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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 of the neck.
Strep throat, a bacterial infection, is the cause in about 25% of children and 10% of adults. [2] Uncommon causes include other bacteria such as gonococcus, fungi, irritants such as smoke, allergies, and gastroesophageal reflux disease. [2] [4] Specific testing is not recommended in people who have clear symptoms of a viral infection, such as a ...
Beyond the pain and discomfort associated with strep throat, one of the most frustrating aspects of the infection is that, to many people, it looks very similar to a sore throat. This is one ...
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 .
Within the tonsils, white blood cells of the immune system destroy the viruses or bacteria by producing inflammatory cytokines like phospholipase A2, [non-primary source needed] [27] which also lead to fever. [28] [29] The infection may also be present in the throat and surrounding areas, causing inflammation of the pharynx. [1] [30]
Chains of S. pyogenes bacteria (orange) at 900× magnification Gram stain of Streptococcus pyogenes. Unlike most bacterial pathogens, S. pyogenes only infects humans. Thus, zoonotic transmission from an animal (or animal products) to a human is rare. [8] S. pyogenes typically colonizes the throat, genital mucosa, rectum, and skin. Of healthy ...
This medicine does not effectively treat a viral infection like sore throats, influenza, bronchitis, sinusitis and common respiratory tract infections. [15] [16] This is because antibiotics were developed to target features of bacteria that are not present in viruses, and so antibiotics are ineffective as antiviral agents. [17] [18]
Xylorimba, range C3-C8 The xylorimba (sometimes referred to as xylo-marimba or marimba-xylophone ) is a pitched percussion instrument similar to an extended-range xylophone with a range identical to some 5-octave celestas or 5-octave marimbas , though typically an octave higher than the latter.