Sinus Infections: Types, Symptoms, & Treatment
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Let's see if we can figure out what's causing your sinusitis.
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What causes sinusitis? 2 possible conditions

A sinus infection, or sinusitis, is a common condition that affects 31 million people in the United States each year. The infection occurs when your sinuses and nasal passages become inflamed. The sinuses are small air pockets located behind your forehead,... Read more

See a list of possible causes in order from the most common to the least.

1

Allergic Rhinitis

Allergic rhinitis, or hay fever, is your body's response to specific allergens. It causes uncomfortable symptoms like sneezing and itchy eyes.

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2

Absence of Gamma Globulin in Blood

Agammaglobulinemia is an inherited immune system disorder in which the body is unable to produce antibodies.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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