Can adults get hand, foot, and mouth?

Last updated September 3, 2026.

Yes: adults catch hand, foot, and mouth, usually from their own kids, and it is typically milder in adults, sometimes silent, but still contagious. The CDC notes anyone can get it; childhood exposure leaves many adults partially immune, which is why adult cases range from the classic fever, mouth sores, and hand-foot rash to a couple of off days or nothing at all. Adult-specific notes: mouth sores can make eating genuinely painful (cold drinks and acetaminophen or ibuprofen help), the rash can appear on the buttocks too, and nail changes or shedding a few weeks later are a documented oddity that regrows. Adults are contagious while symptomatic and shed virus in stool for weeks, so the hygiene rules are the same as for kids: handwashing after bathroom and diaper duty, no shared towels or utensils. Recovery runs 7 to 10 days with no treatment beyond comfort care.

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