Sore Throat (cont.)
Sore Throat Causes
A sore throat can have many causes including:
Common viruses, including the viruses that cause mononucleosis (mono) and the flu. Some viruses can also produce blisters in the mouth and throat ("aphthous stomatitis").
Infection of the tonsils or adenoids.
Breathing through the mouth or smoking can produce throat dryness and soreness.
Gastroesophageal reflux disease (GERD) while lying down or sleeping.
Sinus drainage (post-nasal drip) from allergic or chronic sinusitis.
Bacterial infections. The two most common bacteria to cause a 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.
Sore throat appearing after treatment with antibiotics, chemotherapy, or other immune-compromising medications may be due to the yeast Candida, commonly known as "thrush."
A sore throat lasting for more than two weeks can be a sign of a serious illness, such as throat cancer or AIDS.
Medically Reviewed by a Doctor on 11/13/2014
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