Sinusitis

Sinusitis is an inflammation of the sinuses, which occurs due to allergy or viral infections, bacterial or fungal. Sinusitis can occur in one of the four existing sinus  (maksilaris, etmoidalis, frontal or sfenoidalis).

The cause of acute sinusitis:
• Viral infections.
Acute sinusitis can occur after a viral infection, in the upper respiratory tract (eg colds).
• Bacteria.
In the human body there are several types of bacteria that normally does not cause disease, (eg Streptococcus pneumoniae, Haemophilus influenzae).
If the body’s defense system decreases or the drainage of sinus congestion due to colds or other viral infections, the bacteria that were not harmful to reproduce and infiltrate into the sinuses, causing an acute sinus infection.

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