Hi Gargi,
Some more detailed information about sore throats:
Many common viruses, and even the viruses that cause mononucleosis (mono) and the flu, can cause a sore throat. Some of the viruses that cause a sore throat can produce blisters in the mouth and throat ("aphthous stomatitis"
.
Breathing through the mouth can produce throat dryness and soreness.
Sinus drainage may cause a sore throat.
A sore throat can also be caused by bacteria. The two most common bacteria to cause as sore throat are Streptococcus (which causes strep throat) and Arcanobacterium haemolyticum. Arcanobacterium causes sore throats mainly in young adults and is sometimes associated with a fine red rash.
A sore throat that lasts for more than 2 weeks can be a sign of a serious illness, such as throat cancer or AIDS.
It is mildly contagious, but simple preventive measures can be taken to avoid it:
Clean your hands frequently, especially before eating. This is a powerful way to help prevent many sore throat infections. You might avoid some sore throats by reducing contact with people with sore throats, but often these people are contagious even before they have symptoms, so this approach is less effective.
A cool mist vaporizer or humidifier can prevent some sore throats caused by breathing dry air with an open mouth.
Hope this information covers your question.
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