are boils contagious if not open?
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On their own, boils are not contagious. However, the infection inside a boil can be contagious if it is caused by a staph bacteria. If you or someone close to you has a boil that is actively leaking pus, you should cover it — or encourage them to keep the abscess covered — with a clean bandage.
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Some bacterial conditions themselves aren't contagious, but the bacteria that can potentially cause them are contagious. For example, the Staphylococcus bacteria itself can be transmitted from person to person through direct skin-to-skin contact, including through contact with fluids or pus from an infected wound.
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“Most people are contagious with a cold a day before they notice symptoms until about a week after the onset of symptoms,” Pittman said. “The CDC's recommendation is to stay home until you are fever free for 24 hours without the help of a fever reducer.”
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It is important to know that even if you don't have a fever, you may have flu and be contagious if you get flu symptoms.
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Abscesses are not contagious, but the bacteria that cause them can spread from person to person and can cause other types of infections. Anyone who touches a boil that is draining pus should wash their hands, and cloths or towels that have touched an open or draining boil or carbuncle should not be shared.
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It may spread infection and make the boil worse. Your boil may contain bacteria that could be dangerous if not properly treated. If your boil is painful or isn't healing, have it checked by your doctor. They may need to surgically open and drain the boil and prescribe antibiotics.
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Cold sores are highly contagious from the time the first symptom appears. This is usually 1–2 days before the sore becomes visible. Sores remain highly contagious until the skin completely heals. This can take up to 15 days.
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For example, a healthy child who shares a cup with a child who has roseola could contract the virus. Roseola is contagious even if no rash is present. That means the condition can spread while an infected child has only a fever, even before it's clear that the child has roseola.
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Does no fever mean not contagious? Unfortunately, fever & contagiousness are unrelated. Some contagious illnesses - such as the common cold - may never cause a fever, while others will take a while for a fever to show up. Viruses, with or without a fever, tend to be contagious.
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Touching skin-to-skin can spread staph from one person to another. Staph can be picked up from surfaces that are often touched, like phones or doorknobs. Sometimes shared personal items, like towels, soap, or sports equipment can spread staph. Pus from an abscess is especially contagious on skin or surfaces.
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HSV-1 is most contagious during an outbreak of symptomatic oral herpes, but can also be transmitted when no symptoms are felt or visible. People with active symptoms of oral herpes should avoid oral contact with others and sharing objects that have contact with saliva.
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It is possible you or your child may be contagious for several weeks after the blisters and sores have healed because the virus may remain in the feces. To help reduce the spread of hand, foot and mouth disease, wash hands often with soap and warm water.
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Dating when you have a cold sore can embarrassing. But embarrassment shouldn't stop you from telling a sexual partner if you feel one coming on or there is one hidden behind your lip. Even if you're on the mend, cold sores are highly contagious and may do more than just transmit the infection to your partner.
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“You could feel perfect and still be shedding virus,” says Doomun. “But you can significantly reduce the risk of being contagious by waiting to return until you've gone 24 to 36 hours without a fever with no medicines on board.
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Boils and carbuncles are often caused by a type of bacteria called Staphylococcus aureus (staph bacteria) that infects 1 or more hair follicles. Staph bacteria usually live harmlessly on the surface of the skin or in the lining of the nose. You can get a boil when bacteria enter the skin through cuts and grazes.
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You are most contagious for two weeks after the cold sore initially appears, but because the virus lives in the body forever, it is always transmittable to others. If you are experiencing a breakout, it is important to avoid close contact with others.
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Many people believe cold sores are no longer contagious once they've scabbed over, but this isn't true. You are most contagious for two weeks after the cold sore initially appears, but because the virus lives in the body forever, it is always transmittable to others.