The sinuses are air-filled cavities inside the bones of the skull. When these become infected (sinusitis), you’re likely to experience a blocked nose, a post-nasal drip and, possibly, headache.
Sinusitis refers to inflammation of the paranasal sinuses
It affects about 30% of the population at some point
Allergic rhinitis (hay fever) and viral infections are common causes
It’s important to treat a sinus infection as soon as it starts
Dr Gary Kroukamp MBCHB, FCORL(SA) is an ENT Specialist, practising from rooms at Kingsbury Hospital in Claremont, Cape Town Ask a question
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