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One of the most common causes is Staphylococcus aureus and often follows a recent viral upper respiratory infection. Bacterial tracheitis is a rare complication of influenza infection. [ 4 ] It is the most serious in young children, possibly because of the relatively small size of the trachea that gets easily blocked by swelling.
A peritonsillar abscess (PTA), also known as a quinsy, is an accumulation of pus due to an infection behind the tonsil. [2] Symptoms include fever, throat pain, trouble opening the mouth, and a change to the voice. [1] Pain is usually worse on one side. [1] Complications may include blockage of the airway or aspiration pneumonitis. [1]
An upper respiratory tract infection (URTI) is an illness caused by an acute infection, which involves the upper respiratory tract, including the nose, sinuses, pharynx, larynx or trachea. [ 3 ] [ 4 ] This commonly includes nasal obstruction, sore throat, tonsillitis , pharyngitis , laryngitis , sinusitis , otitis media , and the common cold .
In cases that progress beyond a throat infection, diphtheria toxin spreads through the blood, and can lead to potentially life-threatening complications that affect other organs, such as the heart and kidneys. Damage to the heart caused by the toxin affects the heart's ability to pump blood, or the kidneys' ability to clear wastes.
Pharyngitis is inflammation of the back of the throat, known as the pharynx. [2] It typically results in a sore throat and fever. [2] Other symptoms may include a runny nose, cough, headache, difficulty swallowing, swollen lymph nodes, and a hoarse voice.
“For acute inflammation, you want to treat the underlying infection or injury,” says Dr. Dolansky. “Chronic inflammation requires treatment of the underlying chronic medical conditions.”
Streptococcal pharyngitis, also known as streptococcal sore throat (strep throat), is pharyngitis (an infection of the pharynx, the back of the throat) caused by Streptococcus pyogenes, a gram-positive, group A streptococcus. [9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front
Vincent's angina (also termed Plaut–Vincent's angina), [1] [2] is pharyngitis (inflammation of the pharynx) and tonsillitis (inflammation of the palatine tonsils), caused by infection with two types of bacteria called fusiform (Fusobacterium spp.) [3] and spirochaetes (Borrelia spp. [3] and Spirillum spp.). [4]