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WebMD describes chronic sinusitis as a condition of sinus inflammation lasting eight weeks or longer. Sinus inflammation occurs when the sinuses are blocked with fluid and become infected with bacteria, viruses or fungi. More »

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A sinus infection, or sinusitis, refers to inflamed or swollen tissue that lines the sinuses, explains WebMD. An infection in the sinuses typically occur when fluid or germs, such as bacteria, viruses and fungi, obstruct... More »

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Symptoms of chronic sinusitis include nasal blockage, colored nasal discharge, drainage of a thick discharge down the throat, and diminished sense of taste or smell, explains Mayo Clinic. Additional symptoms include swel... More »

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Chronic bronchiectasis is a progressive respiratory condition in which the tissue walls of the bronchial tubes become inflamed or scarred, causing the airways to widen abnormally, according to MedicineNet. The condition ... More »

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Chronic prostatitis is a condition where the prostate gland in men becomes inflamed and the inflammation does not go away or comes back frequently, according to WebMD. Chronic prostatitis comes in two different types: ch... More »

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Symptoms of chronic Epstein-Barr virus can take four to six weeks to develop and often include fever, a sore throat, a rash, swollen glands in the neck, weakness and sore muscles, according to WebMD. Patients also experi... More »

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Chronic nerve pain, or chronic neuropathic pain, is a medical condition that occurs when nerves become damaged or injured, causing pain that persists for a long time, according to WebMD. The condition is caused by diseas... More »

www.reference.com Health Conditions & Diseases