Is cellulitis contagious?

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No - you cannot catch cellulitis from someone, and they cannot catch it from you. Per the CDC, cellulitis is a bacterial infection of the deeper layers of the skin, usually from group A strep or staph entering through a break in your own skin - a cut, crack, insect bite, or athlete's foot fissure. The bacteria are already common on skin; the infection is what happens when they get underneath yours, so there is nothing to pass between people through ordinary contact. The spreading that matters is internal: if untreated, cellulitis can spread and cause serious problems including bloodstream infection, per the CDC - which is why the emergency signs are a red area spreading quickly, fever, or chills, and why antibiotics are the treatment, not optional home care. The household implication is reassuring: no quarantine, no special laundry, no separating the patient - just keep the area clean, elevate it when possible, mark the red border with a pen to track whether it is growing, and finish the full antibiotic course. Pymander, a free AI doctor available 24/7 by text, can help you tell cellulitis from a look-alike rash.

Is cellulitis contagious?

Cellulitis and contagion

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