What causes sore throat?

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A sore throat can be caused by a number of things. A sore throat may be caused by an inflammation of the throat tissue due to viruses or bacteria. Breathing through the mouth makes the throat dry and sore. Other factors, such as low humidity, smoking, air pollution, yelling and noxious fumes, can cause a sore throat. A sore throat also can be a symptom of heartburn or indigestion, caused by stomach acid working its way into the esophagus and irritating the throat lining. Sinus drainage from allergies or the common cold is yet another cause of a sore throat.

Continue Learning about Viral Throat Infections

Viral Throat Infections

Viral Throat Infections

Aside from strep throat, most sore throats caused by are contagious, viral throat infections that cannot be treated with antibiotics. The most common culprits of a viral throat infection include coxsackievirus, mononucleosis, and ...

the flu. Mononucleosis (mono) is a virus that causes symptoms that can last for weeks or months at a time. Viral throat infections are best treated with rest, liquids and other home remedies. If the sore throat causes you to have trouble breathing or a high fever, or results in spots in the back of your throat, call your doctor.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.