how long are you contagious when you have a sinus infection?
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How Long Is It Contagious? If a virus is to blame, you may have been contagious days before you got the sinus infection. Most viruses can be spread for just a few days, but sometimes you could pass it on for a week or more.
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(Reuters Health) - Most people prescribed antibiotics for sinus infections are on treatment courses of 10 days or longer even though infectious disease doctors recommend five to seven days for uncomplicated cases, a U.S. study suggests.
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Colds can lead to sinus infections when the sinuses swell up. Air, mucus, and bacteria can become trapped in the swollen sinuses and cause further infection. The main difference between a cold and a sinus infection is the duration of symptoms. Most people recover from a cold in 5 to 10 days.
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If you've been exposed to the bacteria, you can be contagious a few days before symptoms start. If you're treated with antibiotics, you'll remain contagious until you've been on antibiotics for at least 24 hours. If you don't seek treatment, you'll remain contagious for 2 to 3 weeks after contracting the infection.
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Sinus infections caused by bacteria or allergies are not contagious. However, if your infection is caused by a virus, then it likely is contagious. Viruses can be spread from person to person, or even in the air through coughing or sneezing.
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People infected with norovirus are contagious from the moment they begin feeling ill to at least 3 days after recovery. Some people may be contagious for as long as 2 weeks after recovery.
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You're contagious from about 6 days after the start of cold-like symptoms to 3 weeks after the coughing starts. If you start antibiotics within 3 weeks of starting to cough, it will reduce the time you're contagious for.
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The contagious period If you're treated with antibiotics, you'll remain contagious until you've been on antibiotics for at least 24 hours. If you don't seek treatment, you'll remain contagious for 2 to 3 weeks after contracting the infection.
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The takeaway 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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Are sinus infections contagious? If your sinus infection is caused by a virus, it's possible to spread that virus to another person. This could cause them to develop a cold, which could then develop into a sinus infection.
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People infected with a norovirus are contagious from the moment they begin feeling ill to at least three days after recovery. Some people may be contagious for as long as two weeks after recovery.
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For colds, most individuals become contagious about a day before cold symptoms develop and remain contagious for about five to seven days. Some children may pass the flu viruses for longer than seven days (occasionally for two weeks). Colds are considered upper respiratory infections.
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Viruses cause most sinus infections. If a virus causes your sinus infection, then it can be contagious. Spreading the virus to another person doesn't guarantee that person will get a sinus infection. In most cases, they may only develop a cold.
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Even without antibiotics, most people can fight off a bacterial infection, especially if symptoms are mild. About 70 percent of the time, symptoms of acute bacterial sinus infections go away within two weeks without antibiotics.
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Cold symptoms usually start 2 or 3 days after a person has been exposed to the virus. People with colds are most contagious for the first 3 or 4 days after the symptoms begin and can be contagious for up to 3 weeks. Although some colds can linger for as long as 2 weeks, most clear up within a week.
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Cold symptoms are usually at their worst within a few days after the infection sets in, and then they usually start to subside within 7 to 10 days. Sinus infection symptoms may last twice as long or much longer, especially without treatment.
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About a week. Typically, you're contagious from 1 day before you have any symptoms. You stay that way for 5 to 7 days after you start feeling sick. The virus can be spread until symptoms disappear.