| || | Strep throat is an infection of the back of the throat
caused by specific bacteria called Group A Streptococcus.
InteliHealth Medical Content What is this? "Strep throat," also
known as strep pharyngitis, is an infection of the back of the
throat (pharynx) caused by specific bacteria called Group A
Streptococcus (strep). The tonsils often are involved as well
and this condition then sometimes is called tonsillitis. As the
throat becomes more red and irritated, it becomes very sore. In
addition, strep infections may cause fever, headache, swollen
glands in the neck, belly (abdominal) pain, vomiting and a red
rash known as scarlet fever. Strep throat can occur in any age
child at any time of the year, but most commonly it is seen in
school-aged children and adolescents during the winter and early
spring. In some patients, who usually have not been treated,
strep throat may lead to ear infections (otitis media), sinus
infections (sinusitis), or collections of pus (abscesses) around
the tonsils or in the l