These two photos show reddened throats without exudate. In A, redness and vascularity of the pillars and uvula are mild to moderate. In B, redness is diffuse and intense. Each patient would probably complain of a sore throat, or at least a scratchy one. Possible causes include several kinds of viruses and bacteria. If the patient has no fever, exudate, or enlargement of cervical lymph nodes, the chances of infection by either of two common and important causes—-¿¡roup A streptococci and Epstein-Barr virus (infectious mononucleosis)—are very small.
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If you suffer with asthma, you will no doubt be familiar with the uncomfortable sensations as your bronchial tubes begin to narrow and your muscles around them start to tighten. A sticky mucus known as phlegm begins to produce and increase within your bronchial tubes and you begin to wheeze, cough and struggle to breathe.