms of Acute sinusitis of behind the eyes (Sphenoid sinusitis)
    1. Severe headache across the forehead and behind the eyes
    2. Double vision or vision disturbances if pressure extends into the brain
    3. Nasal congestion with discharge
    4. Mucus drips down the throat behind the nose
    5. Fever

    The pain increases when bending forward or lying on the back.

Chronic Sinusitis

Fever is common symptom. Note that all of the following symptoms may not be present.

  1. Symptoms of Chronic sinusitis of behind the eyes sinus (Ethmoid sinusitis)
    1. Chronic nasal discharge
    2. Chronic sore throat
    3. Some discomfort or pressure across the bridge of the nose

    The pain increases in morning or when wearing glasses.

  2. Symptoms of Chronic sinusitis of behind the cheek bones (Maxillary sinusitis)
    1. Chronic toothache
    2. Discomfort or pressure below the eyes
    3. Discomfort throughout the day with increased cough at night
  3. Symptoms of Chronic sinusitis of behind the forehead (Frontal sinusitis)
    Persistent mild headache in the forehead
  4. Symptoms of Chronic sinusitis of behind the eyes (Sphenoid sinusitis)
    Mild headache







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Disclaimer: Please note that the home remedies are only for minor common symptoms and should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. You should not rely on these remedies. Always consult your Doctor for diagnosis and treatment of medical conditions. You should also avoid using any of these remedies if you are allergic to any of the ingredients. The writer of this article or fatfreekitchen.com is not responsible in any manner.




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