What is Catarrh?
'''Catarrh''' ({{pronEng|kəˈtɑ:(r)}}) is a thick fluid of [[mucus]] and [[Granulocyte|white blood cells]] caused by the swelling of the [[mucous membrane]]s in the [[head]] because of an infection. It is a [[symptom]] usually from the [[common cold]] and [[cough]]s, but can also be found in people with infections of the [[adenoid]]s, [[otitis media|middle ear]], [[sinusitis|sinus]] or [[tonsilitis|tonsils]]. {{biology-stub}} [[Category:Breathing problems]]