The Eyes & Sinus Infections

Sinusitis, or a sinus infection, is a common medical condition that affects 10 million to 15 million people each year, notes the Merck Manual Home Health Handbook. Characterized by pain or pressure between the eyes and around the forehead and nose, the condition can last weeks or months. While most infections disappear on their own, in severe cases, a sinus infection can cause life-threatening disease and vision loss, warns Dr. Jay M. Dutton of the American Rhinologic Society.

Young business woman with her hands on her face in pain. (Image: KatarzynaBialasiewicz/iStock/Getty Images)


A sinus infection occurs when sinuses -- empty cavities behind your cheeks, nose and around your eyes -- become swollen, preventing mucus from properly draining into the nasal passages, according to the Centers for Disease Control and Prevention. A bacterial infection from an upper respiratory tract infection, which often begins as a cold, is the most frequent cause of a sinus infection. Other causes include allergies, fungal infections, pollutants and a blockage or abnormality in the nasal passage.


There are four types of sinusitis — acute, sub-acute, chronic or recurrent. Acute sinusitis may last up to four weeks, while sub-acute may last four to 12 weeks and chronic may last three months or longer, according to MedlinePlus. Three or more episodes of a sinus infection every year is known as recurrent sinusitis, the American Academy of Allergy Asthma and Immunology adds.


An infection in the sinuses between the eyes and on either side of the nasal cavity, results in pain behind and between the eyes, a telltale sign of sinusitis, the Merck Manual Home Health Handbook notes. Accompanying this pain is often tearing and a headache over the forehead. Similarly, an infection of the sinuses in the cheekbones can also cause pain just below the eyes as well as a headache and toothache.


Various medical options are available to treat a sinus infection, depending on its cause and severity. Your doctor may prescribe a decongestant to help drain the sinuses and relieve pressure, a mucus-thinning medication, or a steroid nasal spray to reduce swelling to open the nasal passages, the American Academy of Allergy Asthma and Immunology notes. If you are suffering from severe swelling around your eyes, your doctor may prescribe an antibiotic. Other treatments include an antifungal medicine, or surgery if a nasal abnormality is the cause.


Avoid contact with people suffering from a cold and wash hands frequently to reduce your chances of developing an upper respiratory tract infection. Maintain a diet rich in fruits and vegetables to boost your immune system and drink plenty of fluids. Avoid smoke and pollutants, and use a humidifier to keep air moist.


An infection of the sinuses above or below and between and behind the eyes can cause the infection to spread to the eye, resulting in complications ranging from swelling of the eyelid and an infection of the tissue surrounding the eye, to vision loss and even blindness, note and the American Rhinologic Society. Additional complications of a sinus infection include asthma attacks, ear infection, loss of taste and smell, a bone infection called osteomyelitis, and, in severe cases, meningitis, a life-threatening condition that causes swelling in the tissue around the brain and spinal cord.

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