are all sore throats contagious?
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Are Sore Throats Contagious and for How Long? If you or your child has a sore throat caused by a virus or bacteria, it's contagious. On the other hand, sore throats caused by allergies or other environmental factors aren't contagious. Viruses cause most sore throats, such as those that cause the common cold or flu.
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Viral Infections Include colds, flu, croup, laryngitis, chest colds (bronchitis) and most sore throats. Are more contagious than bacterial infections. (If more than one person in the family has the same illness, odds are it is a viral infection.)
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['Colds, the flu, and other viral infections.', 'Strep throat and other bacterial infections. Bacterial infections can also cause sore throats. ... ', 'Allergies. ... ', 'Dry air. ... ', 'Smoke, chemicals, and other irritants. ... ', 'Injury. ... ', 'Gastroesophageal reflux disease (GERD) ... ', 'Tumor.']
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A sore throat may be an indication of chlamydia, gonorrhea, syphilis, or herpes. All of these diseases may cause pharyngeal or throat infections following oral sex. A sore throat is usually seen as just a mild annoyance, but it's nothing to be taken lightly.
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You're typically contagious one to two days before symptoms develop and may remain contagious until your symptoms go away. If you or your child is diagnosed with bacterial tonsillitis, you're usually not contagious when your fever is gone and you have been on antibiotics for 24 hours.
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Strep throat, or streptococcal pharyngitis, is a contagious disease. The bacteria Streptococcus pyogenes causes it. It's most common in infants and children, but it frequently occurs in teenagers and adults as well. It causes white streaks or spots in the throat.
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If you or your child has a sore throat from the common cold, you'll be infectious from a couple of days before you notice symptoms until 2 weeks afterward. You're most likely to spread the virus in the first 2 or 3 days.
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Many oral infections are not contagious because bacteria that exist naturally in every person's mouth cause them. However, herpangina (her-pan-JY-na) and recurrent herpes labialis (HER-peez lay-be-AL-us) are contagious and spread through contact with fluid from an infected person's mouth and nose.
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Is an upper respiratory infection contagious? A majority of upper respiratory infections are due to self-limited viral infections. Occasionally, bacterial infections may cause upper respiratory infections.
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Unlike cold sores, canker sores don't occur on the external surface of your lips (outside the mouth). "Even though canker sores and cold sores can have the same triggers, canker sores are not contagious," says Dr. Varinthrej Pitis. "There is no virus or bacteria associated with them.
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Cold sores are caused by the herpes simplex virus type 1 (HSV-1). HSV-1 is very contagious. You can spread the virus even when you don't have any symptoms of a cold sore, though you're usually most contagious when you have them. However, this is much less likely than if contact occurred when a cold sore was present.
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"Even though canker sores and cold sores can have the same triggers, canker sores are not contagious," says Dr. Varinthrej Pitis. "There is no virus or bacteria associated with them. They tend to go away on their own within 10 days, and they're not life-threatening."
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First Aid: Sore Throat. Sore throats are common at any age and can be one of the first signs of another illness, like a cold, the flu, or mononucleosis (mono). They also can be caused by a strep throat infection, although this is rare in children younger than 2 years old.
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A cough itself is not contagious. Of note, a cough can be a sign of something irritating, impeding, or blocking an airway. But a cough also can be a method of spreading a viral or bacterial infectious disease if the disease is transmitted by airborne droplets.
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Sore throats caused by viruses and bacteria are contagious. The germs can remain on your hands, surfaces, and in the air sometimes for hours or days, depending on the particular virus or bacterium. Sore throats caused by an allergy or other environmental factor aren't contagious.
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Strep throat is a common type of sore throat in children, but it's not very common in adults. 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.
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The cause of strep throat is bacteria known as Streptococcus pyogenes, also known as group A streptococcus. Streptococcal bacteria are highly contagious. They can spread through airborne droplets when someone with the infection coughs or sneezes, or through shared food or drinks.