We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Pain in the throat is one of the most common symptoms. Most sore throats are caused by infections, or by environmental factors like dry air. Sometimes, white patches or areas of pus will form on the tonsils.
Worried your sore throat may be strep throat? Doctors can do a quick test to see if a sore throat is strep throat. If so, antibiotics can help you feel better faster and prevent spreading it to others. Viruses are the most common cause of a sore throat. However, strep throat is an infection in the throat and tonsils caused by bacteria called group A Streptococcus group A strep.
Throat infections are usually caused by a virus but may be caused by bacteria such as streptococcal bacteria. The tonsils contain lymphoid tissue that is part of the body's immune defense system. Thus, the tonsils and nearby throat tissue frequently become infected by organisms that enter the nose and throat. Throat infections are usually caused by a virus. Most often, it is one of the viruses that cause the common cold, such as rhinovirus, adenovirus, influenza virus, or respiratory syncytial virus.
Streptococcal pharyngitis , also known as strep throat , is an infection of the back of the throat including the tonsils caused by group A streptococcus GAS. Strep throat is spread by respiratory droplets from an infected person. Prevention is by washing hands and not sharing eating utensils.